Driving a Simple Character LCD

Character LCDs seem less of a craze and more of an old technology these days, although I’ve still got a soft spot for them (much like I do for valves and tubes). I can recall when everyone that was modding PCs wanted a small 18-by-2 character LCD modded into their case. I remember the details quite well: more often than not I was the one doing the wiring jobs for them. There were many nights spent cutting up parallel port cables and wiring them into the little LCDs. Then everyone watched in joy as I would write some simple characters to prove that the LCDs did in fact work. After all there was something ...

Get Practical Raspberry Pi now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.