[sdiy] Rotary encoders: is there a clever way to handle many?

Nils Pipenbrinck n.pipenbrinck at hilbert-space.de
Mon Aug 10 14:22:41 CEST 2015

You can get small FPGA like the Lattice ICE40 chips for around 2$ these
days. They aren't quite small but they have enough logic and IO to
decode 12 rotary encoders and provide a nice SPI or I²C to interface
with a microprocessor.

That's how I would solve this these days.


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