Ebyte E104-BT51, User Manual

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Chengdu Ebyte Electronic Technology Co.,Ltd. E104-BT51 User Manual
Copyright ©2012–2019
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
7-30
Description: Set according to the minimum voltage of the battery
Because the working voltage of the chip is limited to 1.8V ~ 3.8V, the maximum BATMIN is 1800.
6.48 Query RSSI
Command Response Parameter
Query
：
AT+RSSI? +OK=[para]
+ERR=[NUM] para: -128~127
Description: It takes effect immediately, can only be used when connecting, otherwise returns error
7. UUID Description
7.1 Ebyte data transmission UUID
Channel UUID HANDLE
Attribute Description
EBYTE DATA
SERVICE
0xFFF0
(Default)
31 - This channel is a custom serial transceiver channel
BLE DATA BUFF
0xFFF1
（
Default
）
33
Read only,
notify
This channel is the module receiving the serial data channel and
returns to the Bluetooth host in a notified manner. The maximum
data length of a single packet is 251 bytes.
Description: If the host is an Android or IPHONE cell phone,
you need to enable the notification function in order to receive
the module data.
CENTER DATA
BUFF
0xFFF2
（
Default
）
37 Read, write
This channel is the host-side transmission data channel. The
single packet data length is limited to a maximum of 251 bytes.
After the module receives the Bluetooth data, it will transmit
transparently through the serial port directly.
BLE DATA CONFIG
0xFFF3
（
Default
）
40
Read, write,
notify
Configuration over air channel
7.2 Standard battery voltage service UUID
Channel UUID HANDLE Attribute Description
BATTERY SERVICE 0x180F 43 -
This channel is the standard battery voltage service UUID
specified by the Bluetooth Alliance