How a Transistor connected to 12v and out 4.7v !!!!!!? Answered
I have a problem with a circuit i am building, I use a 2N2222 transistor to drive a Common Cathode big 7 Segment with a 595 shift register..
I connected a 12v to Emitter, the collector out a 4.7 volts !!
How is this possible ? could some one explain please ?