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I recently purchased 3 DFRobot Bluno Beetle BLE module inorder to make a portable device. I need to interface sensor information to nrfConnect app or lightBlue app via bluetooth communication. But unfortunately, I cannot establish communication properly. In the app, bluno device was connected, but in the characteristic regarding 0xDFB1 and 0xDFB2, the value 0x01 and 0x02 was always displayed. To check the data transmission, I send one integer from arduino ide to the app. Then, also the same output.

I followed the tutorial and the AT command was successfully got output as Ok.

本文标签： Beetle bluno bld module Bluetooth communication issueStack Overflow

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