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STeMCell STM32F411 Controller USB Type C

STeMCell STM32F411 Controller USB Type C

Regular price €15,95 EUR
Regular price Sale price €15,95 EUR
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STM32 breakout in promicro footprint with USB-C connector. Designed for use in custom mechanical (split) keyboards, but many other uses are possible.


  • Version: 2.1.0
  • Pro micro footprint
  • STM32F4x1 series MCU
  • Support half duplex USART communication in any of D0, D1, D2, D3 using jumpers
  • Onboard switch to enable/disable USB DFU bootloader
  • Inbuilt TX pullup for UART half duplex communication
  • User LED on PA8
  • Extra 5 pinout on bottom like Elite C
  • Supports QMK and ZMK 


You have a few options for putting the STeMcell into flashing mode

  • Short RST and GND pins on the controller itself
  • Double tap the physical reset switch on the keyboard pcb itself
  • Use the QMK reset keycode


33.7mm (H) x 18mm (W) x 3.2mm (H)


1 x STeMCell STM32F411 USB Type C Controller


This controller is designed by megamind4089

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