ChipsHackadayabout 5 hours ago
A Custom Zigbee Touch Keypad
2 min read
A custom Zigbee touch keypad was built using an ESP32-C6 microcontroller and an MPR121 capacitive touch controller. The device runs on a 1300 mAh lithium-polymer cell with a six-month battery life. It avoids cloud dependency and uses PCB-printed number labels.
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