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BLE Central AT Command ← Bluetooth Dual-Mode Module for Data Only

 

 

BLE Central Description Modules
B2401 AT+LESTAT Read LE Central State  
B2402 AT+LECONN Establish LE Central Connection  
B2403 AT+LESEND Send Data Via LE Central  

 

 

 

 

B2401   AT+LESTAT       Read LE Central State

Q) AT+LESTAT +LESTAT=Param Param: Refer to “Indication Table” page for state description

 

 

 

B2402   AT+LECONN       Establish LE Central Connection

If parameter 2, parameter 3, parameter 4 do not exist, the module will automatically search for the GATT service connected to the remote device

E) AT+LECONN=Param 1{,Param2,Param3,Param4}  

Param1: MAC address of target device & MAC address type (13 Bytes ASCII)

Param2: Service-UUID, Support 16 Bit and 128 Bit (4 Bytes/32 Bytes ASCII)

Param3: Write-UUID, Support 16 Bit and 128 Bit (4 Bytes/32 Bytes ASCII)

Param4: Notify-UUID, Support 16 Bit and 128 Bit (4 Bytes/32 Bytes ASCII)

 

Example

AT+LECONN=123456ABCDEF0,FFF0,FFF2,FFF1

OK

Specified remote device service connections

 

 

 

 

B2403   AT+LESEND       Send Data Via LE Central

If throughput mode is on, this command is de-active

E) AT+LESEND=Param1, Param2   Param1: Payload length (1~180)
Param2: Payload (1~180 Bytes UTF8)

 

Example

AT+LESEND=10,1234567890

OK

Send data “1234567890” to remote device via LE Central

 

 

 

 

 

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