Raspberry Pi ESP32 MicroPython Touch & Sound Tutorial

This MicroPython tutorial demonstrates utilizing the ESP32’s built-in capacitive touch sensors. A simple music player is constructed utilizing a JQ6500 MP3 module connected to an ESP32 via serial communication. The touch interface provides feedback by using pulse width modulation to vary LED brightness.

Raspberry Pi INA219 Tutorial

This tutorial demonstrates how to measure DC power consumption with a Raspberry Pi and an INA219 breakout board. The I²C board is combined with a 16×2 LCD display to track voltage, amps and watts.