Bikedar started out as an ambitious RADAR project for tracking speed and distance to other road users while cycling. I got as far as a working CW doppler RADAR with a home-made on-PCB antenna, but have not yet got FMCW working for distance tracking.
radar update: took a diversion to write the entire firmware in Rust, but now have simple Doppler mode working pic.twitter.com/VaVXdZOEtR
— Adam Greig (@adamgreig) June 11, 2017