Chengdu Ebyte Electronic Technology Co., Ltd.
E104-BT20 User Manual
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Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
18
0
AT command error
1
Parameter format error
2
Device name is too long (more than 40 bytes)
3
Device name length is zero
4
Bluetooth role is invalid
5
Invalid baud rate
6
Stop digit is invalid
7
Check digit is invalid
8
Invalid connection mode
9
The pairing code is longer than 16 bytes
10
Pairing code length is zero
11
Drive polarity parameter is out of range
12
GPIO port number is out of range
13
Output status or up-down parameters are out of range
14
MPI0, MPII parameters exceed one byte (length is zero)
15
Bluetooth address is longer than 12 bytes
16
Bluetooth address is 0
17
Authentication device does not exist in the pairing list
18
Query scan and page scan parameters are out of range
19
Power-on configuration mode does not support
connection-related instructions
20
No connection established
