via The Human Comparator
"The classic Touch Activated Keyboard Sequencer from Serge Modular Music Systems. Contains a set of 6 different circuit boards, 1 x main, 4 x pot mounting boards and 1 x touch strip. It also comes with a silkscreened aluminum panel and the hard to get IC MM74C150."
The Human Comparator is the man behind the TTSH ARP 2600 clone.
Some initial info from Muff's:
"Preliminary information can be found here.Wiring has been simplified by mounting all the pots to 4 different PCBs.
I'll make kits during the spring (So this'll happen sometime in April/May I think) and sell in the shop. The price will probably be something like 3000 SEK, but I haven't checked with suppliers and stuff yet.
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Text from www.serge-fans.com
Touch Keyboard Sequencer (TKB)
This little miracle is a 16 stage sequencer with 4 layers, five simultaneous outputs, sixteen capacitive touch-sensitive keys. It is a sequencer and performance keyboard rolled into one. A four-stage vertical sequencer steps through each of the four layers, allowing sequences up to 64 steps in length. The Reset input brings the sequence back to stage 1. A switch and trigger input allow the sequence to go forward or reverse, a hold input stops the sequence. A random select input randomly selects from the sixteen stages. Sequences can range from 2 to 16 steps, or multiples of 4 through 64 (8,12,16,20..) steps. The capacitive keys have a pressure output that produce a voltage proportional to the key area your finger covers. A separate KV output provides an equal-tempered voltage (16 equal steps) which is independent of the stage setting pots. A KEYBOARD switch lets you select each 4-layer stage with the keys or disconnect the key selection of the stages.
Pro: Extremely versatile. You can explore this sequencer for years and not exhaust what it's got. Can be clocked at audio rates. Easily chained to other (Serge) sequencers. The Pressure output is very nice, especially in conjunction with attenuators to make the pressure touch effects more subtle.

















































