What is the voltage that the PNP transistors must switch ? Is it the same voltage that the Arduino runs at ( 5 volt or maybe 3.3 volt) or a higher voltage say 12 volts ?
What is the voltage that the PNP transistors must switch ? Is it the same voltage that the Arduino runs at ( 5 volt or maybe 3.3 volt) or a higher voltage say 12 volts ?