[sudo-discuss] current limiting with microcontroller & transistor

[robb]

hmm, ok, thx
i haz some darlingtons but i'll look for some FETs

On Mon, Feb 25, 2019 at 12:02 PM Jake <jake at spaz.org> wrote:

> if you use a FET you can put a resistor in series with the source to
> ground,
> amd the 5v gate drive coming from the microcontroller will be lessened by
> the
> resistor voltage drop.  we can look at it tomorrow night if you want.
>
> On Mon, 25 Feb 2019, robb wrote:
>
> > anybody haz a circuit diagram that limits current through a transistor by
> > means of adjusting the duty cycle of a microcontrolloer
> (arduino/esp8266)?
> >
> > seems like all the diagrams i can find use a current sense resistor & not
> > the mcu
> >
> > thx4haxing
> >
>
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