3 ms·
Battery powered home front gate sensor using an ESP-01s and MQTT. It's simple and I'm impressed that a single CR123A battery has lasted now 7+ months and still
by idatum 2y ago
Battery powered home front gate sensor using an ESP-01s and MQTT.
It's simple and I'm impressed that a single CR123A battery has lasted now 7+ months and still reading >= 3.1V.
https://www.idatum.net/remote-front-gate-sensor.html https://www.idatum.net/remote-front-gate-sensor.html