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 an American documentation from 1977. In it we have the way to use an...
This circuit is from a 1986 Revista Española de Electrónica. It consists of an amplifier with...
This circuit, which uses a planar silicon sensor, is from a 1964 Electronic Design. The component...