This circuit was found in an American documentation from the 90's. What it does is provide at the output a voltage that is the average of the voltages set for the inputs.
This circuit intermittently activates a relay. It was obtained in a 1980 publication. In fact, we...
Suggested by a Popular Electronics, this small amplifier that has a detector to follow RF...
This source gently applies the voltage to the load, causing it to rise slowly, thus avoiding...