> Using an interrupt driven routine to do the timing for the
> LCD segments helps to keep the AC waveforms operating at the
> desired 50.0%   If the waveforms are off by more than a fraction
> of a percent, then the thin film electrode structure gets detroyed
> over time and the display would wash out.

When DC component is such a problem, why not stick C's in series?

Wouter

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads