Re: [motm] Joystick
2000-04-12 by jwbarlow@aol.com
I'll take two!!!! Paul? Did you notice this? >Two bicolor LEDs for X and Y. I know Bradley did! See Thomas (DJ), there are more ways to do a joystick, then people on this list -- and I only sent you two! JB In a message dated 4/12/2000 4:01:33 PM, jhaible@... writes:
Show quoted textHide quoted text
>The Joystick module I've built some years ago for my JH-3 system >has the following features: > >CV Output jacks for X and Y, bipolar +/-5V each. >Two bicolor LEDs for X and Y. > >Four VCAs with inputs/outputs connected in "diamond shape" >with a variety of functions: > >(1) Mixing of 4 inputs into one output with 2 modes (see below): > 2-dimensional crossfading. > When only to of the 4 inputs are connected, the other ones are > automatically normalized to the negative (inverted) input signal > of the adjacent inputs. (Acting as a 2-dimensional reversible > attenuator) > >(2) Distributing one input to 4 outputs (2-dimensional or "quad" > panning) > Use this as "Azimuth coordinator" for a real Quad system, or > connect two of the outputs to the effect send of a true stereo > reverb in an ordinary stereo system. > >(3) "Mode" switch, applies to both (1) and (2): > a) normal panning / crossfade: When joystick is in center, > result is a mix of 50% X and 50% Y. > b) center zero: When joystick is in center, there is no output > signal at all. This means independent selection of 4 different > sources, for instance. > >I don't remember circuit details, but I think I found a way to do it all >with just a SSM2024 and 2p2t switches - kind of matrix connection. > >JH. >