NEW GUIDE: John Park’s Secret Hollow Book Intrusion Detector @adafruit @johnedgarpark #adafruit
Build your own safe hidden in plain sight to store valuables — and rig an intrusion detector with Circuit Playground Express! This new guide will teach you how.
The guide will show you how to make your own hollowed out book, and then build a simple alarm with a Circuit Playground Express, or, even set up the Haven app on an old Android phone, just like Snowden would want you to!
Trigger warning: a book gets destroyed in this project.
Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7:30pm ET! To join, head over to YouTube and check out the show’s live chat and our Discord!
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