
Customizable input
TWO INPUT SLOTS SUPPORT VARIOUS DIFFERENT INPUT MODULES IN ANY COMBINATION!
And many morel Slots for input module has power and four I/O connected to MCU, two of them can be used as analog input. So, you can add any module limited by your imagination. Also DevBoy has extractor buttons which help easily extract input modules from slots.
Buttons
Four buttons, can has different cover: +shape or buttons
Encoders
Rotaty encoder with push button and one additional button
Joysticks
Analog joystick, two directions and push buttons
Exterior

Software
System Workbench for STM32

It is free STM32 integrated development environment
STM32CubeMX

A graphical software configuration tool that allows the generation of C initialization code using graphical wizards
FreeRTOS

Real time operation system allows use multiple tasks, semaphores queues and more
DevCore

Various additional libraries and tasks for serve display, touchscreen, input, sound and more