Arduino Eğitim Kiti – Tüm Yıl İçin Arduino Müfredatı: Ders 15

arduino_müfredatı_ders_15.ino

#include <Wire.h> 
void setup()
{
  Wire.begin();
 
  Serial.begin(9600);
  while (!Serial);
  Serial.println("\nI2C Scanner");
} 
void loop()
{
  byte error, address;
  int nDevices; 
  Serial.println("Scanning...");
 
  nDevices = 0;
  for(address = 1; address < 127; 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); 
}