The wheels on the bus go round and round

…which may or may not affect the operation of our latest prototype. Only field testing will tell with any given degree of certainty. In late september, we were invited to a meeting with representatives from Telenor Reseach and the Northern Research Institute, which were on the lookout for mobile outdoors air quality sensors that could be mounted on bus rooftops in Tromsø, Norway. The sensor modules should be able to detect PM2. »

Raspberry Pi LoRa Gateway

“All things are difficult before they are easy”. I recently ordered a couple of RAK 831 LoRa gateways from China. If you already have a Raspberry Pi, you can get the gateway module for approximately 120 USD. If not, you can get a kit, containing the module, a raspberry, antenna and a prepopulated SD card, with the necessary drivers and software installed. This is slightly more expensive, but it saves you a lot of hassle. »