Search found 2 matches

by ke9tv
Mon May 03, 2010 10:03 pm
Forum: Exhibition
Topic: New 4bit LCD library
Replies: 7
Views: 10957

Re: New 4bit LCD library

I do wish I'd known about your improved library when I started my Allen organ project. In any case, I wound up working out the whole initialization sequence by myself - including the bit about tying DB3 to logic high - without having any of that stuff in the HD44180 data sheet that I had. http://dft...
by ke9tv
Mon May 03, 2010 9:53 pm
Forum: Exhibition
Topic: Civilizing a 1971 church organ
Replies: 0
Views: 5006

Civilizing a 1971 church organ

I realize that I never posted last summer's fun project here, and considering that it uses two RBBB's, I figured that at least the Modern Device folk might be interested. Last spring, I went out and bought a nearly-40-year-old electronic church organ. It was enough of a period piece that its voicing...