IIC Not working - Printable Version

Code:
// SPDX-FileCopyrightText: 2023 Carter Nelson for Adafruit Industries

//

// SPDX-License-Identifier: MIT

// --------------------------------------

// i2c_scanner

//

// Modified from https://playground.arduino.cc/Main/I2cScanner/

// --------------------------------------



#include <Wire.h>



// Set I2C bus to use: Wire, Wire1, etc.

#define WIRE Wire



void setup() {

  WIRE.begin();



  Serial.begin(9600);

  while (!Serial)

     delay(10);

  Serial.println("\nI2C Scanner");

}





void loop() {

  byte error, address;

  int nDevices;



  Serial.println("Scanning...");



  nDevices = 0;

  for(address = 1; address < 127; address++ )

  {

    // The i2c_scanner uses the return value of

    // the Write.endTransmisstion to see if

    // a device did acknowledge to the address.

    WIRE.beginTransmission(address);

    error = WIRE.endTransmission();



    if (error == 0)

    {

      Serial.print("I2C device found at address 0x");

      if (address<16)

        Serial.print("0");

      Serial.print(address,HEX);

      Serial.println("  !");



      nDevices++;

    }

    else if (error==4)

    {

      Serial.print("Unknown error at address 0x");

      if (address<16)

        Serial.print("0");

      Serial.println(address,HEX);

    }

  }

  if (nDevices == 0)

    Serial.println("No I2C devices found\n");

  else

    Serial.println("done\n");



  delay(5000);           // wait 5 seconds for next scan

}