I posted a while back asking if anyone had an inverter schematic that would make high logic pulses low, and vice versa. I got a response that work when I tested it with just and LED and switching it by tapping the high and low rails, but when I tried implementing it with my logic circuits, it didn't work. The LED I set up to indicate the state was extremely dim with no resistor, and it would not respond to signals I gave it. Is there a particular value of transistor that is appropriate for this task?
thanks
thanks