Posted in Tech Hacks Tagged ble, bluetooth low energy, cadence, cycling, ESP32, micropython Post navigation ← 3D-Printed Macro Pad Ditches The PCB With Slick Wiring Guides ...

There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network… ...