The Engineering Projects

TDA7294 Power Amplifier Datasheet, Pinout, Features & Applications

Hi Guys! Hope you’re well today. I welcome you on board. In this post today, I’ll walk you through the Introduction to TDA7294. TDA7294 is a monolithic class AB power-based audio amplifier that comes with a DMOS output stage. It is primarily used for the amplification of audio signals in Hi-Fi field applications containing self-powered loudspeakers. The fault protection circuitry used in this device protects against short circuits. I suggest you read this post all the way through, as I’ll detail the complete introduction to TDA7294 covering datasheet, pinout, features, and applications. Let’s get started.

Introduction to TDA7294

• TDA7294 is a monolithic class AB power-based audio amplifier that comes with a DMOS output stage.
• This device comes with a wide voltage supply range and can drive loads of 4V to 8V.

• This chip comes in multi-watt 15V and 15H packages and offers protection against thermal shutdown.
• It is widely used in the amplification of audio signals in Hi-Fi field applications.
• The high-power loudspeakers incorporate this chip for producing the perfect bass sound.
• You can attach this device with a heat sink and it is capable of generating an output power of around 100 watts.

• Producing audio signals with high efficiency and high power is the main goal of this amplifier.
• This chip comes with standby and mute functions with the main aim of removing the noises generated as a result of switching.

TDA7294 Datasheet

Before you incorporate this device into your project, it’s wise to have a look at the datasheet of the component that details the main characteristics of the device. Click the link below to download the datasheet of TDA7294.

TDA7294 Pinout

The following figure shows the pinout diagram of TDA7294.

TDA7294 Pin Description

Hope you’ve got a brief idea about this device. In this section, we’ll cover the pin description of each pin incorporated on the chip.

Pin - 01: Stand-by-GND

This is an output pin that is attached to the ground.

Pin - 02, 03: Inverting input, Non-inverting input

These are the audio amplifier input pins.

Pin - 04: SVR

SVR stands for supply voltage rejection pin that is mainly used to remove the noise from the output signal.

Pin - 05, 11, 12: NC

These are non-connected pins.

Pin - 06: Bootstrap

The bootstrap pin is mainly employed to boost the output swing with a capacitor attached to this pin.

Pin - 07, 08: -, +

We will attach these pins to the positive and negative leads of the voltage supply.

Pin - 09: Stand by

This pin is used to run output in a low current mode.

Pin - 10: Mute

It is mainly employed to disable the output signal.

Pin - 13: 15: -, + Power supply

These pins represent the power supply terminals.

Pin - 14: Out

This is an output pin that offers an amplified audio signal.

TDA7294 Features

The following are the main features of TDA7294.

• Contains high operating voltage range of +40V to -40V
• Low distortion and low noise.
• Comes with a DMOS output stage.

• The threshold voltage for Standby OFF is 3.5V and standby ON is 1.5V.
• High power output around 100W.
• Maximum peak output current = 10A.
• Features built-in protection circuitry against thermal shutdown and short circuit.
• Additional functions include mute and stand-by.
• Open-loop gain = 80dB.

TDA7294 Equivalents

The following are the equivalents to the TDA7294.

• TDA2030
• LM386
• LM3886
• LM4871
• TDA2040
• TDA7293
• TDA7295

While working with these equivalents, double-check the pinout of these alternatives, as the pinout of these alternatives might differ from the pinout of TDA7294.

TDA7294 Applications

TDA7294 is employed in the following applications:

• Radio & TV
• Self-powered loudspeakers
• Bridge circuits
• Subwoofers and home stereo systems

That’s all for today. Hope you’ve got a brief insight into the Introduction to TDA7294. If you’re unsure or have any questions, you can approach me in the section below, I’d love to help you the best way I can. Feel free to share your valuable feedback and suggestions around the content we share so we keep coming back with quality content tailored to your exact needs and requirements. Thank you for reading the article.

TDA2030 Audio Amplifier, Datasheet, Pinout, Features & Applications

Hi Folks! I welcome you on board. Happy to see you around. In this post today, I’ll detail the Introduction to TDA2030. This device incorporates a TDA2030 audio amplifier chip that produces 18 W output power with low harmonic distortion.

I suggest you read this post till the end as I’ll walk you through the complete Introduction to TDA2030 covering pinout, datasheet, features, and applications. Let’s get started.

Introduction to TDA2030

• TDA2030 is a monolithic integrated circuit that comes in a Pentawatt package, mainly used as a low-frequency class AB amplifier.
• The audio amplifier is a basic circuitry used to amplify the audio signal obtained through a device like a microphone.

• Audio amplifiers are widely used in scores of applications including Hi-fi devices, Radio wave transmitters, talking toys, Home audio systems, Robots, and as an acoustic weapon for military operation purposes.
• The main purpose of an amplifier is to convert an electrical signal into an acoustic signal. Any circuit containing an audio signal contains an audio amplifier at the output and the input.
• The TDA 2030 can generate 14W output power (d = 0.5%) at 14V/4O at ± 14V or 28V, producing output power 8W on an 8O and 12W on a 4O load.
• This module comes with a wide supply voltage range of up to 36V.
• It operates on the single or split power supply and protection circuitry against short circuits and offers thermal shutdown.

• The short circuit protection settings automatically limit the dissipated power, keeping the output transistor operating point within a secure operating range.
• The TDA2030 offers high output current and carries very low crossover and harmonic distortion.
• It also features onboard terminal blocks for speakers and an onboard power indicator which indicates the operation of this device when power is provided to this module.
• This device offers storage and junction temperature ranges of -40 to 150 C.
• The differential input voltage is +-15V and the output peak current is 3.5A and power dissipation is 20W.

TDA2030 Datasheet

Before you apply this device to your project, it’s wise to scan through the datasheet of the component that highlights the main characteristics of the component. Click the link below and download the datasheet of TDA2030.

TDA2030 Pinout

The following figure shows the pinout diagram of TDA2030.

TDA2030 Features

An audio amplifier is generally developed in such a way that it takes input as the low strength audio signal and as a result, produces the output signal comprising high strength value. The following are the main features of TDA2030.

• Contains On-board power indicator
• 18 W mono amplifier circuit design
• Short-circuit protection to ground
• Operating Voltage Range = 6 V to 12 V
• Single or split power supply

• Main pins are routed to a standard pin header
• On-board TDA2030A audio amplifier chip
• Comes with On-board 10K potentiometer for volume adjustment
• Features On-board terminal blocks for speaker
• Module Size = 32 x 24 mm
• Wide-range supply voltage, up to 36 V
• Thermal shutdown

TDA2030 Applications

The following are the main applications of TDA2030.

• Used in Hi-fi devices
• Radio wave transmitter contains an audio amplifier
• Employed in Talking toys
• Used in home audio systems and robots
• An acoustic weapon for military operations

That was all about the Introduction to TDA2030. Hope you find this article helpful. If you have any questions, you can pop your comment in the section below. I’d love to help you the best way I can. Feel free to share your valuable suggestions and feedback around the content we share so we keep producing quality content customized to your exact needs and requirements. Thank you for reading the post.

