Time-Controlled Switch Using PIC16F72

A time controlled switch is an automatic timer switch that turns an appliance ‘on’ for the desired time duration. After the preset time duration, the timer automatically switches off, disconnecting the appliance from the power supply. The time duration for which the appliance should be ‘on’ can be set from 1 to 99 minutes. This switch obviates the need to continuously monitor the appliance—an advantage over ...

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