Cheap DIY USB programmable mini keyboard based on STM32F401 microcontroller (with source code)

I made a homemade USB keyboard with programmable key combinations and touch buttons based on STM32 microcontroller. The link to the source code of the firmware is below in the description.

Some electronic parts from this video:
STM32F401CCU6 Development Board:
https://ali.ski/f5Rt-f
https://ali.ski/r9r5zQ
https://ali.ski/AIwxbB
https://ali.ski/FvDeWg

TTP223 Touch Key Switch Module:
https://ali.ski/KOHdv
https://ali.ski/MVgwR
https://ali.ski/xEQMB1
https://ali.ski/40uYh-
https://ali.ski/6n-2G-

Capacitive Touch Button With LED:
https://ali.ski/IIsRk
https://ali.ski/J-Lgl

Some ready macro keyboards:
https://ali.ski/KAMP-J
https://ali.ski/W1HsDq
https://ali.ski/pIkRc
https://ali.ski/48iOZ

Source code of my firmware from video:
https://nanoslavic.com/downloads/nyam...

Some links are affiliate
I created the voice with AI because I don't speak English very well
#MacroKeys #GamingKeyboard #STM32 #Programming #Arduino #DIYElectronics #ElectronicsForBeginners