capacitor-alarm: an ESP32 clock that wakes you up by exploding a capacitor, three slots,OLED display
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capacitor-alarm: an ESP32 clock that wakes you up by exploding a capacitor, three slots,OLED display
It's an ESP32-based alarm clock that, instead of beeping, sends reverse voltage through a capacitor until it pops, and that pop is your alarm. Three slots, so it's good for three mornings before you reload it. It's got an OLED clock, a web UI, current-limiting resistors on each slot for safety, and it pulls the time over WiFi. The creator even ...
10.5K views2 months ago
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