Introduction to Arduino MKR GSM 1400

Hello Guys! I welcome you on board. Happy to see you around. In this post today, I’ll walk you through the Introduction to Arduino MKR GSM 1400. The Arduino MKR GSM 1400 is a microcontroller board that is based on the SAMD21 microcontroller. This device connects with a cellular network for developing communication. This GSM board is a one-stop solution for developing your sensor network or you can use it as a device sending a text message about the occurring of certain events remotely. A module from u-blox, the SARA-U201 (which is a power chipset that activates using multiple cellular range bands) is responsible for GSM / 3G connectivity inside the device. I recommend you read this post till the end as I’ll detail the complete Introduction to Arduino MKR GSM 1400 covering pinout, pin description, features, programming, and applications. Let’s get started.

Introduction to Arduino MKR GSM 1400

• The Arduino MKR GSM 1400 is a microcontroller board that is based on the SAMD21 Cortex®-M0+ 32bit low power ARM microcontroller.
• This device is mainly introduced for laying out the communication with cellular networks.

• Connecting Arduino with the GSM network is as easy as the program used for LED blinking. With this device, you can send or receive calls or messages and approach the different types of servers for exchanging data.
• The module comes with 8 digital I/O pins while the number of analog pins are 7 and the pins used as PWM pins are 13.

• The board supports UART serial communication protocol. Other communication protocols include SPI and I2C communication protocol.
• The USB port is incorporated in the device which is used for sending the number of instructions from the computer using Arduino IDE software.
• The internal flash memory is 256KB and the SRAM is 32KB. There is no EEPROM present inside the device. The Arduino program (sketch) is stored in the flash memory while SRAM is responsible for producing and manipulating variables when it runs.
• The clock frequency is 32.768 kHz (RTC), 48 MHz… which is responsible for the synchronization of all internal functions.

Arduino MKR GSM 1400 Pinout

The following figure represents the pinout diagram of Arduino MKR GSM 1400.

Arduino MKR GSM 1400 Pin Description

Hope you’ve got a brief overview of this GSM device. In this section, we’ll detail the pin description of each pin available on the device. Let’s get started.

Analog Pins

There are 7 analog pins available on the board. These pins can receive any number of value in opposed to digital pins that receive only two values HIGH and LOW.

Digital Pins

There are 8 digital pins incorporated on the board which you can use as an input or output based on the requirement. These pins get two values HIGH or LOW. When the pins receive 5V they are in a HIGH state and when these pins receive 0V, they are in a LOW state.

PWM Pins

There are 13 PWM pins on the board. These pins produce analog results through digital means.

SPI Pins

The board supports SPI (serial peripheral interface) communication protocol that ensures the communication between controllers and other peripheral devices like shift registers or sensors. It contains two pins… MISO (master input slave output) and MOSI (master output slave input) are used for SPI communication.

UART

The board comes with a UART communication protocol that guarantees serial communication and comes with two pins Rx and Tx. The Rx is a receiving pin that receives the serial data and Tx is the transmission pin that is used to transmit the serial data.

Arduino MKR GSM 1400 Features

The following are the main features of Arduino MKR GSM 1400.

• Microcontroller = SAMD21
• Secure Element = ATECC508
• Radio module = u-blox SARA-U201
• Supported Battery = Li-Po Single Cell, 3.7V, 2500mAh Minimum
• Digital I/O Pins = 8
• Analog Pins = 7
• PWM Pins = 13
• Flash Memory = 256KB
• SRAM = 32KB
• EEPROM = no
• Circuit Operating Voltage = 3.3V
• Power Supply (USB/VIN) = 5V
• External Interrupts = 10
• DC Current per I/O Pin = 7 mA
• SPI = 1

• UART = 1
• I2C = 1
• SIM Card = MicroSIM (not included with the board)
• Working region = Global
• Carrier frequency = GSM 850 MHz, E-GSM 1900 MHz, DCS 1800 MHz, PCS 1900 MHz
• Clock Speed = 32.768 kHz (RTC), 48 MHz
• Full-Speed USB Device and embedded Host = 1
• LED_BUILTIN = 6
• Size = 25x67mm
• Weight = 32gr.

Programming

• This GSM board is programmed by Arduino IDE software which is specifically introduced by Arduino.cc to program the Arduino boards.
• The software comes with an LED blinking program which you can use to test the board if it’s operating properly.
• Connect your board with the computer using a USB cable and start playing with it. You can send the number of instructions to the board from the computer using Arduino IDE software.
• The board comes with a built-in Bootloader that is used to burn the program inside the microcontroller board. You don’t require an external burner to burn the program in the controller.

Arduino MKR GSM 1400 Applications

This device is mainly used in GSM cellular projects. The following are the main applications of Arduino MKR GSM 1400.

• Used in tracking projects
• Used in home automation
• Employed in GSM home alarm
• Employed in fire forest monitoring and detection
• Used to send messages to control LED color
• Used in 2-factor authentication for ATM project

That’s was all about the Introduction to Arduino MKR GSM 1400. If you’ve any questions, you can pop your comment in the section below. I’d love to help you the best way I can. You’re most welcome to share your valuable suggestions and feedback around the content we share so we keep coming back with quality content customized to your exact needs and requirements. Thank you for reading the article.

Introduction to Arduino UNO REV3

Hi Friends! Hope you’re well today. Happy to see you around. In this post, I’ll detail the Introduction to Arduino UNO REV3. Arduino Uno REV 3 is an Arduino board based on the microcontroller ATmega328P. It carries 14 digital I/O pins out of which 6 can be used as PWM outputs. Moreover, 6 analog input pins are available on the board and the clock frequency is 16MHz. Arduino UNO is one of the most used boards from the Arduino family. The robust and clean design helps you shape your ideas into reality. Know that Arduino UNO REV3 is an advanced version of Arduino UNO. The new version includes four solder pads JP2 attached with the pins PB4 to PB7 of the USB ATmega. Uno stands for one in Italian and this name was picked for the release of Arduino Software (IDE) 1.0. The version 1.0 of Arduino Software (IDE) and Uno board both are considered as the reference versions of Arduino, which evolved with time with new features. The UNO board is the first USB board from the Arduino family. Arduino is an open-source platform which means you can get a hold of Arduino boards and software and edit and modify them as per your requirements. Arduino IDE software is free to use for anyone, moreover, as you join this platform you can get help from the Arduino community. I suggest you read this post all the way through as I’ll detail the complete Introduction to Arduino UNO REV3 covering pinout, features, pin description, and applications. Let’s get started.

Introduction to Arduino UNO REV3

• Arduino Uno REV 3 is an Arduino board based on the microcontroller ATmega328P.
• It comes with 14 digital I/O pins out of which 6 can be used as PWM outputs.
• There are 6 analog input pins and the board’s clock frequency is 16MHz which is used for the synchronization of internal functions.
• Moreover, this board includes a power jack, USB connection, ICSP header, and reset button.

• In fact, it contains almost everything required to support the built-in controller. Simply plug this device with the computer using a USB cable or power it up with an AC-to-DC adopter or battery and start playing with it.
• The operating voltage is 5V while the input voltage ranges from 6 to 20 and the recommended input voltage ranges from 7 to 12V.

