This wide range timer was found in the July 1994 issue of Electronics Now magazine. The circuit drives a relay and is powered by the relay voltage.
This circuit allows the use of two triggers (inverters or NAND ports connected in this way) to...
This circuit was found in a 1992 publication. Its purpose is to time the activation of a doorbell...
A fine adjustment of the output voltage of a power source is achieved with this circuit, which...