> One PNP transistor, (high side) and 3 resistors.
> Connect the resistors as a 3 section voltage
> divider so that when digital pin is at 5v the
> voltage across B-E is only about 0.4v. When the
> digital pin goes low the voltage B-E rises to
> about 0.8v and PNP turns on. :o)
> -Roman


Thanks for your reply.
But I can't understand what you means '3 section voltage divider'. Could you
please point me how to connect the resistors.

WH Tan

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