Second Keyboard for Macros : 3 Steps - Instructables
QINIZX USB Mini 4-Key Keypad One-Handed Mechanical Gaming Keyboard Programming Macro Pad RGB Keypad for Windows Mac OSU HID Standard Keyboard, Cherry Shaft, Hot Swappable Switch with 1.5m USB Cable : Amazon.ca:
Koolertron 24 Keys Programmable Keyboard,One Handed Macro Mechanical Keyboard, RGB LED Backlight Red Switch USB Portable Keyboard with Fully Knobs, 24 Keys Macro Pad for Gaming Office Work Editing PS : Amazon.ca: