Users Manual

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install the driver of the FTDI chip first. After the driver is installed successfully, connect
DEMO-Kit to PC by a USB cable. At this time, the serial port label of Demo Kit tool can be
recognized by PC terminal;
4.
4. Start the serial port debugging tool on PC, select the virtual COM port number mapped
by the FTDI chip. Set the serial port parameters as: baud rate 115200, the data format is 8
data bits, no parity bit and 1 stop bit. Then turn on the serial port, and read and modify
the current Bluetooth module settings through AT command, as shown in the figure.
5.
5. Use the mobile device APP Bluetooth master to query the slave device of the Bluetooth
module. The recognized Bluetooth test software LightBlue can be used in the IOS system,
and the Bluetooth serial test APP software provided by nrfconnect can be used in the
Android system. Search for the device name of the Bluetooth module, and then click to
establish Bluetooth connection with it and the pairing is successful. Send data to the
Bluetooth module through the APP tool to establish a data communication connection
between the mobile terminal and the Bluetooth module.
A.
A. In the IOS system (only iPhone 4S and above mobile phones support Bluetooth 4.0),
use LightBlue to test the module connection performance. First turn on the iPhone
Bluetooth and run the LightBlue program. When LightBlue is running, it will
automatically search for the slave device. After the slave device is found, the slave list
will be displayed, and it will contain the main information, UUID of Services, transmit
power, device name, etc.