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OuijaCNC: A Self-Spelling Ouija Board Built with Raspberry Pi and a Core XY CNC

A Raspberry Pi engineer built a Core XY CNC mechanism using 3D-printed parts, fishing line, motors, and an ESP32; magnets beneath a wooden board drive the Ouija planchette to move automatically to specified letters. The system runs on a Raspberry Pi 3 Model B+ with Raspberry Pi OS Trixie, and a Python Flask web interface converts input text into G-code, which is sent over a USB serial connection to the ESP32 to drive the motors. Currently a person still has to listen to questions and type in answers; the creator is considering adding a microphone and an AI model to parse questions and generate replies.

Part of the event: Raspberry Pi Magnetic- Driven Ouija Board Can Spell Words Automatically

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