Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...
These are some great DIY projects that you can do for cheap.
Radar, this project from [Mateusz Juszczyk] isn’t actually using radar. But thanks to the round LCD this desktop gadget does ...
Course project for an Embedded Systems class. The system combines a PIR motion sensor, two relay outputs, local push buttons, LED/buzzer alarm feedback, and a Blynk dashboard for remote control.
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