This circuit trips when the current in a load exceeds the programmed value that depends on Rx. The circuit is from the Radio Electronics magazine of June 1986.
This circuit was obtained from an old American documentation having a limited adjustment range....
The movement of the LEDs in this circuit mimics the back-and-forth movement of a pendulum, making it...
This circuit is from a 1967 documentation. It makes use of varicap and diode tunnel in addition to...