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Tap Tempo as an Expression Pedal Input for M9?

I don't think those tap tempo boxes will work, but you can make one that will work- I posted this in the M9 tricks thread a while back:


735297e2.jpg


b0c96d05.jpg



It's a momentary expression switch for my M9. It acts like using an expression pedal that is full toe down while you are are stepping on it, and heel down while you are not touching it.

So far- I've set it to engage the mix of a choppy tremolo to 100% while depressed, dry while not. Pretty cool for quick stutters. It's also a lot more accessible location wise, than the back row of my board, where the M9 lives.

Update: I have used a lot of different effect settings with this since I've gotten it. Another really cool one is the turntable effects I get with different delay times at each expression setting- pretty cool for doing quick stabs of sound effects.

Quick, non gliding pitch shifting is fun as well.

One more- cranked delay feedback- i guess that's a gimme though.

amfmsb said:
Sorry- i thought I mentioned that. Yeah, I did make it. My first home-made "pedal" ever (started testing my solderin' skills this year with custom cables- now this... watch out!).

I thought of the idea all by myself and figured somebody out there in Google land would sell me one, but no such luck. However someone else had also thought of it, AND made one, AND gave instructions AND provided this picture:

... located in this thread:

http://line6.com/support/servlet/JiveServlet/downloadImage/2-171303-12865/450-234/exp+pedal.jpg

What an awesome dude. His is actually a dual foot-switch box, one momentary and one latching.

I bought the parts at Pedal Parts Plus. It was about $20 shipped (They even included 2 Jolly Rancher). I used some speaker wire I had laying around the house.

The dude with the picture said it took him like 5 or 10 minutes. It took me like 25 or 30 or more- but I didn't even know what a resistor was before this.
 
Nope... I bought a Mini Tap Tempo pedal from loop-master.com thinking I could use it through the expression input on my M9. Unfortunately when I press it, it only sets the heel-toe points, but doesn't change the actual value of the parameter.

Maybe I could mod my new tap tempo pedal, but I don't know anything about electronics, so I'd really love a guide or some pointers on how to get a result like amfmsb's pedal above. :)