TF-luna I2C is not work

Projects Programming
1

I planned to receive data through serial communication through TFluna.
And I tried to check the data with I2C

void loop()
{
    if( tflI2C.getData( tfDist, tfAddr)) // If read okay...
    {
        Serial.print("Dist: ");
        Serial.println(tfDist);          // print the data...
    }
    else tflI2C.printStatus();           // else, print error.

    delay( 50);
}

From here it appears to fail with all method calls.

My environment is as follows.
I am using Arduino Mega, and Rx is connected to SDA (20) and Tx is connected to SCL (21). and cannot connect pin 5,6.

I don't think it's a power issue because I checked it in the serial.

Reference address: GitHub - budryerson/TFLuna-I2C: Arduino library for the Benewake TFLuna LiDAR distance sensor in the I2C communication mode

Result message received

15:00:04.865 -> Device Address: 16
15:00:04.865 -> System Reset: Status: I2C-WRITEGet Firmware Version: Status: I2C-WRITEGet Serial Number: Status: I2C-WRITEGet Time: Status: I2C-WRITESet Frame Rate to: Status: I2C-WRITEGet Frame Rate: Status: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEGet Time : 0
15:00:08.411 -> Status: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C-WRITEStatus: I2C -WRITEGetTime: 0
One
2

Solved it.

I connected 5pin to GND.

And I check I2C connect status.1)

And I can know that there is not connect anything.

So I pull out pin and put it again.

It works...

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