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Mac OS Foot Switch from a Guitar Amp Pedal.

Step 2Solder the Jack

Solder the Jack
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The jack (and corresponding plug) has three connection points: Ring, Tip, Sleeve. You need to solder a wire onto each of the connectors. Make the wires different colors just to stay sane.

The Sleeve (attached to the black wire in my photo) is the common line running to each of the switches on the pedal. If we give it (the black wire) a voltage, switch #1 will turn on/off the Tip wire (green in my photo). Likewise, switch #2 turns the Ring on and off (yellow in my photo).

If you get confused (I kinda did) just solder a different color wire onto each lead on the jack. You can use a volt meter to test for continuity (or wire it up to the breadboard with an LED on it) to figure it out. I kinda looked at each lead and figured out what part of the plug it actually makes contact with.
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Author:aymans
I'm a research scientist at Yahoo! I like making stuff.