Scare your enemies with a Pi prank box

OUR EXPERT

Les Pounder is associate editor at Tom’s Hardware and a freelance maker for hire. He blogs about his adventures and projects at http://bigl.es.

YOU NEED

Pi Pico or Pico W

OEP3W amplifier

Speaker

Half breadboard

PIR sensor

10K pot

9x M2M jumper wires

Code: https://bit.ly/lxf313pitut1

The Raspberry Pi Pico is an exceptionally cheap and resourceful little board. For T £4, we get a powerful microcontroller and plenty of GPIO pins. With a few extra components, we can build all manner of fun projects. In this tutorial, we’re using CircuitPython, a version of Python for microcontrollers, to play MP3 files. We need an amplifier, and the OEP3W at £2 from AliExpress, will do the job. But we’re not making a music player. Instead, we are using a sensor to detect movement and