This circuit converts 12 V to 127Vac to power small electronics in the car. It was found in the 1993 edition of the Electronics Experimenter Handbook.
This 3 and-a-half digit circuit was found in a Teledyne documentation from the 90s. The circuit uses...
Found in a 1990s Popular Electronics, this circuit produces a tone on a small speaker. The keyer...
This series sensor circuit is from 1995 Popular Electronics. The circuit can use any SCR and the...