This compact power supply can be used on the workbench for up to 1 A load. The transformer has 1 A secondary current. The integrated circuit must be mounted on a heatsink.
This circuit allows the coding of several relays from coded keys that must be activated, according to...
In this circuit the relay triggers on when light falls onto the sensor, a common LDR. Power supply...
An irregular signal can be converted into a pulse of duration determined by the switching...