Chengdu Ebyte Electronic Technology Co.,Ltd.
E104-BT02 User Manual
Copyright ©2012–2019, Chengdu Ebyte Electronic Technology Co.,Ltd.
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7 UUID description
Channel Name
UUID
Property
Description
BLE DATA BUFF
0xFFF1
(default)
Read only,
inform
This channel is for receiving UART data and it returns to Bluetooth
master by informing. The biggest data length for a single packet is 20
bytes and data more than 20 bytes are to be sent separately.
NOTE: If IPHONE or Android mobile phone is set as the master, the
Notification function should be activated for receiving module data .
CENTER DATA BUFF
0xFFF2
(default)
Read, write
This channel is for master to transmit data. The biggest data length for
a single packet is 20 bytes and data more than 20 bytes are to be sent
separately.
The transmitted data will be outputted via serial port.
BLE DATA CONFIG
0xFFF3
(default)
Read, write
Air configuration channel
8 Quick usage
Use Android mobile phone (version 4.3 and above), IPHONE 4s and above version or Ipad with BLE function to
achieve connection and communication with the module.
Take android mobile phone as an example:
1.Download and install “BLE Test Tool”.
2.Open “BLE Test Tool”, scan surrounding broadcasting packages and list all surrounding broadcasting devices.
3.Click and enter this service. UUID: FFF0 is transparent data transmission service. Click and enter this service.
