Brand: Racerstar & Airbot
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Beacuse the firmware is provisional, for 9V BEC there have 2 steps to stwich on :
RESOURCE SERIAL_RX 4 NONE
set pinio_box = 40,41,42,43
aux 2 40 2 1600 2100 0
resource PINIO 1 A10
2. Then use AUX 3, and the range must cover 1500
we don't know if betaflight can put this setting in the released firmware, but if it's happened the 9V BEC not working ,you know how to resource .
1 X airF7 FC Single BEC(5V 3A) / airF7 FC Dual BEC (9V 3A)
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