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Intelligent Systems.

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01 AI Interactive Datasheets

Know your component.
Build with confidence.

Go from a part number to the details that matter: pinouts, specifications, package views, and practical circuits.

Components Microcontrollers Microprocessors Sensors Embedded & IoT modules

756 component references available to explore. Interactive coverage is growing.

Explore AI Interactive Datasheets

Buzz, the TEP crew's friendly white and cyan flying helper — BuzzComponent discovery

Interactive datasheetMAX232

MAX232 integrated circuit with its silver DIP package leads

RS-232 transceiver

MAX232

PinoutsReal & 3D viewsSpecifications

LM35 temperature sensor package

Meet your next componentLM35 temperature sensor

02 Proteus Libraries

More parts.
More possibilities.

From Arduino and Raspberry Pi to colourful displays and connected devices. Take a closer look at a few favourites from our growing Proteus collection.

Browse all Proteus libraries

Pip, the young orange-accented robot, sharing an idea — PipLet's build something

Development boards

ESP32 DevKit V1

Wi-Fi experiments and connected circuits, starting with a familiar ESP32 board.

Explore this library Library, setup guide & examples

ESP32 DevKit V1 in Proteus: the 30 pins, the ESP-WROOM-32 module, EN and BOOT — Actual Proteus library preview

Raspberry Pi & computers

Raspberry Pi 5

Bring Raspberry Pi projects into your Proteus workspace.

Explore this library Library, setup guide & examples

Raspberry Pi 5 in Proteus: the board with the BCM2712, the RP1, the fan connector and the 40-pin GPIO header — Actual Proteus library preview

Development boards

Arduino UNO

A familiar starting point for circuits, sketches, and embedded ideas.

Explore this library Library, setup guide & examples

Arduino UNO V4.0 board in Proteus 8.5 running the demo: the blue UNO R3 drawing with the USB-B socket, the DC jack, the ATmega16U2, the 16.000 crystal and the ATmega328P-PU, with the green L LED and the red ON LED lit — Actual Proteus library preview

Raspberry Pi & computers

Laptop WiFi Monitor

Give connected projects a screen of their own with the TEP NoteBook.

Explore this library Library, setup guide & examples

Actual Proteus library preview

TFTs & displays

3.5-inch TFT LCD

Add colour, touch, and a new way to interact with your circuit.

Explore this library Library, setup guide & examples

3.5" TFT LCD Shield Advance in Proteus: the 3.5 inch shield showing the 480 x 320 colour test with a hue sweep, a grey ramp, colour blocks and rings — Actual Proteus library preview

TFTs & displays

M5Stack Core2

Explore an ESP32 touch-display module for your next interface.

Explore this library Library, setup guide & examples

M5Stack Core2 in Proteus: the LIVE page with the pulse waveform — Actual Proteus library preview

TFTs & displays

LilyGO T-Deck

A display, keyboard, and LoRa ideas in one compact handheld.

Explore this library Library, setup guide & examples

LilyGO T-Deck U1 in Proteus: a LoRa chat with delivered lines in green — Actual Proteus library preview

IoT & wireless

NodeMCU ESP8266

A compact starting point for Wi-Fi and connected-device projects.

Explore this library Library, setup guide & examples

NodeMCU ESP8266 V3 in Proteus: the ESP-12E, the CH340G, the RST and FLASH buttons and the 30 pins — Actual Proteus library preview

IoT & wireless

Heltec WiFi LoRa 32

Explore wireless ideas with an OLED-equipped ESP32 LoRa board.

Explore this library Library, setup guide & examples

Heltec WiFi LoRa 32 V3 in Proteus: the white board with the OLED, USB-C, PRG, RST and the LoRa socket — Actual Proteus library preview

IoT & wireless

LilyGO T-Call

Explore cellular-connected projects with the ESP32 and SIM800L.

Explore this library Library, setup guide & examples

T-Call SIM800L in Proteus: the board with the SIM800L, the ESP32-WROVER-B and the two rows of pads — Actual Proteus library preview

Development boards

Raspberry Pi Pico W

A small board for microcontroller projects and wireless experiments.

Explore this library Library, setup guide & examples

Raspberry Pi Pico W in Proteus: the board with the RP2040, the CYW43439 and the 40 pins — Actual Proteus library preview

Sensors

DHT11 & DHT22

Bring temperature and humidity into your next Proteus project.

Explore this library Library, setup guide & examples

DHT11 / DHT22 Library for Proteus devices: the DHT11 module and the DHT22 (AM2302) module — Actual Proteus library preview

Sensors

HC-SR04 Ultrasonic

Explore distance measurement and object-detection ideas.

