This is a simple circuit named 555 Timer IC Testing circuit which helps in testing a circuit using 555 Timer IC.This is a simple circuit named 555 Timer IC Testing circuit which helps in testing a ...

The function of the 555 timer is mainly determined by two comparators. The output voltage of the them controls the state of the RS flip-flop and the discharge tube. It also contains 3 working states.

There was a time though when a flashing LED was something of a big deal, so much so that National Semiconductor produced a dedicated chip for the task. The LM3909 boasted the ability to flash an LED ...