Need a macro keyboard for OBS Studio ? Here's a simple 64 button keyboard that is cheap and simple to build :

• 1 x arduino micro - uses the atmel mega 32u4 chip which can be presented to a PC as an USB keyboard
• 4 x arduino 4x4 matrix keypad
• 1 x micro usb to usb A cable
• 1 x printed case
• 4 x 1m of 18awg cables of different colors
• glue for the case
• 2,54mm male and female dupont crimping pins and houses
• SN-28 cheap Chinese crimping tool

Upload the provided sketch/libs and enjoy !