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 Forum index » DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson
Roatary switch sources
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Wizard Mike



Joined: Jan 26, 2009
Posts: 52
Location: Charlotte

PostPosted: Tue May 12, 2009 8:21 pm    Post subject: Roatary switch sources
Subject description: Help please
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I was wondering if anyone could share some source/part numbers for some 10pos and 12pos non-shorting rotary switches? I'm having some trouble finding anything suitable/available. Thanks in advance.
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mark_olson



Joined: Oct 26, 2006
Posts: 177
Location: Lawrence, Kansas

PostPosted: Wed May 13, 2009 7:00 am    Post subject: Reply with quote  Mark this post and the followings unread

Mouser C6P0112N-A

And the chicken head knob that fits it: Mouser 690-2300

BTW, if you buy this switch, it is almost impossible to find information about how to set the number of positions; so I will tell you what it took me literally days of Web searching and fiddling around to figure out: with the nut and washer off, hold the body of the switch with the shaft pointing downward and tap the end of the shaft against the top of your work bench - not too hard because you don't want to do any damage to the switch. After a ridiculous amount of this taping (5 minutes maybe!) the metal collar with the non-turn lug (different than the non-turn lug on the body of the switch) will begin to slowly move out far enough that you can slip something small (I used a straightened and re-bent paperclip) under its edge and pull it all the way out Then you can re-insert the thing so the lug inserts into which ever hole is correct for the number of positions you want to use.

Good luck.

Mark

Last edited by mark_olson on Wed May 13, 2009 11:53 am; edited 1 time in total
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LetterBeacon



Joined: Mar 18, 2008
Posts: 454
Location: London, UK

PostPosted: Wed May 13, 2009 7:12 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks for that - I've been trying to figure out how to do that for ages!
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Wizard Mike



Joined: Jan 26, 2009
Posts: 52
Location: Charlotte

PostPosted: Wed May 13, 2009 8:36 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks for the lead!
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HermitSinister



Joined: Aug 29, 2006
Posts: 1
Location: Minnesota

PostPosted: Wed May 13, 2009 10:17 am    Post subject: Reply with quote  Mark this post and the followings unread

On the topic of rotary switches, does anyone have any experience with those from Futurlec? They certainly are cheap. $1 for a 1P12.
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Rykhaard



Joined: Sep 02, 2007
Posts: 1290
Location: Canada

PostPosted: Wed May 13, 2009 10:38 am    Post subject: Reply with quote  Mark this post and the followings unread

HermitSinister wrote:
On the topic of rotary switches, does anyone have any experience with those from Futurlec? They certainly are cheap. $1 for a 1P12.


If they're the plastic / etc. mounting case, be very careful with your soldering iron heat. That can melt the casing and possibly screw up the contact.

If they're the open frame ones, make sure that you have some Nu-trol (contact cleaner) some time later. I've had to clean my cheap open frame ones a few years later as they'd developed a mild corrosion that impeded contact reliability.

Outside of those 2 pointers though - there's nothing wrong with the cheap rotary switches. Smile
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