But fear not, for [dekuNukem] has found the solution with Daytripper. This wireless laser tripwire communicates back to your computer using NRF24 (2.4 Ghz on the ISM band) and can be used to ...
[Ronnie] built a laser trip wire complete with an LCD screen and keypad for arming and disarming the system. The brains of the project is an Arduino. There’s a keypad for inputting pass codes ...
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