Macro keypad (4x4)

Small numpad sized keypads to provide access to macro functions and rotary encoders.

Thomas

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QMK based macro keypad.
USB-C connector.
Two rotary encoders.
Per key LED control (16 channel PWM).

keypad_macropad.pdf Adobe Portable Document Format - 723.88 kB - 01/06/2020 at 03:55		Preview

1 × STM32F103C8 (128kB) or GD32F103C8T6 (64kB) Main microcontroller
1 × MBI5043GP 16-channel, 16-bit PWM LED controller, single color.
12 × Kailh or Cherry MX style switch, PCB mount preferred (plate works but not as sturdy) Many options in this footprint (brown, red, speed copper, pro purple, etc.)
4 × 6mm tactile switch
4 × K2-1107ST-A4SW-06 Two pin tactile switch, 6.1x3.6mm, common on ebay