This is a circuit found in a 1970's Radio Electronics. The circuit works with virtually any triac that must match the load.
This 5 V x 8 A power supply was found in Siliconix documentation. The unit operates with a 24 to...
Found in a European magazine from the 90s, this circuit emits beeps that are several seconds apart to...
This circuit uses BCD switches to program the frequency to be divided. The circuit is from a Radio...