This post has nothing to do with ham radio but it’s an electronics project that may be of interest.
We bought a new car that turns out to be longer than the one we traded in, and parking it in our garage could be a potential problem (for both the car and the garage door) if it isn’t pulled in far enough. I wanted a better way to tell when the car was in far enough without using a sonar-based parking light (which I’ve found to be somewhat unreliable) or the old standby, hanging a tennis ball from the ceiling. I wanted a sensor to determine when the back edge of the car was past the garage door, and an indicator to tell when all is clear. Continue reading “Garage Parking Assist Sensor”