PicDude wrote:

> Hadn't factored in the internal protection diodes, thanks.
> I need to do this with 8 outputs, and only one OC output.  I started with a
> 2 transistor circuit (1 NPN + 1 PNP), but thought I could simplify it this
> way.

Yeah, or add a ULN2003/2803 ?

-- 
Ciao, Dario
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