• Only 5 V is required to power up the board, which we can obtain using the USB port or external adopter, however, it can support an external power source up to 12 V which can be regulated and limit to 5 V or 3.3 V depending on the requirement of the project.
• Internal pull-up resistors are installed in the board that keeps the current under a certain limit. Know that too much increase in the current can make these resistors useless and can ultimately damage the entire project.
• The flash memory is 32KB while the EEPROM and SRAM are 1KB and 2KB respectively. The flash memory is the location where the Arduino program (sketch) is stored.
• While the SRAM is the memory used to produce and manipulates variables when it runs. The EEPROM is a non-volatile memory that keeps the code stored even when board power is removed.
• A reset pin is included in the board that resets the whole board when it is pressed and takes the running program to the initial stage. This pin comes in handy when the board hangs up in the middle of the running program, pressing this pin will clear everything up in the program and again runs the program from the beginning.
• This board carries a built-in regulation feature that keeps the voltage under control when the board is attached to the external device.

Arduino UNO REV3 Pinout

The following figure shows the pinout diagram of Arduino UNO REV3.

Arduino UNO REV3 Pin Description

Hope you’ve got a brief look into the Arduino UNO REV3. In this section, we’ll cover the pin description of each pin incorporated on the board.

Digital Pins

There are 14 digital pins incorporated on the board. You can use these pins as an input or output based on your requirement. These pins receive two values HIGH or LOW. When these pins receive 5V they are in the HIGH state and when they receive 0V they remain in a LOW state.

Analog Pins

There are 6 analog pins available on the board. These pins can receive any value compared to digital pins that only receive two values i.e HIGH or LOW

PWM Pins

Out of 14 digital I/O pins incorporated on the board, 6 are used as PWM pins. These pins generate an analog signal with digital means when these pins are activated.

SPI Pins

The board comes with an SPI communication protocol that is mainly used to maintain communication between the microcontroller and other peripheral devices like shift resistors and sensors. Two pins: MOSI (Master Output Slave Input) and MISO (Master Input Slave Output) are used for SPI communication between devices. These pins are employed to send or receive data by the controller.

I2C Pins

This is a two-wire communication protocol that comes with two pins called SDL and SCL. The SDL pin is a serial data pin that carries the data while SCL is a serial clock pin that is used for the synchronization of all data transfer over the I2C bus.

UART Pins

This board also supports UART serial communication protocol. It contains two pins Tx and Rx. The Tx is a transmission pin used to transmit the serial data while Rx is a receiving pin that is used to receive the serial data.

LED

There are four LEDs on the board. One is a built-in LED connected to pin 13 other is a power LED. And two are Rx and Tx LEDs which operate when serial data is transferred or received to the board.

Vin, 5V, GND, RESET

Vin……. It is the input voltage supplied to the Arduino Board. It is different from than 5 V we get through a USB port. Moreover, if a voltage is supplied through the power jack, it can be accessed through this pin. 5V……… This board contains voltage regulation ability. This board is activated using three ways i.e. USB, Vin pin of the board, or DC power jack. USB supports voltage around 5V while Vin and Power Jack support a voltage ranges between 7V to 20V. Know that, if a voltage is supplied through 5V or 3.3V pins, they will bypass the voltage regulation which ultimately damages the board if the voltage exceeds the certain limit. GND….. This is a ground pin. More than one ground pins are available on the board which can be used as per requirement. Reset… This pin resets the program running on the board. Instead of a physical reset on the board, IDE can reset the board through programming.

Arduino UNO REV3 Features

Microcontroller = ATmega328P Operating Voltage = 5V Digital I/O Pins = 14 PWM Digital I/O Pins = 6 Analog Input Pins = 6 Input Voltage (limit) = 6-20V Input Voltage (recommended) = 7-12V Flash memory = 32KB SRAM = 2KB EEPROM = 1KB Oscillator = 16MHz Size = 53x68mm Weight = 25g

Programming

• This board carries all specifications needed to run the controller. You can directly connect this board with the computer using a USB cable and send a lot of instructions to the board using Arduino IDE software. The programming language C or C++ is used to program the controller.
• It is important to note that Arduino comes with a Bootloader that is mainly used to burn the Arduino program which means you don’t require an external burner to burn the program inside the controller.
• The Arduino. IDE software is compatible with many operating systems including Windows, MAC or Linux Systems, however, Windows is preferred to run this software.

Difference between Arduino UNO and Arduino UNO REV3

• The Arduino Uno incorporates the ATMEGA8U2 USB microcontroller on board. While R3 board comes with an upgraded version of the USB controller ATMEGA16U2 on board.

• The Arduino Uno features an LED and resistor connected in series on pin 13. The R3 board buffers this LED/resistor using a unity gain operational amplifier. This is the separate op-amp that was not used in Arduino Uno.

• The Arduino UNO R3 board includes a diode across the USB ATmega reset pin pull-up resistor.
• The R3 board includes four solder pads (JP2) connecting to pins PB4 to PB7 of the USB ATMEGA. These solder pads are not present in Arduino Uno.

Arduino Uno REV 3 Applications

Arduino Uno is used in a wide range of applications. Following are some main applications of the board.

• Security and Defense System
• Embedded System
• Industrial Automation
• Digital Electronics and Robotics
• Weighing Machines
• Parking Lot Counter
• Traffic Light Count Down Timer
• Home Automation
• Emergency Light for Railways
• Medical Instrument

Don’t confuse the microcontroller with the Arduino board. Every Arduino board is a microcontroller but not every microcontroller is an Arduino board. Both devices are used for different purposes, however, the Arduino board is easy to learn that even a person with no technical skills can get hands-on experience with this device. That’s all for today. Hope you find this article helpful. If you have any questions, you can approach me in the section below. I’d love to help you the best way I can. Feel free to share your valuable suggestions and feedback around the content we share, so we keep producing quality content as per your needs and requirements. Thank you for reading the article.

Introduction to Arduino Uno WiFi Rev 2

Hello Everyone! Hope you’re well today. Happy to see you around. In this post today, I’ll walk you through the Introduction to Arduino Uno WiFi Rev 2. Arduino Uno WiFi Rev 2 is a microcontroller board based on ATmega4809 and carries an ECC608 crypto chip to ensure a secure and safe WiFi connection. The board contains 14 digital I/O pins, 5 PWM pins, 6 analog pins, one SPI protocol, one I2C, and one UART communication protocol. I suggest you read this entire post till the end as I’ll detail the complete Introduction to Arduino Uno WiFi Rev2 covering pinout, pin description, features, programming, and applications. Let’s jump right in.

Introduction to Arduino Uno WiFi Rev 2

• The Arduino Uno WiFi Rev 2 is a microcontroller board that is mainly based on the ATmega4809 microcontroller.
• Contains a temperature sensor and a 6 axis accelerometer/gyroscope for motion sensing. Generally employed to develop fall sensors, step counters, door opening alarms.
• A brand new ECC608 crypto chip accelerator is included on the board to ensure a secure WiFi connection.

