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Raspberry Pi Car Speed Detector

(gregtinkers.wordpress.com)
187 points mhss | 1 comments | 17 May 16 15:00 UTC | HN request time: 0.245s | source
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zodPod ◴[17 May 16 17:41 UTC] No.11715631[source]▶
From this, you need an LED sign in your yard "Your speed is: [speed] MPH and your car is being photographed"
replies(3): >>11716541 #>>11716850 #>>11718963 #
1. Perixoog ◴[17 May 16 19:58 UTC] No.11716850[source]▶
A camera flash also gets the message across.