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Feather STM32F405 Express - development kit with STM32F405 microcontroller

The board is equipped with a STM32F405 microcontroller with an ARM Cortex-M4 core and SPI Flash memory, GPIO pins, a connector for connecting a battery with a charging circuit and a STEMMA QT socket. Adafruit 4382

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ID: 587266

51,70€ gross (23% VAT)
42,03€ net

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Development kit equipped with an STM32F405 microcontroller with an ARM Cortex-M4 core operating at a frequency of 168 MHz. On a Feather-compatible board, in addition to the STM32 chip and SPI Flash memory, the user will find GPIO pins with I2C, UART, GPIO, ADC, DAC interfaces, SD card slot, battery connector, charging circuit and STEMMA QT socket. The module can be programmed in Arduino IDE (STM32duino) or CircuitPython. Full documentation with numerous examples is available on the product page.


  • STM32F405 Cortex M4 with FPU and 1MB Flash, 168MHz speed
  • Total 192 KB RAM - 128 KB RAM for general use + 64 KB RAM for program / cache only
  • 3.3V logic, but almost all pins are 5V compliant
  • USB C power and data
  • LiPo connector and charger
  • SD slot on the bottom, connected to the SDIO port
  • Flash SPI chip 2 MB
  • Built-in RGB NeoPixel LED
  • Qwiic / STEMMA-QT connector for fast I2C connectivity
  • Built-in USB DFU bootloader
  • Dimensions: 52 x 23 x 10 mm

Kit contains

  • Feather STM32F405 Express
  • 2 x 16-pin goldpin male connector