PropB3 - DIY Hammond organ

Spikes · Joined: Feb 10, 2012 Posts: 14 Location: London, UK

I hear what you are saying Dan, but I'm trying to reduce the amount of projects I build and just concentrate on making music. So in order to reduce temptation, I'm looking for a pre programmed chip.

Mongo1 · Joined: Aug 11, 2011 Posts: 411 Location: Raleigh NC

I've got an old Hammond X5 that is in pretty dire shape. I keep wondering if I could replace the guts of that old girl with a couple of these. The trick would be figuring out how to deal with the drawbars. I'm not sure if it's even possible.

Gary

Dan Lavin · Posted: Thu Aug 22, 2013 8:46 am Post subject:

I see Parallax has introduced the Propeller Mini (#32150). It should be easy enough to use the new mini with a perfboard, a TDA1543 from ebay and a TS912 to replace the TS914 and a 6N139. You would need to buy or borrow the little Prop Plug USB programmer but this project just got a little easier (and smaller) to make.

grenert · Joined: Mar 08, 2014 Posts: 4 Location: United States

A bump for a great sounding instrument.
Using the Propeller Quickstart board it was a pretty easy weekend project. It eliminates the need for memory and power supply. All you need to add is the optocoupler, DAC and filter.
I have been so happy with the sound of mine! So much fun to hear the Leslie speakers speed up and slow down with the mod wheel. Cool