thonk turing machine expander kit (spirograph) price : $175.00
turing machine expander kit (sweeping arcs) price : $175.00

a full turing expander kit which includes every expansion available: pulses, voltages and backpack.

this kit includes everything you need to build a fully functioning expansion module apart from the tools and solder.

all electronic components required.
all mechanical components, pots (metal shaft), jacks, headers etc.
ribbon cable for connection to backpack module.
black davies 1900h clone knobs
rack screws

this module does nothing unless attached to a turing machine and backpack module. they are compatible with all versions of the turing machine, past and future.