Summary

A foot pedal with a few extras.

USB interface. Defaults to "CTRL-C"
Adjustable spring tension
Adjustable height switch
Analogue potentiometer
Force/Haptic feedback with rumble
Daisy chainable
Configurable keypresses on push AND release
(e.g. You can end CTRL-C on press, and CTRL-V on release)
Powered by Teensy 3

This is a pretty simple foot pedal with a switch and analogue feedback. It connects to USB and emulated a HID keyboard.

Instructions

You will need:
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Some screws (TODO exactly what!)
A cocktail stick
A clothes peg
Super Glue
A "standard" size microswitch
A potentiometer
A Teensy 3.x dev kit
Soldering iron + solder
Wire

What to do
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Print all of the parts with 0.3mm layer and 20% infill.

1) Glue the pedal top plate to the bottom plate
2) Take the spring out of the peg. Give it a good unwinding to it is V shaped
3) Snap the cocktail stick to 25mm.
4) Put the spring in the underrside of the pedal and push the cockstail stick through the hole.
5) Glue the curved pot gear onto the pedal.
6) Take the base, and insert the potentiometer into the holder.
7) Screw the potentiometer into the holder and attach its large nut.
8) Slide the pot cog over the pot and glue in place. Before gluing make sure it will align with the pedal
9) attach the microswitch to the base using 2 screws
10) put a screw through the bottom of the base into the spring tensioner. Once it comes out through the top, place the pot cap on there
11) insert the optional rumble pack into the pedal bottom. Remember to peel the self adhesive tape
12) Solder all of the pots, switches leds and rumble packs to the Teensy. Make sure the Teensy is located correctly
13) screw the pedal into the the base
14) glue the front panel onto the base
15) atach the back panel with two M2 screws.

Software
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Download the software from the Git Tree
https://github.com/ginge/footpedal
Customise the keypresses
Flash the Teensy
optionally build the QT5 app to configure the pedal

Foot Pedal with USB