[BNM] [OT-ish] hardware hacker wanted

[Richard Vahrman]

Dave Phelan wrote:
> You know, sometimes I see a pile of old 5V TTL chips, and remember
> fondly when I used to be able to make things from them. You pull a
> modern bit of kit apart and it's all surface-mount this, multi-layer
> PCB that. No fun at all.
>
>   
Yes, I remember the old 7474 dual D type flip-flop and my introduction 
to electronics repairing my newly bought synth - the EMS Synthi AKS ( 
http://www.vintagesynth.com/index2.html )
I then went on, using their design, to build my own 4 part polyphonic 
keyboard controller all with TTL