This well-designed bistable configuration is for educational purposes. We found it in the September 19873 Radio Electronics magazine. The transistors are types from that time.
We found this circuit in an old documentation from the 70s, but it can be assembled with more...
This circuit controls a fan in the car, according to the temperature, activating it automatically when the...
This circuit was obtained from a 1967 General Electric documentation. The circuit makes use of...