It is a variation of the Rungler from Rob’s big system.

8/16 bit shift register with different play modes. A good source for TWPres:
SR Length switchable for 8 bit or 16 bit.
Clock In and Data In = any signal. CLK should be faster than Data!
Stepps = 4 bit DAC CVout
Pulse, raw pulses direct from SR
Feedback mode : sparse or dense (SR need feedback, normally = dense it is a EXOR. In sparse mode it is a Flipflop)
((Turingmachine uses a rnd CV from Noise to feed SR, so it is easy to simulate it))

8hp / 40mm deep, 30mA
only silver front!