Driving custom LCD glass with a PIC

ACharnley said:

My LCD will have 21 segments which begs the question whether to ditch multiplexing.

Click to expand...

So, is that 21 individual segments and a backplane pin? If so, use one of these. It directly drives 33 LCD segments with only a resistor & a capacitor as outboard components. Texas Instruments p/n MM5453N.

https://www.mouser.com/search/ProductDetail.aspx?R=0virtualkey0virtualkeyMM5453N-NOPB