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Old 10-03-2007, 01:50 AM   #1
Used666
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DIY Tap Tempo Switch (tutorial + pix)

So i wanted to get a tap tempo switch for my newly acquired Boss Rc-2 but after looking into the boss ones i decided they were too expensive and i could just make my own. Heres a quick rundown and short tutorial as to how i made a tap tempo switch for my rc-2.

Simple things you'll need are :

-SPST Momentary Switch (normally open)-I got mine from radioshack http://www.radioshack.com/product/i...rentPage=search
-Mono Jack-Again radioshack http://www.radioshack.com/product/i...rentPage=search
-An enclosure (i used this random square piece of plastic that worked perfectly, most anything sturdy will work)
-Simple tools including : Soldering iron/solder/wire cutters/2 small pieces of wire (i used wire from smallbearelec.com)

Really all you have to do is solder each lug of the switch to a different lug of the jack. All i did was tin the parts, populate the enclosure and solder them together, it really is that easy. The closing of the signal sets the tempo when you hit the momentary footswitch. Now i know its not rocket science but i figured someone would benefit from this and save upwards of $50 or more on un needed tap tempo switches of which are bulky as well. Heres some pix of mine compeleted. Enjoy :thumb:



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Old 10-03-2007, 02:44 AM   #2
Wyld Stallyn
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That's really cool, how small it is and everything. It really needs to be full of red LEDs though...
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Old 10-03-2007, 05:12 AM   #3
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Nice one. I may add this to the tutorial thread if you don't mind? It'd help out a lot of new builders.
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Old 10-03-2007, 11:21 AM   #4
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Brilliant idea, that'll save loads of money and it looks cool too
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Old 10-03-2007, 02:00 PM   #5
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Thanks guys, feel free to add it to the tutorial section
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Old 10-03-2007, 02:02 PM   #6
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I've done a similar footswitch to my amp... saves money as hell
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Old 09-20-2008, 11:49 PM   #7
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I registered so that I could add to this thread. I'm thankful to the OP for the tutorial, but I have one thing to correct.

I made a dual tap tempo and a single based on this design, using the same Radio Shack parts. It turns out that the Boss RC-2 (which I have) and others (like the ME-50) actually operate using a normally closed circuit. When you hit the tempo it breaks the circuit. So you're actually operating these pedals backwards. Radio Shack does make a Normally Closed switch, but it's a tiny little thing, and may not be foot-friendly.

Digikey sells some NC switches:
http://search.digikey.com/scripts/D...ame=360-2302-ND
There are others if you dig on the site. You want a Switch with a function "on-mom" If you search for "on-mom" you'll find things that will work. More expensive than the Radio Shack one listed here, but there's an important difference.

The reason this is a big deal - well, there are a couple of reasons. Take the RC-2 for example. Using a single tap tempo you can set the tempo fine using this switch, but when you stop tapping the device thinks you're holding down the switch. On the RC-2 this means that after two seconds it will erase your temporary loop that you maybe just did. In effect setting the tempo using this switch doesn't really accomplish anything because as soon as you stop tapping it erases what you just did. Then when you go to record your loop it guesses your tempo anyway, as if you never set the tempo in the first place.

If the switch you need has only one function (like the switch to turn off and on the compressor on the ME-50, for instance) either switch will work just fine. But if it's multi-function, with some functions being tap and others hold, the distinction is pretty huge.
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Old 09-21-2008, 01:14 AM   #8
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^Very interesting, never would have thought of that.
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Old 09-21-2008, 09:49 AM   #9
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Interesting. So basically as soon as the tip is not grounded, it thinks you're done setting the tempo? Cool, I wanna see a schematic of one of these pedals.
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Old 04-22-2009, 11:51 PM   #10
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Mint Tap Tempo

I decided to build a tap tempo using similar parts and a Barkley's Mint Box. Tell me what you think!
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Old 04-22-2009, 11:54 PM   #11
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Make your own thread.
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Old 04-22-2009, 11:56 PM   #12
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^lol @ the mints still in the case

..but you probably could have started your own thread instead of bumping this dead one..

edit: damn you and your quicker typing, jim!
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Old 04-23-2009, 12:00 AM   #13
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Holy crap, it is dead. In that case, *REPORTED* for necro bumping.
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Old 04-23-2009, 12:49 AM   #14
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You know, I'm not the end-all authority on the subject, but I dont think he should be reported-- he had something related, useful, and cool that made sense with the original post.
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Old 04-23-2009, 12:51 AM   #15
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I already reported him. It was thread jacking anyway. Ah well. The mods are human. They can choose not to warn him.
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Old 04-23-2009, 12:56 AM   #16
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Yeah. Not trying to start a fight or anything, just showin some mercy to the new kids on the block.
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Old 04-23-2009, 01:04 AM   #17
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...maybe I should look at join dates, too...
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Old 04-23-2009, 01:13 AM   #18
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Originally Posted by Invader Jim
I already reported him. It was thread jacking anyway. Ah well. The mods are human. They can choose not to warn him.

meh, i never really warn people for necro-bumping. usually just close the thread if the post isnt relevant. this seems ok though, its close enough to the original topic and this thread is kinda useful anyway.
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Old 04-23-2009, 04:41 AM   #19
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necro-bumping shouldn't be reported solely because the dude obviously used the searchbar to get his info instead of starting a new thread.

good call at keeping the mints in the box!
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Old 04-23-2009, 05:46 AM   #20
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Originally Posted by noisefarmer
necro-bumping shouldn't be reported solely because the dude obviously used the searchbar to get his info instead of starting a new thread.

good call at keeping the mints in the box!


I agree, searchbar & old threads is better than new threads of the same stuff over and over again.
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