The Onvis CS2 isn't just a contact sensor. With a 120dB siren, Thread support, and climate tracking, it's a 4-in-1 security ...
Whether it's replacing lost remotes or backing up access devices, these practical Flipper Zero tips are easy for beginners and unexpectedly useful.
XDA Developers on MSN
I built a $15 ESP32 smart clock that does things no store-bought one can
I programmed it with ESPHome, and it only took a few hours from start to finish.
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