APC

Building code for microcontrollers

YOU’LL NEED

PROJECT ONE

• A breadboard • LED • 330 Ohm resistor (orange-orange-brown-gold) • Two male-to-female jumper wires

PROJECT TWO

• Adafruit MPR121 capacitive touch sensor (www. adafruit.com/product/4830) • Four female-to-female jumper wires

• Two crocodile clips • Two pieces of fruit

• StemmaQT to breadboard leads (www.adafruit. com/product/4209) All of the code, screenshots and diagrams can be downloaded from tinyurl.com/ APC496PI

This month we take a look at CircuitPython, a programming language designed to simplify experimenting with low-cost boards. On a fresh install of Raspberry Pi OS we need to open

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