When HN users recommended it
1 HN user recommended this in 2022, in one comment.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
1 HN user recommended this in 2022, in one comment.
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
Well, you can still do it. You just have to dig a little for the code. And you can use Active radar. Commercial radar guns that are available for consumers, so there must be frequencies allocated to use this legally
https://www.amazon.com/Bushnell-101911-Velocity-Speed-Gun/dp...
(though if you build your own device, it won't have specific FCC certification, but if you operate with in the same parameters -- frequency and power -- you're extremely unlikely to be noticed or penalized.)