• The safe and secure WiFi connection makes it an ideal pick for several industries including consumer electronics, automotive, agriculture, logging data, and small home automation projects.
• The oscillator speed is 16MHz which is required for the synchronization of all internal functions.
• There are total 14 digital I/O incorporated on the board out of which 5 are used as PWM pins and 6 analog pins are available on the board.

 

• The flash memory is 48KB that is mainly employed to store the sketch (Arduino program is called a sketch) while the EEPROM is 256bytes and SRAM is 6KB.
• The EEPROM is a non-volatile memory which means it stays stored in the board even if power is removed from the board. While SRAM is used to manipulate and generate variables when it is activated.
• The DC current for the 3.3V pin is 50 mA and the DC current per I/O pin is 20mA. And the recommended input voltage ranges from 7V to 12V.
• The operating voltage of this board is 5V. Moreover, this board also incorporates Secure Element = ATECC608A and Radio module = u-blox NINA-W102
• This board is an advanced version of Arduino Uno. But the processor architecture of this Rev 2 board is different than the Arduino Uno since it incorporates a different chip. The program you write for Arduino Uno will not work with Arduino Uno WiFi Rev 2.
• Other features include a power jack, USB connection, a reset button, and an ICSP header. ICSP header is used to develop communication with other devices while pressing a reset button will reset the board and start the program from the initial stage.

Arduino Uno WiFi Rev 2 Pinout

The following figure shows the pinout diagram of Arduino Uno WiFi Rev 2.  

Arduino Uno WiFi Rev 2 Pin Description

This was all about the brief introduction to Arduino Uno WiFi Rev 2. In this section, we’ll detail the pin description of each pin incorporated on the board. Let’s get started.

Digital Pins

14 digital pins are installed on the board which you can use as an input or output according to the requirement. These pins get only two values i.e. HIGH or LOW. When they receive 0V they are in a LOW state and when they receive 5V they are in the HIGH state.

Analog Pins

6 analog pins are available on the board. These pins can receive any number of values in comparison to digital pins that only get two values HIGH or LOW.

PWM Pins

Out of 14 digital pins, 5 are used as PWM pins. These pins generate analog results with digital means. These pins are mainly used to control the speed of the motor.

SPI Pins

This board features the SPI protocol. Which serial peripheral interface communication protocol. It is used to develop communication between the controller and other peripheral devices like shift registers and sensors. It contains two Pins i.e. MISO (Master Input Slave Output) and MOSI (Master Output Slave Input) are mainly incorporated for SPI communication between devices. These pins are used to send or receive data by the controller.

I2C

I2C is a two-wire communication protocol. It contains two pins SCL and SDL. The SCL is a serial clock line used to synchronize all data transfer over the I2C bus while SDL is a serial data line used to carry the data.

UART Pins

The UART is a serial communication protocol. It contains two pins Rx and Tx. The Rx is the receiving pin used to receive serial data while Tx is a transmission pin used to transmit the serial data.

Arduino Uno WiFi Rev 2 Features

The following are the main features of Arduino Uno WiFi Rev 2.

• Microcontroller = ATmega4809
• Input Voltage (recommended) = 7 - 12V
• Operating Voltage = 5V
• DC Current for 3.3V Pin = 50 mA
• DC Current per I/O Pin = 20mA
• Digital I/O Pins = 14
• Analog Input Pins = 6
• PWM Pins = 5
• Flash Memory = 48KB

• EEPROM = 256bytes
• SRAM = 6KB
• UART = 1
• SPI = 1
• I2C = 1
• Oscillator = 16MHz
• Secure Element = ATECC608A
• Radio module = u-blox NINA-W102
• Inertial Measurement Unit = LSM6DS3TR
• Size = 53x68mm
• Weight = 25g

Programming

• The board contains a USB port. Simply connect the board with the computer through a USB cable and start playing with it. The Arduino IDE (integrated development environment) software is mainly used to program all Arduino boards.
• Moreover, this board carries an internal Bootloader that is employed to burn the program inside the controller. This means you don’t need an external burner to burn and program the microcontroller board.
• While you open up this IDE software, you will be presented with LED basic program through which you can check if your board is working fine.

Arduino Uno WiFi Rev 2 Applications

• Used in fall sensors, step counters, door opening alarms.
• Due to the presence of WiFi connection ability, it is mainly employed for IoT applications.
• Used in embedded systems and control systems
• Used in educational projects

That’s all for today. Hope you’ve got a clear idea about Introduction to Arduino Uno WiFi Rev 2. If you have any query, you can pop your comment in the section below, I’d love to help you the best way I can. You’re most welcome to share your valuable suggestions and feedback around the content we share so we keep producing such content customized to your exact needs and requirements. Thank you for reading the article.

Introduction to Arduino Mega 2560 Rev3

Hi Friends! Hope you’re well today. I welcome you on board. In this post today, I’ll walk you through the Introduction to Arduino Mega 2560 Rev3. The Arduino Mega 2560 Rev3 is a microcontroller board that is based on the ATmega2560 microcontroller. The Arduino boards are widely used in the automation industry and embedded projects. Almost all boards work similarly with few exceptions. Other boards like Arduino Uno, Arduino Nano, Arduino Every, Arduino Beetle all seem a good pick for the projects that require little memory to store the program. However, when the nature of projects go complex that require more memory and a rich set of I/O interfaces, the Arduino Mega 2560 Rev3 comes into play. This board is an advanced version of the board Arduino Mega 2560. I suggest you buckle up and read this entire post till the end as I’ll detail the complete Introduction to Arduino Mega 2560 Rev3 covering pinout, pin description, features, programming, and applications. Let’s get started.

Introduction to Arduino Mega 2560 Rev3

• The Arduino Mega 2560 Rev3 is a microcontroller board that is based on the ATmega2560 microcontroller.
• There are total 54 digital I/O pins available on the board out of which 15 pins are used as PWM pins. There are 15 analog pins incorporated on the board.
• The board comes with 4 serial ports, one SPI, and one I2C communication protocol.
• The operating voltage of the device is 5V while the input voltage ranges from 6V to 20V while the recommended input voltage ranges from 7V to 12V.

• The oscillator clock speed is 16MHz which ensures the synchronization of the internal functions.
• The Arduino Program (sketch) is stored in the Flash memory which is 256KB and SRAM is 8KB while the EEPROM is 4KB.

• The SRAM is responsible for producing and manipulating the variables when it runs and EEPROM is a non-volatile memory that remains stored in the board even if power is removed.
• It is important to note that Arduino Duemilanove/UNO is compatible with Arduino Mega 2560 which projects the shields developed for Duemilanove stands fit for this mega board.
• You can say Arduino Mega 2560 is identical to Arduino Uno with more memory and rich I/O interfaces so it is mainly used for more complex and advanced projects.
• This device is also incorporated with a new USB chip (similar to Arduino UNO) - ATmega16U2 (previously ATmega8U2 or FTDI chips were used).
• This board incorporates two voltage regulators i.e. 5V and 3.3V which gives the ability to regulate the voltage as per requirements in contrast to Arduino Uno which comes with only one voltage regulator.
• More features include a power jack, a USB connection, an ICSP header, and a reset button. It comes with everything required to support the microcontroller.

