This is a typical circuit for an old microwave oven. We took it from an August 1973 Radio Electronics magazine, from an article that taught how to make repairs.
We found this circuit in an English documentation from the 60s. The integrated circuits are the...
This oscillator that excites 3 LEDs sequentially is also called a circle oscillator. The frequency...
In this circuit from the 60s, the power supply is made with 22.5 V, which is the voltage of the...