Rick] had a problem. His garage refrigerator was tasked with a critical duty—keeping refreshing beverages at low temperature.

A year ago, I’ve design reviewed an MCU module for CAN hacking, called TinySparrow. Modules are plenty cool, and even more so when they’re intended for remaking car ECUs. For a while ...

Building sensors with ESP32 board is quite cost-effective ...

Thanks to jaromir-sukuba, and racerxdl for working on firmware to implement C2 protocol via arduino GPIO. This work largely pulls from them, as well as connorpp. C2 is a 2-pin protocol. Any arduino ...

PMB Tools is at the heart of several other firmware packages that provide for simple robust and rapid asynchronous IOT development on ESP8266 / ESP32. Firstly it "smooths out" differences in the ...