Arduino Mega 2560 Rev3 Pinout

In the following picture, you’ll see the pinout diagram of Arduino Mega 2560 Rev3. The board incorporates 4 LEDs where one is a built-in LED connected to pin 13 of the board. One is a power LED that turns on when the board is turned on. While two LEDs are reserved for Rx and Tx which respond when the serial communication happens on this board.

Arduino Mega 2560 Rev3 Pin Description

Hope you’ve got a brief idea about this Arduino Mega board. In this section, we’ll highlight the pin description of each pin incorporated on the board. Let’s get started.

UART Pins

There are 4 serial ports incorporated on the board. Each UART serial port comes with two pins Rx and Tx. The Rx is the receiving pin that ensures the receiving of serial data while Tx is the transmission pin that guarantees the transmission of serial data.

SPI Pins

The board contains one SPI communication protocol. While is a serial peripheral interface communication protocol. It is used to develop communication between the controller and other peripheral devices like sensors and shift registers. It contains two Pins… MISO (master input slave output) and MOSI (master output slave input) for the SPI communication.

I2C Pins

The board carries one I2C communication protocol. It carries two pins SDL and SCL. The SDL is the serial data pin that carries the data while SCL is the serial clock line that ensures the synchronization of data transfer over I2C bus.

Digital Pins

This comes with the most number of digital I/O pins incorporated on any Arduino board. The reason it is called Arduino Mega. It is also capable to store more memory of the Arduino program in the Flash memory. You can use these 54 pins as an input or output based on the requirement. These pins receive two values HIGH and LOW. When they receive 5V the pins are at HIGH state while when they receive 0V the pins remain in a LOW state.

Analog Pins

The board contains 15 analog pins. These pins can get any values in contrast to digital pins that receive only two values HIGH and LOW.

PWM Pins

Out of 54 digital I/O pins, 15 pins can be used as PWM pins. These pins generate analog results with digital means.

Arduino Mega 2560 Rev3 Features

The main features of Arduino Mega 2560 Rev3 are described below.

• Microcontroller = ATmega2560
• Input Voltage (limit) = 6-20V
• Input Voltage (recommended) = 7-12V
• SPI = 1
• I2C = 1
• UART = 4
• Digital I/O Pins = 54
• Analog Pins = 16
• PWM Pins = 15
• DC Current for 3.3V Pin = 50 mA
• DC Current per I/O Pin = 20 mA
• Clock Speed = 16MHz
• Flash Memory = 256 KB

• EEPROM = 4 KB
• SRAM = 8 KB
• LED_BUILTIN = 13
• Size = 53x101mm
• Weight = 37g

Programming

The Arduino.cc has introduced the official software Arduino IDE to program all Arduino boards. The Arduino Mega 2560 Rev3 comes with a USB comes that is used to program the board. Simply connect the board with the computer using a USB cable and start playing with it. Moreover, the board comes with an internal Bootloader which is used to burn the program inside the controller. Setting you free from buying the external burner to burn the program.

Difference between Arduino Mega 2560 R2 and R3

• Two more pins are included in each row of the pin. In the "digital section" two-pin header sockets are available: 10 and 8 pins, despite 2 x 8. While in the "analog section" two pins 8 and 6 are included instead of 2 x 6.
• ATmega16U, chip for USB communication, replaced the ATmega8U chip in the R3 board. And it comes with16 kB of flash memory as compared to 8.
• Now digital section incorporates two separate pins for I2C communication i.e. SDL and SCL.
• It is important to note that, these pins are not considered additional signals. In the case of Arduino UNO R2, two pins SDA and SCL are incorporated at A5 and A4. In R3 they reserve the same spot, merging new pins with old ones.

Arduino Mega 2560 Rev3 Applications

This mega board is an ideal pick for the projects requiring more memory space to store the program and require a rich set of I/O interfaces. The following are the main applications of Arduino Mega 2560 Rev3.

• Controlling and handling more than one motors
• Developing 3D printer
• Sensing and detecting temperature
• Interfacing of number of sensors
• Parallel programming and Multitasking
• Home automation and security systems
• Embedded Systems
• Water level detection projects

That’s all for today. Hope you find this article helpful. If you’re unsure or have any questions, you can approach me in the section below, I’d love to help you the best way I can. Feel free to share your valuable suggestions and feedback around the content we share. This helps us create quality content customized to your exact needs and requirements. Thank you for reading the post.

Introduction to Arduino Nano 33 IoT

Hi Guys! Hope you’re well today. Happy to see you around. In this post today, I’ll walk you through the Introduction to Arduino Nano 33 IoT. Arduino Nano 33 IoT is mainly used in basic IoT applications. The Internet of things is one of the most exciting and robust developments in the field of information technology. Using this technology you can interface a network of physical things with software, sensors, or other technologies to develop communication and data exchange between devices and other systems using the internet. For example, you can control the room temperature by interfacing the sensors in your rooms with your smartphone through WiFi. Traditional systems including control systems, wireless sensor networks, embedded systems, and home automation all contribute to activating the internet of things. Over the past two decades, networking technologies have been commonly restricted to traditional devices like desktop computers, laptops, and more recently tablets and smartphones. With the inception of innovative technologies, IoT continues to cover scores of devices into the network including medical devices, household appliances, vehicles, electric motors, traffic controls, street lights, smart TVs, and much more. At Arduino, you can either generate your own Arduino Access Point or connect the board with any existing WiFi network. I suggest you buckle up, as I’ll detail the Complete Introduction to Arduino Nano 33 IoT covering pinout, pin description, features, programming, and applications. Let’s get started.

Introduction to Arduino Nano 33 IoT

• Arduino Nano 33 IoT is a microcontroller board based on low power Arm® Cortex®-M0 32-bit SAMD21.
• This board features a u-blox, the NINA-W10 that is a low-power chipset mainly employed to develop Bluetooth and WiFi connectivity.

• With this device, you’ll also get a 6 axis IMU that makes this device an ideal fit for pedometers, vibration alarm systems, and the relative positioning of robots.
• Moreover, this device contains a Microchip® ECC608 crypto chip that stores the cryptographic keys in hardware and guarantees secure and safe communication.
• Visit WiFiNINA library reference page and get a hold of several certain examples available for Arduino Nano 33 IoT.
• This device is completely compatible with the Arduino IoT cloud. You can use the Arduino IoT cloud for free – a simple and efficient way to guarantee safe and secure communication over all connected devices.

• There are 14 digital I/O pins, 8 analog pins, and 11 PWM pins incorporated on board.
• The board contains Flash memory of 256KB. This memory is used to store the Arduino Program (sketch). While the SRAM memory is 32KB that is used to produce and manipulate variables when it runs. There is no EEPROM available on this board.
• The clock frequency of an oscillator is 48MHz which is used for the synchronization of all internal functions.

Arduino Nano 33 IoT Pinout

The following figure shows the pinout diagram of Arduino Nano 33 IoT. The board contains two LEDs i.e. one is a built-in LED connected to pin 13 of the board and the other is the power LED that turns on when power is supplied to the board.

Arduino Nano 33 IoT Pin Description

This is the little introduction to Nano 33. In this section, we will detail the pin description of each pin incorporated on the board.

