I have; pin E to LED's positive pin
- negative pin of the LED is connected to a resistor and then ground.
- If I then leave pin C open and apply power to pin B it will turn the LED on,
It is supposed to not turn the LED on because there is no power to pin C?
This is a problem because;
I am trying to make an AND gate by connecting,
- the E to the C pin of another.
I am supplying power using a Arduino.
What might be my problem?
I have tried using 5v power and 3.3v power to see if I am overpowering it.
EDIT: Here is my circuit. I followed the suggestion and flipped the transistor and the LED still lit up when it should not have. Any other ideas? I also read some other questions and I think that I should not be using PN2222A transistors but instead use a 2n7000 transistor. If that is the case would this work https://www.amazon.com/MCIGICM-2n7000-n-channel-transistor-assortment/dp/B07BKX255D/ref=sr_1_17_sspa?ie=UTF8&qid=1523501912&sr=8-17-spons&keywords=2n7000&psc=1?