Tagged Questions

1
vote
2answers
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LCD Multiplexing: Segment Off Voltages

I am reverse engineering a LCD (this is a raw bit of glass, i.e. no controller) and trying to understand the signals... there are 16 lines of which 4 are backplanes and 12 are segment lines. The ...
5
votes
2answers
693 views

Methods to drive a multiplexed LCD with logic-level signals?

I've used such a technique in a couple of the products I've designed, but I've never seen anyone else do so. It's possible to drive a 3-way multiplexed LCD using a bunch of 74HC595's to generate an ...