How can I use a PNP Transistor as a switch? - General Electronics - Arduino Forum
PNP transistor can't off, help appreciated ty! - Project Guidance - Arduino Forum
Help] Should I use an NPN or PNP transistor to switch positive side of a bunch of common anode seven segment displays? Why is one better than the other? Thx! : r/arduino
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How can I use a PNP Transistor as a switch? - General Electronics - Arduino Forum
PNP transistor as a switch
Arduino refuse to switch PNP Transistor. - General Electronics - Arduino Forum
NPN transistor as switch - General Electronics - Arduino Forum
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Arduino Transistor (NPN/PNP Switch) Tutorial
PNP transistor can't off, help appreciated ty! - Project Guidance - Arduino Forum
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