B bhanu011 New Member Dec 22, 2009 #1 hi i'm using a 12v relay and and for switching a 2n2222 transistor (NPN) . When i'm giving 12v supply relay is activated without the control signal from the transistor some problem in the circuit please help
hi i'm using a 12v relay and and for switching a 2n2222 transistor (NPN) . When i'm giving 12v supply relay is activated without the control signal from the transistor some problem in the circuit please help