Fed up with door dingers damaging your car? How about a dashcam that captures video of them doing it?
Tesla has a feature called “sentry mode” that does this, but it’s got issues and you need to buy a Tesla. But maybe something similar/better can be made with a Raspberry Pi.
Connect 4 USB cameras, front, rear and both sides of the car. Write some software to capture video to SD card.
Main problem is power consumption. In sentry mode you need to capture images at say 1 fps, and switch to proper recording mode when some activity takes place. Maybe there is a better way, like using an accelerator to detect stuff hitting the car, but would it be good enough to notice door dings and scrapes from keys etc?
Can’t just throw bigger and bigger batteries at the problem, because they have to be recharged. If your commute is only 15 minutes then you need to charge enough in 15 minutes to run for 8+ hours.
Any ideas or comments welcome!