PYBOARD D SERIES MICROPYTHON BOARD FEATURES STM32F7 MCU, WIFI AND BLUETOOTH




Pyboard D-series (aka Pyboard D, or just PyBD) board was introduced during the Micropython presentation at FOSDEM 2019 and it’s build around a faster STM32F7 Cortex-M7 MCU, with 512Kb of RAM, and 2Mb of Flash, as well as built-in WiFi and Bluetooth connectivity. It also features a pair of external Flash chips and a micro SD card slot for additional expansion options.

PYBOARD D SERIES MICROPYTHON BOARD FEATURES STM32F7 MCU, WIFI AND BLUETOOTH

The board can be programmed with MicroPython either from the command line, copying the Python file to the board (seen as a USB flash drive from your computer), or via WiFi using WebREPL terminal client.

If you are not sure, what MicroPython is, continue reading. MicroPython is a lightweight version of Python 3 optimized to run on microcontrollers, which is described as a ByteCode + virtual machine + file system compiler for the BareMetal OS implemented on the microcontroller.

Pyboard D Preliminary Specifications:

  • MCU – STMicro STM32F7xx Arm Cortex M7 microcontroller at 216 MHz with 512KB RAM, 2MB flash
  • Storage – micro SD card slot, and 2x external flash chips
  • Connectivity – WiFi & Bluetooth with on-board antenna and u.FL antenna connector
  • USB – 1x micro USB port for power, flash disk access, and USB to serial debugging/programming
  • Expansion
    • 2.54mm pitch through holes for 16x GPIOs
    • 1.27mm pitch castellated and through holes for 32x GPIOs
    • 2x 40-pin WBUS connectors for a total of 59 GPIOs
  • Misc – User and reset buttons, RGB LED, clock
  • Dimensions – TBD

The WBUS connectors are also a new feature and will allow you to stack add-ons boards. For example the WBUS DIP28 or DIP68 boards are exposing respectively 28 and 68 I/O pins, and they can take one or more sensor board(s) via other smaller 2x 10-pin sensor board connectors.

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