←back to thread

Raspberry Pi Car Speed Detector

(gregtinkers.wordpress.com)
187 points mhss | 1 comments | 17 May 16 15:00 UTC | HN request time: 0.236s | source
1. soared ◴[18 May 16 16:53 UTC] No.11723346[source]▶
I've always thought about attaching one of these to a longboard or bike with and LED readout so anyone behind me (or filming edits) could see the exact speed.