> If you want soft-start for those yard lights, one easy way to obtain
> it would be to put an RC low pass filter between the MOSFET gates and
> the PIC pin doing the control; something with a time constant of a few
> hundred milliseconds or so.

I did this on a promotional thing that had lots of flashing lights. It
worked really well. With around 50 bulbs and startup current being
10 times the nominal value, it saved heaps in power supply cost.

Steve.

======================================================
Steve Baldwin                Electronic Product Design
TLA Microsystems Ltd         Microcontroller Specialists
PO Box 15-680, New Lynn      http://www.tla.co.nz
Auckland, New Zealand        ph  +64 9 820-2221
email: steveb@tla.co.nz      fax +64 9 820-1929
======================================================

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