Hi-Link HLK-B20 Manual del usuario - Página 12

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11. Bluetooth data transmission

Bluetooth data transmission is that after the Bluetooth connection is successful, the module will send

the data received from the Bluetooth by the serial port, and the data received from the module serial port

will be sent out by the Bluetooth.

The module Bluetooth function only supports Bluetooth 4.2.

Install the Bluetooth mobile phone test software HLK-BLE.apk, open the Bluetooth function of the

mobile phone, and then open the app, it will search for the Bluetooth name at the beginning of HLK-BLE_

on the app.

Then select the last item

HLK-B20

Shenzhen Hi-Link Electronic Co., Ltd.

Figure 9

Figure 10

Bluetooth search list

Bluetooth attribute list

Manual

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