Interface Joystick with Raspberry Pi 4 using MCP3008 & LM324, joystick rpi4, rpi4 joystick, raspberry pi 4 joystick, joystick raspberry pi 4 Greetings, and welcome to the next tutorial in our series on programming for the Raspberry Pi 4. The previous tutorial showed us how to connect a 4x4 keypad to a Raspberry Pi 4. In the previous tutorial, we examined the inner workings of the 4-by-4 keyboard; in this one, we'll use the MCP3008 and ...