This user joined on 07/26/2014.
A microcontroller-based digital room thermometer plus hygrometer that displays temperature and relative humidity on 4 large (1 inch) seven segment LED displays which adjust their brightness level according to the surrounding illumination.
This is a programmable digital timer switch based on the PIC16F628A microcontroller. It can be programmed to schedule the on and off operation of an electrical appliance. The appliance is controlled through a relay switch.
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