We found this circuit in an old documentation. Its purpose is to turn on warning lights when the vehicle in a garage touches or passes a sensing bar preventing it from hitting the wall.
In the original circuit a 40431 quadrac is used, but this is not a common component today....
September 2017 - Maxim Integrated is making available by Mouser Electronics the MAX2248, a power...
This Texas Instruments integrated circuit, available from Mouser Electronics, has a 91 dB common...