I already covered the impressive LPWAN LoraWAN technology with a proof of concept remote air quality monitoring unit based on the BME680 from Bosch and the RN2483 from Microchip, in a previous post. The device, capable of measuring temperature, humidity, pressure and VOCs can run for months on a single cell battery, thanks to the low power LoraWAN communication solution. It can send real time data on distances up to…