User Manual

Flash Firmware to F3 Lite
As show there is a button in F3 lite flight controller, pr
ess this button then power on F3 trigger the STM32 M
CU into bootloader mode. Actually this button connect
to BOOT0 pin in STM32 MCU, press this button connec
t the BOOT0 pin of STM32 to 3.3V.
The flight controller hardware please select “SPRACING
F3”.
F3 Lite Hardware Connection Preview
Receiver
Type
Receiver
Input
Motor
Output
OSD or
BLUETOOT
H
GPS
Support
Sonar
Support
Battery
Monitoring
LED
Strip
Diagram
PWM
6CH Max
6CH
Max
√
(USART 1)
×
×
×
√
#A
PPM
8CH
6CH
Max
√
(USART 1)
√
(USART 3)
×
×
√
#B
S.BUS
(USART 2)
8CH
6CH
Max
√
(USART 1)
√
(USART 3)
×
×
√
#C
DSM
Satellite
(USART 2)
8CH
6CH
Max
√
(USART 1)
√
(USART 3)
×
×
√
#D
Detail of hardware connection and PC software setting please refer the information below :
https://github.com/cleanflight/cleanflight/blob/v1.10.0/docs/Board%20-%20SPRacingF3.md