hi all I have a problem in a design a circuit for a driveway to a basement of a building I put 2 approach sensor one in each enter down and upper of that duilding and build 2 timer circuits one for each .The system must be only work one circuit when sensor detect the other must be off I used a multi relay for that but when the time is finished the bounce active again the other circuit doing a false signal. thanks for your answer
Daniel
Daniel