[sdiy] Rotary Switch -> illuminated PB w/ multicolor LED?

Vladimir Pantelic vladoman at gmail.com
Thu Feb 10 17:47:40 CET 2022

On 10.02.22 17:34, Steve via Synth-diy wrote:
> Vladimir Pantelic via Synth-diy:
>> rotary encoders with RG or RGB LEDs exists, you can cycle through 4
>> states maybe? (OFF + 3 colors for the RG version)
>> push switches with LEDs also exist, but the bicolor versions have
>> antiparallel LEDs, so no color mixing...
> some 5..6 years ago, I bought a bunch of rotary ancoders with both, RG
> (not B) LEDs and push button integrated.
> I got them from ebay... chinese make, but they also sold those
> (seemingly identical) at SparkFun.

The Sparkfun ones are made from Top-Up Industries in Taiwan and I have
used several thousand of them. so far they have held up, I haven't got
any returns due to that yet.

besides Top-Up, Bourns and Cliff also make them, but neither has a
threaded bushing for a front panel nut, so I don't use these..

> They used to work back then. They had positional "clicks" in them.
> Just a few years later, just form laying around, those "clicks"
> magically disappeared, and one of the A,B outputs would give a garbage
> signal, for every single of the 20 or so pieces I had bought.
> As if some material inside dissolved.
> Ever heard of such a thing?
> Since then I have been reluctant to buy such stuff again ... ;-)

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