maybe another solution... maybe, if not, broke my legs... again 
try it first. Place a 10K resistor between Vout and VO, on Vo place a 1K resistor in serie. Now send the other resistor end to 5 Volt. What happen with the contrast?
If i'm not dumb it should do something. If so, in serie with the other 1K resistor, place a diode in serie. Anode to PIC, cathode to resistor end. Is it working? I have some doubt on that so far... -voltage against 0V and 5 Volt+diode plah plah. I really need to return on a bench... feel rusty here!
Last edited by mister_e; - 29th May 2006 at 15:19.
Steve
It's not a bug, it's a random feature.
There's no problem, only learning opportunities.
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