TRS footswitch
thingiverse
Original footswitches for my guitar looper are expensive enough, so I decided to make it myself. To repeat, you need 2 normally closed buttons (I used PBS-24-112 which can be normally open or closed depending on contact pair) and 1/4'' guitar input jack. Screws are M5 DIN965 50 and 55 mm with adapter nut DIN 6334 As a result - the cost is about $5.
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