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How to wire a MOSFET? Answered

I have some CCFL's that i want to switch on and off with an Arduino like board. I think i have wired them up right but it doesn't seem to be working. I'm using the IRF530 MOSFET (data sheet here: www.rapidonline.com/pdf/47-0522.pdf) and i'm powering the CCFL's from an old PC power supply.


That's NOT a logic level MOSFET. You want an IRL 540.

Typical fet switch cct.

From www.picaxe.com a wonderful source of interfacing ccts.

make sure your FET can be switched with logic levels.