I was asked to transform an old device into a connected device, to follow the usage of the device. As the device will be placed in a lot of environments and is battery powered, I chose to use the Sigfox network (see coverage).<br><br>Sigfox is an IoT network, that began in France but is now available in a lot of countries. It is based on an ATtiny2313A and the Wisol SFM10R1 on a breakout board (BRKWS01).<br><br>You can read the full blog post and get the source code here:<br><a target="_blank" rel="noopener noreferrer" href="https://www.iot-experiments.com/sigfox-sensor-node/">https://www.iot-experiments.com/sigfox-sensor-node/</a>