r/homeautomation 1d ago

PERSONAL SETUP My DIY radar speed camera: Mullet Edition—Business in the front, party in the back.

I've found a nice way to hide my radar speed camera on the street so I can start testing it. From the front, it just looks like every other slow down sign. In the back, is where the party is at.

I cut a small hole in the sign for the camera and attached it all (radar, camera, wifi, and solar panel) to the back. Of course the solar panel looks way out of place. Without it no one would ever see the radar unit, so I think I will power it with a long cable instead. Right now I'm using a second sign to hide it from the rear.

Performance wise, it's working far better than I expected. The radar has a range of about 130ft-180ft (about 40-55 meters).

Attached are 2 photos it took automatically. One is of a white SUV driving from left to right which is about 180ft away.

The second is a white sedan driving towards the camera, this car registered 14 MPH when the photo was taken.

I still need to figure out the best speed and timing for the photos to get the car much closer to the camera. A video would be nice but I think images will be easier to manage.

Of course this thing is nowhere near ready and still needs quite a bit more work. I'll open source everything in a few weeks once I fix some glaring problems. I'm also combining all the dev boards into one board, so it'll be about 3 times smaller than what you see in the photos.

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u/natemac 1d ago

Why do you need to hide it?

If I knew you were hiding a camera in my neighborhood I’d be pissed

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u/grumpy_human 22h ago

There are cameras all over your neighborhood already. The speed camera uses is dumb, but we live in a time of mass surveillance. If you are outside your home you should assume you are being recorded by someone or something.

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u/natemac 20h ago

It’s the difference of a doorbell camera and me walking a dog noticing a little tiny hole in a sign hiding a camera.

You know what would do better at slowing people down, an obnoxiously large camera and a sign.