A Pi Pico and a PIR sensor module make up this simple burglar alarm. Shared by ROBO HUB on Instructables:
I have included all the step by step instruction on how to build this and also there is a working video and tutorial on this project given at the end of this post, Have a great build and suggestions for improvements are always welcome.
There are a ton of other fun Alarm projects on the Adafruit Learn System:
Trinket Bluetooth Alarm System –
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