Data Sheet

XY-MBA32A Bluetooth
Module
Data
sheet
www.newbitsiot.com
25
7 BLE Protocol Description (APP Interface)
Transparent transmission data channel 【Service UUID: 0xFFF0】
Characteristic
values UUID
Executable
operations
Default
Value
Remarks
0xFFF2
Write
No
The written data will be output
from the serial TX port.
0xFFF1
notify
No
Data input from the serial RX port
will generate a notification to the
mobile device on this channel.
Description:
APP sends data to MCU via 0xFFF2 channel. MCU sends data to APP via 0xFFF1 channel. Users can also
customize the read/write channel via AT commands.