7
7. Battery voltage monitoring header: To connect the flight controller for battery voltage
monitoring and alarm raising.
Battery voltage monitoring
header
1
-/ Negative pole of
the battery
2
+/ Positive pole of
the battery
8. Buzzer header: To connect the buzzer for alarm and information.
A 50mA 5.0V low-power-consumption buzzer is used for the alarm of low voltage and searching
for lost aircraft in the Cleanflight software.
9. ESC/Servo output headers: To connect eight motors or servos.
It currently supports PWM ESCs (400Hz by default), Oneshot 125 ESCs and PWM servos (50Hz by
default).
10. Boot headers: To recover the firmware.
It runs the STM32 loading program if the soldering pads are bridged; if not, it works normally then.
The back:
SunFounder