Optical hihat controller

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Re: Optical hihat controller

Postby jman 31 » Tue Dec 09, 2008 12:38 pm

Please keep us informed on how you do it. I think the optical route is definitely the best way. I will do one when I build my Megadrum. The Alesis module that I have doesn't support a variable hat.

Dmitri, do you have a schematic for the one you built? This thread has got me interested. I had read about that optical controller on the eDrum website, but like elrules I wasn't sure if it was variable or not.
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Re: Optical hihat controller

Postby elrules » Tue Dec 09, 2008 12:43 pm

Yep, dmitri, could you post your built schematics and part list?
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Re: Optical hihat controller

Postby jman 31 » Tue Dec 09, 2008 1:11 pm

elrules, I just had another even simpler idea if you are doing an acoustic conversion. Instead of using the hinged apparatus in my other post you could simply put the optical sensors on either side of the center bar, and put an optical barrior on the bar itself. You may get too much movement from this idea though now that I think about it. Oh well.
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Re: Optical hihat controller

Postby dmitri » Tue Dec 09, 2008 1:52 pm

I'll post the schematic and some photos later tonight.
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Re: Optical hihat controller

Postby dmitri » Tue Dec 09, 2008 5:48 pm

This is the schematic:
opto.png
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Re: Optical hihat controller

Postby dmitri » Tue Dec 09, 2008 6:42 pm

And the pictures:
p1.jpg

p2.jpg
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Re: Optical hihat controller

Postby scilence » Tue Dec 09, 2008 8:00 pm

Hows it seem to work?
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Re: Optical hihat controller

Postby dmitri » Tue Dec 09, 2008 9:31 pm

It works fine.
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Re: Optical hihat controller

Postby scilence » Wed Dec 10, 2008 6:36 am

built it love it works great i stuck it in my sons rock band pedal :lol:
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Re: Optical hihat controller

Postby Xmattz » Wed Dec 10, 2008 9:24 am

It looks very simple and good but I was wondering if it is not influenced by external light. Don't you need to insulate the photoi sensor from ambiant luminosity ?
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