GROWATT NEW ENERGY TECHNOLOGY CO. LTD. YF-B01U-GRT ユーザーズマニュアル

(YF-B01U-GRT) Long-range Bluetooth serial adapter Manual Version: 1.0 

3 

 

、  Use Instructions 

 

Long-range Bluetooth serial port adapter consists of master and slave, A master 

device and one or more slave devices supporting the use of. When the serial port 

adapter hardware circuit is connected correctly and power up, Master and slave 

devices will automatically establish a connection and identification with the 

memory of the other party equipment, after the user's device using a serial cable 

using the serial port adapter. 

„  RS232 Default is to use 2-wire (UART_TX, UART_RX), baud rate 9600, 

stop bits, no parity, and no flow control. 

„  Bluetooth default PIN: 1234 

Automatic power-on boot, the blue LED is lit, the Slave adapter can Master 

adapter search and connect automatically. Connection is successful, the blue 

light and red light is lit. The adapter will Bluetooth receiver to send data to the 

serial port, serial port to receive the data sent to Bluetooth. Completely 

transparent alternative to cable transmission. 

Automatic power-on boot, blue and red indicator lights up, the Master adapter