This timer was designed mainly to switch off a portable radio after some time: in this way, one can fall asleep on the sand or on a hammock, resting assured that the receiver will switch off ...

I am replacing an older timer, actually two, with newer digital ones. I picked a couple up from Home Depot and flipped the circuit breaker and went to town. Upon pulling the old timers out I see one ...

As 555 timer is robust, stable and most commonly used IC in the area of electronics and also use in many electronic circuits. This post gives an idea about 555 Timer IC pin diagram and its description ...