We found this circuit in a 1997 documentation. It is possible to automatically reverse the direction of rotation of a three-phase motor. The circuit uses WEG timers and contactors.
We found this circuit in a Popular Electronics from the 80s. It is a game of reaction speed for 3...
The integrated circuits used in this 1989 project are uncommon today, including the IF coil that...
This circuit is used to detect the water level in a reservoir. It triggers the charge when the...