This one isn't exactly an effect, but is used to control effects so sort of related, and @XLunacy thought it might be of interest here. I recently finished a custom MIDI controller:
More details on the thread here:
https://www.talkbass.com/threads/custom-midi-foot-controller.1647565/
More details on the thread here:
https://www.talkbass.com/threads/custom-midi-foot-controller.1647565/