Digital Pins

The Nano 33 board contains 14 digital pins that you can use as input or output depending on the requirement. These pins receive only two values HIGH or LOW. When pins receive 0V they are in a LOW state when they receive 5V they remain in the HIGH state.

Analog Pins

This board carries 8 analog pins. These pins can receive any value in contrast to digital pins that receive only two values i.e. HIGH or LOW.

PWM Pins

The Nano 33 board features 11 PWM pins. These pins, when activated, generate analog results with digital means.

SPI Pins

This is the serial peripheral interface that is used to develop communication between a controller and other peripheral devices like shift registers or sensors. Two pins: MISO (Master Input Slave Output) and MOSI (Master Output Slave Input) are incorporated for SPI communication between devices. These pins are used to send or receive data by the controller.

I2C Pins

The Nano 33 contains the I2C two-wire communication protocol. It carries two pins SDA and SDL. The SDA is a serial data pin used to carry the data while SCL is a serial clock line used to synchronize all data transfer over the I2C bus. The I2C protocol is used to develop communication between two or more integrated circuits.

UART Pins

This board supports UART serial communication protocol with two pins Tx and Rx. The Tx pin is a transmission pin used to transmit serial data while Rx is a receiving pin mainly employed to receive the serial data.

Arduino Nano 33 IoT Features

• Microcontroller = SAMD21 Cortex®-M0+ 32bit low power ARM MCU
• Secure Element = ATECC608A
• Oscillator = 48 MHz
• Radio module = u-blox NINA-W102
• Input Voltage (limit) = 21V
• Flash Memory = 256KB
• SRAM = 32KB
• EEPROM = no
• DC Current per I/O Pin = 7mA
• Operating Voltage = 3.3V
• Digital I/O pins = 14
• PWM Pins = 11

• Analog Pins = 8
• External Interrupts = All digital pins
• Size = 18x45 mm
• UART = 1
• SPI = 1
• I2C = 1
• Weight = 5gr.

Programming

Arduino.cc has introduced an official software Arduino IDE to program all boards of the Arduino Family. The C and C++ languages are used in this software to program the Arduino boards. The Nano 33 incorporates a USB port through which you can connect the board with the computer using a USB cable. You can send several instructions to the board and control and program the board as you like better. Plus, the Arduino board includes a Bootloader that is mainly used to burn the program inside the controller, setting you free from buying the separate burner to burn the Arduino program.

Related Boards

You might have witnessed a range of Arduino boards at Arduino.cc. Some boards share similar functionalities. If you want to expand your experience you can play with other Arduino boards that come with similar IoT functionalities including: Arduino MKR WiFi 1000 – it is only employed for Wi-Fi applications as it comes with a different chipset than Arduino Nano 33 IoT. Arduino Uno Wifi Rev 2 – it is an educational version of the MKR WiFi 1010, incorporated with an embedded accelerometer and USB-B connector. Arduino MKR Wifi 1010 – It is an advanced version of Nano 33 that features a battery charger but lacks an accelerometer.

Arduino Nano 33 IoT Appications

This board is widely used in IoT applications. You can connect this board with an existing WiFi system and control physical things like vehicles, electric motors, medical devices, street lights… over the internet. That’s all for today. I hope you’ve enjoyed reading this article. If you have any questions, you can approach me in the section below. I’d love to help you the best way I can. Feel free to share your valuable suggestions and feedback around the content we share, so we keep producing quality content based on your needs and requirements. Thank you for reading the article.

Introduction to Arduino Nano 33 BLE

Hi Guys! Hope you’re well today. I welcome you on board. In this post today, I’ll walk you through the Introduction to Arduino Nano 33 BLE. Arduino Nano 33 BLE is an advanced version of Arduino Nano board that is based on a robust and powerful processor the nRF52840 from Nordic Semiconductors, a 32-bit ARM® Cortex™-M4 CPU. It comes with a crystal oscillator frequency of around 64MHz. It features 32 times bigger program memory than the Arduino Uno board, helping you store programs with much larger memory. With this device, you can produce a lot more variable as it comes with RAM that is 128 times bigger than the RAM of Arduino Uno. Before you move further, I recommend you read this article on the Introduction to Arduino Nano which we have published a while ago. I suggest you buckle up as I’ll walk you through the complete Introduction to Arduino Nano 33 BLE covering pinout, pin description, features, programming, and applications. Let’s get started.

Introduction to Arduino Nano 33 BLE

• Arduino Nano 33 BLE is an advanced version of Arduino Nano board that is based on a powerful processor the nRF52840.
• The crystal oscillator frequency is 64MHz which is used to synchronize all internal functions.

• It carries 14 digital I/O pins these all pins can be used as PWM pins and there are 8 analog pins incorporated on the board.
• The board features a USB port which is used to test and program this board through a USB cable. Simply, connect your board with the computer through this cable and start playing with it.
• The Arduino Nano 33 BLE comes with a flash memory of 1MB which is 32times bigger than the program memory of the Arduino Uno board. The SRAM is 256KB and there is no EEPROM. The flash memory is used to store the Arduino program (sketch). The SRAM is used to manipulate and produce variables when it is activated.
• The board features built-in LED at pin 13 and one is the power LED which turns on when power is supplied to this board.

• The Nano 33 BLE incorporates a 9-axis inertial measurement unit (IMU) that contains a gyroscope, an accelerometer, and a magnetometer with a 3-axis resolution each. This unit makes the board an ideal pick for more advanced robotics and embedded experiments.
• You can buy this board with or without headers that will help you incorporate this board into wearables.
• This board is a revised version of the Arduino Nano board. In the improved version, you’ll get a micro-USB connector, a better and efficient processor, and a 9-axis IMU.
• The board contains tessellated connectors and carries no components on the B-side. This will help you solder the board directly onto your design, reducing the height of your entire project.
• The best part – this revised version costs less than the main Arduino Nano board.
• And don’t fear experimenting with this device, in the worst-case scenario you’ll end up burning this device which you can replace in few dollars.

Arduino Nano 33 BLE Pinout

The following figure represents the pinout of Arduino Nano 33 BLE. There are two LEDs incorporated on the board. One is a basic built-in LED connected with pin 13 and the other is a power LED.

Arduino Nano 33 BLE Pin Description

Hope you’ve got a brief insight into the Arduino Nano 33 BLE. In this section, we’ll detail the pin description of each pin available on the board.

Digital Pins

The number of digital I/O pins are 14 which receive only two values HIGH or LOW. These pins can either be used as an input or output based on the requirement. When these pins receive 5V, they are in a HIGH state and when they receive 0V they are in a LOW state.

Analog Pins

Total 8 analog pins installed on the board A0 – A7. These pins get any value as opposed to digital pins that only receive two values HIGH or LOW. These pins are used to measure the analog voltage ranging between 0 to 5V.

PWM Pins

All digital pins can be used as PWM pins. These pins generate analog results with digital means.

SPI Pins

The board supports SPI (serial peripheral interface) communication protocol. This protocol is employed to develop communication between a controller and other peripheral devices like shift registers and sensors. Two pins are used for SPI communication i.e. MISO (Master Input Slave Output) and MOSI (Master Output Slave Input) are used for SPI communication. These pins are used to send or receive data by the controller.

