Comment on Bike-mounted sensor could boost the mapping of safe cycling routesComments−jonesjohnson1yhttps://www.openbikesensor.org/ is pretty popular at least here in Germany. It's a bit bigger and works with ultrasonic distance measurement. Apart from that (and some other features) it's basically the same idea...
Comments
https://www.openbikesensor.org/ is pretty popular at least here in Germany. It's a bit bigger and works with ultrasonic distance measurement. Apart from that (and some other features) it's basically the same idea...