Key Button: clock, timer, day, h+(setting the hours), m+(setting the minutes), manual override, reset. Advanced pre-setting one week before. Digital electronic time switch with daily programs. Repeat ...

Key Button: clock, timer, day, h+(setting the hours), m+(setting the minutes), manual override, reset. Advanced pre-setting one week before. Digital electronic time switch with daily programs. Repeat ...

Designing a circuit to switch on a light at dusk and off at dawn is straightforward, and many such designs have been featured in EFY. However, lights controlled this way remain on all night, resulting ...