Uploaded August 2018 | Updated September 2026, 2 weeks ago

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This video tutorial explains how to create an electronic puzzle in which players must play a specific melody on a MIDI keyboard in order to unlock an electric maglock, as might be used in an escape room.

Timings:
00:00 - 02:24 Introduction and Demonstration
02:25 - 08:14 Component Explanation
08:15 - 14:23 Wiring
14:24 - 41:44 Arduino Code
41:45 - 43:40 Wrap-up

For wiring diagram, list of components used, and to download the Arduino code please see patreon.com/posts/21024440