I2C Pins

The board carries the I2C communication protocol which is a two-wire protocol. It comes with two pins SDL and SCL. The former pin is used to carry the data while the latter is used to synchronize all data transfer over the I2C bus.

UART Pins

The board features a UART communication protocol that is used for serial communication and carries two pins Rx and Tx. The Rx is a receiving pin used to receive the serial data while Tx is a transmission pin used to transmit the serial data.  

External Interrupts

All digital pins can be used as external interrupts. This feature is used in case of emergency to interrupt the main running program with the inclusion of important instructions at that point.

LED at Pin 13 and AREF

There is an LED connected to pin 13 of the board. And AREF is a pin used as a reference voltage for the input voltage.

Arduino Nano 33 BLE Features

The following are the main features of Arduino Nano 33 BLE.

• Microcontroller = nRF52840
• Input Voltage (limit) = 21V
• Operating Voltage = 3.3V
• Clock Speed = 64MHz
• Flash memory = 1MB
• SRAM = 256KB
• EEPROM = No
• DC Current per I/O Pin = 15mA
• Digital Input / Output Pins = 14
• PWM pins = 14 (all digital pins)
• UART = 1

• SPI = 1
• I2C = 1
• Analog pins = 8
• USB = Native in the nRF52840 Processor
• External interrupts = all digital pins
• Built-in LED = at Pin 13
• Size = 18x45 mm
• Weight = 5gr.

Arduino Nano 33 BLE Programming

• The Arduino IDE software is used to program this Arduino board. This software is used to program all Arduino boards and it is open-source software, which means you can use this software and hardware free of cost. Anyone can modify and edit the existing programs and hardware to get the desired results.
• This board comes with a USB port that is used to program the board. The USB cable is used to connect this board with the computer. You can send plenty of instructions to the Arduino board using Arduino IDE software.
• Know that this board features an internal Bootloader that sets you free from the need of getting an external burner to burn the Arduino program inside the controller.

Arduino Nano 33 BLE Applications

The Arduino Nano 33 BLE is used in the following applications.

• Real-Time Face Detection
• Arduino Metal Detector
• Automation and Robotics
• Medical Instruments
• Virtual Reality Applications
• Industrial Automation
• Android Applications
• Embedded Systems
• GSM Based Projects
• Home Automation and Defense Systems

That’s all for today. Hope you’ve got a clear insight into the Introduction to Arduino Nano 33 BLE. If you’re unsure or have any questions, you can pop your comment in the section below, I’d love to help you the best way I can. Feel free to share your valuable suggestions and feedback around the content we share so we keep producing quality content customized to your exact needs and requirements. Thank you for reading the article.

Introduction to Arduino MKR WiFi 1010

Hi Guys! I welcome you on board. Happy to see you around. In this post today, I’ll give you a detailed Introduction to Arduino MKR WiFi 1010. The Arduino MKR Wifi 1010 is a solution to your basic IoT applications. Using this device, you can develop a WiFi-connected sensors network or can produce a BLE device connected to your cell phone. This board is based on the SAMD21 microcontroller and comes with a clock speed of around 32.768 kHz (RTC), 48 MHz. There are 8 digital pins, 13 PWM pins, and 7 analog pins incorporated on the board. The operating voltage is 3.3V while the voltage through USB or Vin is 5V. I suggest you read this post all the way through, as I’ll detail the complete introduction to Arduino MKR Wifi 1010 covering pinout, pin description, features, programming, and applications. Let’s jump right in.

Introduction to Arduino MKR WiFi 1010

• The Arduino MKR Wifi 1010 is a microcontroller board based on SAMD21 Cortex®-M0+ 32bit low power ARM microcontroller.
• The Arduino MKR Wifi 1010 is an improved version of MKR 1000 and is mainly developed for IoT applications. The secure element ATECC508 ensures a safe and secure WiFi connection.
• This secure element is a crypto device that comes with ECDH (Elliptic Curve Diffie–Hellman) key agreement, which is mainly used to include confidentiality to digital systems including Internet of Things (IoT) nodes employed in industrial networking and home automation.

• The board carries a USB port to power up the board with 5V. While the Li-Po charging circuit will make Arduino MKR WiFi 1010 run in two ways i.e. either with an external 5-volt source or with battery power.

• Contains powerful I/O interfaces including 8 digital I/O pins 7 analog pins 13 PWM pins and carries 3.3V operating voltage.
• The operating voltage is 3.3V while the voltage through USB or Vin is 5V. The clock frequency is 32.768 kHz (RTC), 48 MHz which guarantees the synchronization of internal functions.
• Comes with internal flash memory of around 256KB which ensures the storage of the Arduino program (sketch). The SRAM is 32KB which is employed to produce and manipulate variables when it’s activated. There is no EEPROM available on the board.

Arduino MKR WiFi 1010 Pinout

The following figure shows the pinout diagram of Arduino MKR Wifi 1010.

Arduino MKR WiFi 1010 Pin Description

Hope you’ve got a brief insight into Arduino MKR Wifi 1010. In this section, we’ll detail the pin description of each pin available on the board. Let’s get started.

SPI Pins

The board comes with an SPI communication protocol that is mainly used to develop communication with the controller and other peripheral devices like shift registers and sensors. Two Pins are used for SPI communication. MISO (master input slave output) and MOSI (master output slave input) these pins are incorporated for the SPI communication. These pins are used to send or receive data by the controller.

UART Pins

The board comes with serial communication protocol UART. It contains two pins Rx and Tx for serial communication. The Tx is a transmission pin employed to transmit the serial data while Rx is a receiving pin used to receive the serial data.

I2C Pins

I2C is a two-wire communication protocol that comes with two pins SDL and SCL. The SDL is a serial data line that carries the data while SCL is a serial clock line that guarantees synchronization of data transfer over the I2C bus.

Analog Pins

There are 7 analog pins installed on the board. Any voltage value can be included in these pins in contrast to digital pins that only receive two values HIGH and LOW.

Digital Pins

There are 8 digital pins available on the board. These pins receive two values HIGH or LOW. When these pins get 5V they are in the HIGH state and when these pins get 0V they are in a LOW state.

PWM Pins

13 PWM pins incorporated on the board. These pins generate analog results with digital means. These pins are mainly employed to control the speed of the motor.

Arduino MKR WiFi 1010 Features

The following are the main features of Arduino MKR Wifi 1010.

• Microcontroller = SAMD21
• Board Power Supply (USB/VIN) = 5V
• Radio module = u-blox NINA-W102
• Supported Battery = Li-Po Single Cell, 3.7V, 1024mAh Minimum
• Secure Element = ATECC508
• Circuit Operating Voltage = 3.3V
• PWM Pins = 13
• Digital Pins = 8
• Analog Pins = 7
• UART = 1
• SPI = 1
• I2C = 1

• External Interrupts = 10
• Flash memory = 256KB
• SRAM = 32KB
• EEPROM = no
• USB = Full-Speed USB Device and embedded Host
• LED_BUILTIN = 6
• Clock speed = 32.768 kHz (RTC), 48 MHz
• Size = 25x61mm
• Weight = 32g.

