Manual

Guilin Feiyu Electronic Technology Co., Ltd.
Guilin Feiyu Electronic Technology Co., Ltd http://www.feiyu-tech.com [e-mail]
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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.