New MicroPython Pyboards have faster MCU, built-in wireless
The Pyboard D-series microcontroller board offer developers a low-powered device for running programs created with MicroPython, a version of the Python 3.4 programming language customized to run on low-power microcontrollers. The Pyboard D-Series is smaller than both the Raspberry Pi Zero and PocketBeagle and runs MicroPython ‘bare metal.’
Features include a 216-MHz CPU and 256 KB RAM, as part of the onboard STM32F722 microcontroller (standard model), support for 802.11n Wi-Fi and Bluetooth 4.1 wireless connectivity, and an SD card reader to expand the existing ~2 MB flash storage. A WBUS 40 + 40-pin mezzanine bus connector enables access to all power and IO ports.
The Pyboard has 46 independent GPIO pins, with 24 available via through holes, and an additional 11 GPIO pins shared with SD card, USB, USR button, and Bluetooth audio. The board connects to a PC via its microUSB port, allowing users to connect to the board using any serial program, which will give them a Python REPL command-line prompt enabling the execution of Python commands on the board. Other options for controlling the board include using a remote script, from the built-in filesystem, and from the firmware.
The Pyboard D-series modules are available in several different versions. The standard model (£43.80/~$48) uses an STM32F722 microcontroller. Other options include versions with an STM32F723 microcontroller (£58.20/~$64) and an STM32F767 microcontroller (£69.60/~$77).
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