User guide

GuiLin FeiYu Electronic Technology Co., Ltd. http://www.feiyudz.cn E-mail: [e-mail]
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c) UART1 module interface：
GND
VCC
UART1-TXD
UART1-RXD
This port is used to:
 Connect to your PC via supplied USB cable to update the FY41AP
autopilot firmware.
 Connects to FY Data Radio for communication via FY-GCS
a) UART1-TXD ： TX port.
b) UART1-RXD ： RX port.
c) VCC ： +5V output port to power Data Radio or input
power via PC USB supply (during firmware
upgrading).
d) GND ： GND output port.
d) UART2 module interface：
GND
VCC
UART2-TXD
UART2-RXD
This port is used to:
 Connect to your PC via supplied USB cable to update the FY41AP
OSD firmware.
a) UART2-TXD ： TX port.
b) UART2-RXD ： RX port.
c) VCC ： +5V input via USB supply
(during firmware upgrading).
d) GND ： GND output port.