The initial version aims to remain pin compatible with the original design, so the firmware can be re-used. The main MCU is swapped from a BGA package to a QFN, and a 4L board construction is used. As a result, many BGA devices are still used, as these were unchanged from the original design.
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Python for Microcontrollers – Adafruit Daily — Python on Microcontrollers Newsletter: A New Arduino MicroPython Package Manager, How-Tos and Much More! #CircuitPython #Python #micropython @ThePSF @Raspberry_Pi
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