I designed the circuit with the idea to use batteries without a voltage regulator, because they use current every time. The sensor board should stay in low power mode most of the time, so a Read More …

This is the first and unexpectedly working (!) prototype: It has a dimension of 80 mm x 80 mm. The strange shape is because a had a case in mind. Therefore, I had to align Read More …

I made my first IOT experiences with the ESP8266 with the ESP-Easy firmware. Therefore, I wanted to keep the hardware compatible. For performance reasons, I later switched to my own code (which I will publish in the Read More …