Explore this library Library, setup guide & examples

HC-SR04 Simple board in Proteus with a wall at 50 cm: the blue board with the orange T ring and the green R ring, the PWR, TRIG and ECHO LEDs lit, the sonar screen with 50.2 cm and 2912 us, and the HC-SR04 ULTRASONIC RANGE panel saying PINGING - ECHO OK — Actual Proteus library preview

Sensors

BMP280

Explore pressure, altitude, and environmental measurements.

Explore this library Library, setup guide & examples

BMP280 Simple board in Proteus at SEA LEVEL: the purple GY-BMP280 with the barometer dial at 1013.25 hPa, the altitude bar at 0 m, I2C 0x76, PANEL: SHOWN and the BMP280 CONTROLS panel with SKETCH READ: 25.00 C 1013.25 HPA = 0.0 M — Actual Proteus library preview

Sensors

MPU6050

Add motion and orientation to your next engineering experiment.

Explore this library Library, setup guide & examples

MPU6050 Simple board in Proteus lying flat: the blue GY-521 with the MPU-6050 chip, a level artificial horizon with PITCH 0 ROLL 0 GZ 0 25.0 C, I2C 0x68, and the MPU6050 CONTROLS panel with FLAT selected — Actual Proteus library preview

From your first sensor to a more ambitious embedded project.

New to Proteus? Start with installation

Astra, the silver and cyan robot chief engineer — AstraYour ProTech guide

ProTech SimulatorArduino Uno example

Arduino Uno board from the ProTech component library

Your next “it works!” moment.

Start with a blink.digitalWrite(LED_BUILTIN, HIGH);Open the Uno example

03 ProTech Simulator

From an idea
to a working circuit.

Build a circuit in your browser, load Arduino Uno firmware, and explore what happens. Connect components, inspect signals, and learn by experimenting.

Design your circuitPlace components and connect your ideas.
Run and exploreTry Arduino examples and inspect live readings.
Make it your ownMove between real and symbolic views.

Launch ProTech

On the roadmap

ESP32 · Raspberry Pi · broader IoT simulation

04 Engineers Community

Great ideas grow
when you share them.

A place for the people behind the projects. Build your engineering profile, share progress, ask a question, and learn from someone who has been there.

Join the community Explore the forum

Patch, the polished white and silver engineering helper — PatchYour community helper

Big question?
Let's work it out. Together.

Your engineering profileYour interests, your projects, your corner of TEP. Share what you are buildingPost an update and connect with other makers. Work through a challengeAsk questions and exchange practical answers. Share your knowledgeTalk to us about contributing an article or tutorial.

05 From the Blog

A little inspiration.
A lot to explore.

See all articles

Orin, the blue-accented robot father and engineering storyteller — OrinStories worth exploring

Proteus12 Nov 2026

NEMA 17 Closed-Loop Stepper Library for Proteus Simulation

Download the NEMA 17 Closed-Loop Stepper Library for Proteus Simulation: an encoder-driven stepper beside an open-loop one on an Arduino.

Proteus12 Nov 2026

AC Dimmer Module Library for Proteus Simulation

Download the AC Dimmer Module Library for Proteus Simulation: triac phase control with a zero-cross output, on an Arduino and a 230 V fan.

Proteus12 Nov 2026

120mm 230V AC Fan Library for Proteus Simulation

Download the 120mm 230V AC Fan Library for Proteus Simulation: a shaded-pole AC fan whose speed an Arduino sets through a triac dimmer.

Nova, the violet-accented young robot explorer — NovaA little help from Nova

A few useful shortcuts

Keep your
project moving.

Check a calculationOhm’s law and circuit fundamentals Plan your next PCBTrace widths and practical design tools

06 Meet the TEP Crew

A family far from home.
A world of ideas to share.

Meet the robot family at the heart of our TEP story. Stranded on Earth after a journey from 2,198 Krillion light years away, they have turned their curiosity into a mission: help us learn, build, and discover together.

“How far is a Krillion?”
“Let’s start with your first circuit.”

Astra and Pip, Orin and Nova, Patch and flying helper Buzz enjoying the stars in their white spaceship observation lounge — The TEP crew · A new chapter begins on Earth.

TEP-02

Astra

Circuit design & ProTech

TEP-01

Orin

Engineering stories & guides

TEP-12

Nova

Computing & Raspberry Pi

TEP-11

Pip

ESP32 & curious experiments

TEP-D3

Buzz

Components & discovery

TEP-R8

Patch

Practical problem-solving

Buzz, the TEP crew's friendly white and cyan flying helper — BuzzGood company. Great ideas.

Our Partners

Connected by engineering.

Meet the businesses we work with across manufacturing, instrumentation, and diagnostics.

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FOXWELLDiagnostic tools

Pip, the young orange-accented robot, sharing an idea — PipReady when you are

Your next idea belongs here

Learn something.
Build something. Share it.

Find your next component Join TEP