This circuit is from the 80's, using an integrated of the time. The circuit serves as a reference, as this type of dialing is no longer used today.
This circuit emits a warning sound when night falls. The circuit is from a Hands On Electronics from...
ST Microelectronics has, in its line of low voltage drop linear regulators, the KD1084xx (fixed) and...
This circuit multiplies the frequency of a signal by 100. The circuit was found in the October 1994...