Owner's manual

GuiLin FeiYu Electronic Technology Co., Ltd. www.feiyudz.cn E-mail: service@feiyu-tech.com 2 | P a g e
USB dirver: http://www.feiyu-tech.com/download-en.php?id=37
STEP 3: Connect the USB-TTL cable to the computer. Note Do not connect the FY Module yet!
Do not connect the FY module to USB driver!
STEP 4: Open the FY Firmware upgrade program:
STEP 5: Select the right Com port number, and select 19200 as the baud rate.
If you do not know which COM port number, do the following: