Report copyright - eeRotorF4 Flight ontroller Manual 170422 - Rctimer …rctimer.com/download/BeeRotorF4Manual.pdfExternal SPI/UZZER/LED-Strip 1 GND 2 S 3 MOSI 4 MISO 5 SK 6 +3.3V 7 +5V 8 UZZER+ (+5V)
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