Users Manual

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5.18 Set Low Power Sleep Mode Command
Command format： AT+SLEEP\r\n
Return value： OK\r\n
Content： When the module is in the idle state, in order to reduce the power
consumption, the module can be set to enter the sleep mode by the sleep
command. At this time, the Bluetooth and serial port functions are turned off, and
the power consumption is reduced. The module can be awakened by external
enabling. The power consumption in sleep mode is 0.3uA.
5.19 Firmware Upgrade Command
Command format： AT+DFU\r\n
Return value： OK\r\n
Content： After returning OK, the module enters the firmware upgrade mode. In this
mode, users can download the latest firmware patch released by our company to
upgrade the module firmware. After the update is completed, the new firmware will
automatically run. For details, please refer to the relevant firmware upgrade
documents.
6. BLE Protocol Description (APP Interface)
[Service UUID: 0x2214 ]
Eigenvalue
Attribute
0x2215
Write Without Response
[Service UUID: 0x2214 ]
Eigenvalue
Attribute
0x2216
Notify