P.I. Engineering X-keys USB 3 Switch Interface X-keys®

X-keys USB Switch Interface with 3 ports for wired switches to trigger any command on a computer.
Features Up to three switches via 3.5 mm TRRS port with optional adapter Connects to any USB port just like a USB keyboard Compact - smaller than a pack of chewing gum Accepts 3.5 mm mono, stereo, or TRRS plugs Any contact closure can be converted to a USB HID command Choose from our selection of hand or foot operated switches or use your own Any switch can trigger an action on your computer. Any keyboard shortcut your software uses can have a designated switch (start, stop, next, save). Switches are easily set up to launch applications, open files, or type short lines of text like names, addresses, and account numbers.

Features, 6 dual switch ports (12 switches with optional splitter cords), Connect to the USB port just like a USB keyboard, Convenient mounting

USB 12 Switch Interface

Raspberry Pi 4 X825 2.5 inch SATA HDD/SSD Storage Expansion Board, X825 USB3.1 Mobile Hard Disk Module for Raspberry Pi 4B - AliExpress

Commercial grade foot switches to work with the X-keys USB 12 Switch Interface and USB 3 Switch Interface. Hinge in front design allows a foot to rest

Yellow Commercial Foot Switch

X-Keys USB 12 Switch Interface by PI Engineering : ErgoCanada - Detailed Specification Page

The X-keys XK-3 USB Switch Interface features 3 dual switch ports in a compact, low profile footprint. Easily convert any switch closure to a keyboard, multimedia, or mouse command. Switches are easily set up to launch applications, open files, or type short lines of text like names, addresses, and account numbers.

X-keys USB 3 Switch Interface

P.I. Engineering X-keys USB 3 Switch Interface X-keys®

The X-keys XK-3 USB Switch Interface features 3 dual switch ports in a compact, low profile footprint. Easily convert any switch closure to a keyboard, multimedia, or mouse command. Switches are easily set up to launch applications, open files, or type short lines of text like names, addresses, and account numbers.

X-keys USB 3 Switch Interface

P.I. Engineering X-keys USB 12 Switch Interface X-keys®

P.I. Engineering X-keys USB 3 Switch Interface X-keys®

PI Engineering X-Keys -- MacroWorks Text Feature Overview

Our largest X-keys USB controller with dedicated keys for Telestream Wirecast 9 and newer. The control surface comes with pre-installed keys for

XKE-128 Wirecast Control Surface by X-keys

XK-3 USB SWI, USB 3 Switch Interface, P.I. Engineering

X-keys and Big Sur - Questions & Suggestions - Keyboard Maestro Discourse

Anyone with MantisTek GK2 keyboard - stop using it, it has a built in keylogger. : r/pcmasterrace