by Robin Vincent | 5,0 / 5,0 | Approximate reading time: 1 Minute
Schlappi modules

Schlappi modules  ·  Source: Schlappi


Two new modules from Schlappi Engineering where we have a Swiss army knife of comparators and a CMOS-based 4-bit accumulator.


Dual Vector Foil

The Dual Vector Foil has all sorts of things. It’s got comparators, rectifiers, mixing and XOR logic. It’s the sort of thing that can inflict all kinds of changes and variation to modulations as well as offering a bit of stereo pulse width modulation and associated zaniness.

Each side looks pretty much identical, with some differences over the mode of outputs. You have three inputs on each side, and from there, you can pull out all sorts of outcomes.



Nibbler has a bit button that rules the binary controls. It’s a 4-bit accumulator made from CMOS chips. It uses binary to do clock and frequency divisions and can also generate stepped voltages in two phases. With a bit of shift registry flavour, it can come up with semi-random gates and stepped voltages at clock rate and give us a nice burst of modem noise at audio rate.

The DVF should be with us in June or July and the Nibbler will be along in the autumn.

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Schlappi modules

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