"Weight for It!" Escape Room Tech Puzzle

In this video, I'll show you how to use a load cell and an Arduino to create an electronic puzzle in which players have to place one or more items of the correct weight in order to release an electromagnetic lock. Documentation, code download, and wiring diagram available at   / 17288201   00:00 - 01:38 Intro and Demonstration 01:38 - 06:41 Component Explanation (particularly Load Cell and MagLock) 06:41 - 11:33 Wiring 11:33 - 29:36 Arduino Code 29:36 - 34:57 Calibration and Sensitivity 34:57 - 35:53 Wrap-up