How to switch 12V with Arduino with Transistors or FETs

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TRONICLK
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How to switch 12V with Arduino with Transistors or FETs

Post by TRONICLK » Thu Nov 22, 2018 7:29 pm

So many people are asking this question, so I thought to create a topic to discuss about this. Here are the diagrams for both options.

NOTE: D4 and D2 LED symbol represent a LED set (series/parallel) which requires 12V.

1. Transistor
Transistor.JPG
Transistor.JPG (53.72 KiB) Viewed 22792 times
2. FET
FET.JPG
FET.JPG (47.34 KiB) Viewed 22792 times
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