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This tutorial shows how to build an escape-room puzzle using LED candles, microphone sensors, an Arduino, a relay, and optional sound effects. It explains the wiring and Arduino code for detecting the correct blowing sequence, unlocking a magnetic lock, and resetting the puzzle.
Syllabus
00:00:00 - Introduction and demonstration
00:00:58 - Hardware overview
00:08:15 - Component wiring diagram
00:16:20 - Arduino code explanation
00:38:12 - Summary and wrapup
Taught by
Playful Technology