Garage car detector without a microcontroller

At the end of this instructable you will be able to detect your car as it approaches the wall inside your garage, signalling you that the car is inside far enough so you can close the door. Most car sensors will use a microprocessor to help calculate the distance of an approaching car when entering the garage. At our Wichita, KS makerspace MakeICT, we received a bag of components from JAMECO, which contain ...

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