Programming

• Arduino MKR Wifi 1010 and all other Arduino boards are programmed using Arduino IDE software – A professional software developed by Arduino.cc.
• You can power up your board using a USB port and this is also used to program and test the board. Simply connect the board through a USB cable to your computer and start playing with it.
• You can power up the board by both USB port or through Vin. The board comes with a built-in Bootloader to burn the program, setting you free from using a separate burner to burn the program inside the controller.

Arduino MKR WiFi 1010 Applications

The Arduino MKR Wifi 1010 is mainly introduced for IoT applications. The following are the main applications of this board.

• Used in embedded systems.
• Employed in control systems.
• Used in IoT applications.
• Employed to create a BLE device with a cell phone.
• Used to develop sensor network connected with the home router.

That’s all for today. Hope you like this article. If you have any queries, you can pop your comment in the section below. I’d love to help you the best way I can. Feel free to share your valuable suggestions and feedback around the content we share. This helps us create quality content customized to your exact needs and requirements. Thank you for reading the post.

Introduction to Arduino MKR WAN 1310

Hi Guys! Hope you’re well today. I welcome you on board. In this post today, I’ll walk you through the Introduction to Arduino MKR WAN 1310. The Arduino MKR WAN 1310 includes Lora connectivity that can perform very long-range transmission operations consuming low power. This device is an ideal pick for the hobbyists requiring to develop IoT devices using the minimum networking experience using low power devices. The MKR WAN 1300 is incorporated with the Microchip® SAMD21 which is the low-power processor, the MKR family’s characteristic crypto chip (the ECC508), and the Murata CMWX1ZZABZ LoRa® module. Before you read further, I recommend you have a look at Introduction to Arduino Nano Every and Arduino MKR Vidor 4000 that I have uploaded previously. I suggest you read this post all the way through, as I’ll cover the complete Introduction to Arduino MKR WAN 1310 covering pinout, features, pin description, programming, and applications. Let’s jump right in.

Introduction to Arduino MKR WAN 1310

• The Arduino MKR WAN 1310 includes Lora connectivity that can perform very long-range transmission operations consuming low power.
• A range of technologies available for the communication between IoT devices including WiFi and Bluetooth. But there is one major problem with these technologies – they consume a lot of power.

• This leads to the introduction of Lora technology that not only offers communication between devices using low power but it is also cost-effective and efficient compared to other technologies.
• The MKR WAN 1310 is an improved version of its predecessor, the MKR WAN 1300. It is still incorporated with the Microchip® SAMD21 which is a low-power processor, the MKR family’s characteristic crypto chip (the ECC508), and the Murata CMWX1ZZABZ LoRa® module. This board features a new battery charger, a 2MByte SPI Flash, and the board’s power consumption is incorporated with improved control.

• The operating voltage of the circuit is 3.3V while the voltage through Vin and USB is 5V.
• There are total 8 digital I/O pins incorporated on the board while the number of analog pins is 7. And the pins that can be used for the PWM motor control are 13.
• The board controller comes with a flash memory of 256KB while the SRAM memory is 32KB. There is no EEPROM memory available on the board. The flash memory is mainly reserved to store the Arduino program (sketch). While the SRAM memory is reserved to generate and manipulate variables when it runs.
• Interface this MKR board with Arduino IoT cloud that guarantees safe communication between all connected devices.
• The carrier frequency of this board is 433/868/915 MHz which is termed as the frequency of a carrier wave, calculated in cycles per second, or Hertz, mainly modulated to transmit signals.

Arduino MKR WAN 1310 Pinout

The following figure represents the pinout diagram of Arduino MKR WAN 1310.

Arduino MKR WAN 1310 Pin Description

This is the brief idea of the WAN board. In this section, we’ll cover the pin description of each pin available on the board. Let’s jump right in.

Analog Pins

There are 7 analog pins available on the board. These pins can get any number of values in opposed to Digital pins that get values in two states only i.e. HIGH or LOW

Digital Pins

Total 8 digital pins are installed on the board which you can use either as an input or output based on the requirement. These pins offer only two states HIGH or LOW. When voltage is 5V these pins are in the HIGH state and when the voltage is 0V these pins remain in a LOW state.

PWM Pins

The number of pins that can be used as PWM pins is 13. These pins generate analog results with digital means when PWM pins are activated.

UART Pins

The board contains two pins Rx and Tx for the serial UART communication. The Rx line is used to receive the serial data and the Tx pin is used to transfer the serial data.

SPI Pins

This device also offers an SPI communication protocol that is mainly used to develop communication between the microcontroller and other peripheral devices like shift resistors and sensors. Two pins: MISO (Master Input Slave Output) and MOSI (Master Output Slave Input) are employed for SPI communication between devices. These pins are used to send or receive data by the controller.

I2C Pins

The WAN board comes with a two-wire communication protocol known as the I2C protocol. This features two pins SDL and SCL. The SDL is a serial data line that carries the data while SCL is a serial clock line that is mainly employed for the synchronization of all data transfer through the I2C bus.

Arduino MKR WAN 1310 Features

Microcontroller = SAMD21 Cortex®-M0+ 32bit low power ARM MCU Radio module = CMWX1ZZABZ Supported Batteries = rechargeable Li-Ion, or Li-Po, 1024 mAh minimum capacity Digital I/O Pins = 8 Circuit Operating Voltage = 3.3V Board Power Supply (USB/VIN) = 5V PWM Pins = 13 UART = 1 SPI = 1 I2C = 1 Analog Pins = 7 SRAM = 32KB CPU Flash Memory = 256 KB (internal) LED_BUILTIN = 6 EEPROM = no USB = Full-Speed USB Device and embedded Host QSPI Flash Memory = 2MByte (external) DC Current per I/O Pin = 7mA Carrier frequency = 433/868/915 MHz Size = 25x67mm Weight = 32 gr. External Interrupts = 10 (0, 1, 4, 5, 6, 7, 8, 9, 16 / A1, 17 / A2)

Related Boards

If you’re getting confused about buying the right device for wireless communication, the Arduino MKR series also offers other boards that you can pick for wireless communication.

• MKR NB 1500
• MKR GSM 1400
• MKR WAN 1300
• MKR FOX 1200

Programming

• This board is programmed using Arduino IDE software which is an official software to program all Arduino boards.
• When you open the software, you’ll be offered a basic LED blinking program which you can use to test the board if it’s working fine.
• The WAN board carries a USB port which is used for direct communication with the computer system. You can send a number of instructions to the Arduino board using this USB protocol.
• This device incorporates a built-in Bootloader that is used to burn the program inside the board. This means you don’t need to buy an external burner to program the microcontroller inside the board.

Arduino MKR WAN 1310 Applications

The WAN board is used in a range of applications. And it is the best pick for the development of IoT devices that require low power. The addition of Lora technology makes this device cost-effective and efficient for developing communication between devices compared to devices that only use WiFi or Bluetooth for communication. That’s all for today. I hope you’ve enjoyed reading this article. If you have any questions, you can approach me in the section below. I’d love to help you the best way I can. Feel free to share your valuable suggestions and feedback around the content we share, so we keep producing quality content based on your needs and requirements. Thank you for reading the article.