Using NPN transistors, this circuit activates a voltage relay according to the power supply. The circuit was found in the October 1993 issue of Radio Electronics magazine.
Shield Darlington NPN (CB25612E)
- Details
- Written by: Newton C. Braga
Using NPN transistors, this circuit activates a voltage relay according to the power supply. The circuit was found in the October 1993 issue of Radio Electronics magazine.
