Versatile 12-Hour Timer with Cyclic Option (Fully Assembled) (Special Deal)

This circuit is a useful timer with many applications. It features two modes of operation: 50/50 duty cycle and 1-shot. The timer is adjustable from a few seconds to a maximum of about 12 hours. In addition, it includes 5 fixed timing periods which are selectable via onboard jumpers. Supply voltage: 18V AC C.T. @ 100mA.