LED Glyph Puzzle Using ESP32 for Electronic Escape Room Games

Learn how to build an electronic escape room puzzle using an ESP32 microcontroller in this 25-minute tutorial. Discover advanced ESP32 features including parallel processing with dual cores, LittleFS file storage, I2S audio interface, LED animations with fading and color-changing, and touch input functionality. Follow along as the project demonstrates creating a puzzle game where players trace paths between nodes to form magic glyphs that trigger a relay switch and release a magnetic lock—perfect for escape room designs. The tutorial covers hardware components, audio implementation, processing techniques, touch-enabled inputs, wiring instructions, and a comprehensive code walkthrough in the Arduino IDE. Ideal for makers interested in creating interactive electronic puzzles for escape rooms.