Why did nobody tell me…?

Well, several melted microchips, a burnt finger, a bunch of messing about with a multimeter and a lot of googling later, I have a question…

Why did nobody tell me that you need a resistor on the base on a transistor to prevent rather large amounts of current flowing.

Oh well, I guess I’ve learned something for next time - PICs don’t like having 200mA or so pulled through their pins.

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