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SOLVED] - LED Driver by using PNP transistor | Forum for Electronics
![SOLVED] - LED driving with 2 BJT's Current Source Circuit | Forum for Electronics](https://i.imgur.com/4e9sk.jpg "SOLVED] - LED driving with 2 BJT's Current Source Circuit | Forum for Electronics")
SOLVED] - LED driving with 2 BJT's Current Source Circuit | Forum for Electronics
NPN with no base resistor to drive an LED from a GPIO
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Transistors - SparkFun Learn
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