Gustaf J. Barkstrom wrote:

>Note also that I
>am not using a resistor between the PIC output pins and the Darlington array
>input pins.
>
>
>
>
This may be the problem, PIC output pin logic low level is close to 0,
so this is ok, but the logic high is 5V (for a critical example) and VBE
is close to 1V on darlingtons.

Hope this helps
Francisco

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