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Arduino + Optical Switches?

Building organ consoles for use with Hauptwerk, adding MIDI to existing consoles, obtaining parts, ...
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Re: Arduino + Optical Switches?

PostMon Mar 25, 2019 12:28 am

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Re: Arduino + Optical Switches?

PostMon Mar 25, 2019 11:43 am

ARoss wrote:(Also frustrating to find opto switches in bulk).

I got mine (by the hundred) from here:

It looks as though the phototransistors are about to be discontinued though. Interestingly each pair costs about the same (30p) as they did when I posted my design (nearly six years ago) here:

I, and others here, have experimented with slotted photo-interrupter modules rather than discrete components, and even with reflective photo-detector modules. Both of these can usually be sourced on ebay quite cheaply. If going down this line I'd recommend getting a few first to see if they work for you before buying them by the hundred.


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