If you are searching for a fully featured USB programmable keypad for your PC you may be interested in the Adafruit MacroPad RP2040 starter kit which is now available to purchase direct from the ...
Kris Winer has created a pair of Arduino programmable Cortex M4F development boards which fully support the Arduino IDE via USB connections. The Butterfly and Ladybug STM32L4 boards have been designed ...