Rotary encoder to control volume or other “rotary-y” elements, plus a 6th input switch, i.e.MCU board – Arduino Pro Micro compatible board with Microchip ATmega32U4 AVR microcontroller.JC Pro Macro keyboard’s features and specifications:
Powered by an Arduino Pro Micro board, the keypad features five mechanical keyboard keys, and adds a rotary encoder, plus an optional I2C OLED display for debugging, and some I/Os to control external hardware like a fan. JC Pro Macro is another one of those compact USB keypads. But in recent years, we’ve noticed more programmable, custom-designed keyboards with more ergonomy, a built-in touchscreen display, integrated into a multi-function USB dock/hub, as well as tiny keypads with a couple of mechanical keys to speed up specific functions.
There was a time when people were happy to interact with their computer with a standard keyboard and mouse.
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