Power & battery management

Until now I’ve been powering the water quality sensors via a USB cable either to an external power supply, or directly to my laptop for debugging. For the sensors to work in the real world they’ll need to have at least a day’s battery life if not a week to be useable. I can imagine […]

Upgrading The Things Uno RN2903 firmware

It turns out that it wasn’t only the range that might have been causing my connection problems to The Things Network – Andrew Sargent from OpenSensing spotted that in my logs the LoRaWAN RN2903 chip was reporting a firmware version 0.9.5 whereas the version needed to connect is 1.0.3 I’m on macOS, so ideally wanted […]