Arduino - IIC SCANNER

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#include <Wire.h>#define SERIAL_BAUD 57600 void setup(){  Wire.begin();  Serial.begin(SERIAL_BAUD);  Serial.println("I2C Scanner started");  Serial.println();}void loop(){  uint8_t error, i2cAddress, devCount, unCount;  Serial.println("Scanning...");  devCount = 0;  unCount = 0;  for(i2cAddress = 1; i2cAddress < 127; i2cAddress++ )  {    Wire.beginTransmission(i2cAddress);    error = Wire.endTransmission();    if (error == 0)    {      Serial.print("I2C device found at 0x");      if (i2cAddress<16) Serial.print("0");      Serial.println(i2cAddress,HEX);      devCount++;    }    else if (error==4)    {      Serial.print("Unknow error at 0x");      if (i2cAddress<16) Serial.print("0");      Serial.println(i2cAddress,HEX);      unCount++;    }      }  if (devCount + unCount == 0)    Serial.println("No I2C devices found\n");  else {    Serial.print(devCount);    Serial.print(" device(s) found");    if (unCount > 0) {      Serial.print(", and unknown error in ");      Serial.print(unCount);      Serial.print(" address");    }    Serial.println();  }  Serial.println();  delay(5000); }

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