I2CScanner();
								

   // Devices found with last scan
   uint8_t Devices_Count;
   
   // Range for the scanner
   uint8_t Low_Address = 1;
   uint8_t High_Address = 127;
   
   // Initialize
   void Init();

   // scan functions
   bool Scan();
   bool Scan(byte address);
   bool Scan(byte addreses[], uint8_t length);

   // Check functions
   bool Check();
   bool Check(byte address);
   bool Check(byte addreses[], uint8_t length);

   void Execute(I2C_Callback callback);
   void Execute(byte address, I2C_Callback callback);
   void Execute(byte addreses[], uint8_t length, I2C_Callback callback);
								

 #include "I2CScanner.h"

I2CScanner scanner;

void setup() 
{
   Serial.begin(9600);
   while (!Serial) {};

   scanner.Init();
}

void loop() 
{
   scanner.Scan();
   delay(5000);
}
								

#include "I2CScanner.h"

I2CScanner scanner;

const uint8_t num_addresses = 4;
const byte addresses[num_addresses] = { 0x20, 0x21, 0x40, 0x41 };
bool results[num_addresses] = { false, false, false, false};


void setup() 
{
   Serial.begin(9600);
   while (!Serial) {};

   scanner.Init();
}

void loop() 
{
   for (uint8_t index = 0; index < num_addresses; index++)
   {
      results[index] = scanner.Check(addresses[index]);
   }
   
   for (uint8_t index = 0; index < num_addresses; index++)
   {
      if (results[index])
      {
         Serial.print("Found device ");
         Serial.print(index);
         Serial.print(" at address ");
         Serial.println(addresses[index], HEX);
      }
   }
   delay(5000);
}
								

#include "I2CScanner.h"

I2CScanner scanner;

const byte address;

void debug(byte address)
{
   Serial.print("Found at 0x");
   Serial.println(address, HEX);
}

void setup() 
{
   Serial.begin(9600);
   while (!Serial) {};

   scanner.Init();
}

void loop() 
{
   scanner.Execute(debug);
   delay(5000);
}