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Content 4/4

Features

3.3V 0.8A LDO (1117-3.3)

powered from USB, Vin pin (3.6-13.8V) or regulated 3.3V

on board USB to serial bride IC (CH340)

reset switch

SWD programming header

optional 32kHz crystal (if not needed pins can be used as additional IOs)

on board user LED (connected to PA02)

on board power LED (connected to 3.3 rail)





Sep 11,2020
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