circuit for pwm fan control

Nigel Goodwin said:

That won't work either! ... Check my PIC tutorial 'Hardware Extras' ...

Click to expand...

spirosd said:

Nigel Goodwin said:

That won't work either! ... Check my PIC tutorial 'Hardware Extras' ...

Click to expand...

It's time for me to put on the 'D' cap and go and study in the corner! Thank you for pointing out your tutorial page.

TIP120 and TIP125 suitable for the PNP/NPN transistors?

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Nigel Goodwin said:

Those are high power darlingtons, you just need small signal transistors - personally I'd use BC107 for the NPN and BC177 for the PNP, but those are the ones I always use!.

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