dlt.onBLECharacteristicValueChange(function listener)

Introduction

Add a listener for characteristic value changes.

Usage Limitations

You must register this listener before calling dlt.notifyBLECharacteristicValueChange.

Parameters

function listener

The listener function for the Bluetooth adapter state change event.

Parameters

Object res

Property	Type	Description
serviceUUID	string	Service UUID
characteristicUUID	string	Characteristic UUID
value	string	Characteristic value

Sample Code

dlt.onBLECharacteristicValueChange(function (res) {
  console.log(res);
});

In the sample code provided, dlt.onBLECharacteristicValueChange is used to add a listener for characteristic value changes. When the characteristic value changes, the provided listener function is called, and it logs the received data to the console.