This timer circuit may be used to automatically switch off the interior car ligth. When the doors are closed, the light turns off with a delay of about twenty seconds. In order to protect the car battery, the lamp works Continua a leggere Car light timer
Two counter circuit. The first one drives Continua a leggere Counter circuits
PLC program of a 4 floors elevator with automatic doors, leveling speed, designed for educational purpose Continua a leggere PLC elevator program
This circuit turns on and off a relay when two resistors of a certain value are detected.