Creative Hardware
A Raspberry Pi, an ESP32, and a Magnet Under the Board Are Running This Ouija Séance
Raspberry Pi Foundation staff writer Kat Shann and her husband built OuijaCNC — a lightweight core XY CNC machine hidden inside a decorated wooden box that moves a planchette across a Ouija board using magnets, driven by an ESP32 and a repurposed Raspberry Pi 3 running a Flask web app. Type a question, and G-code spells out the answer.