Wire Master Reader
by Nicholas Zambetti <http://www.zambetti.com>

Demonstrates use of the Wire library Reads data from an I2C/TWI slave device Refer to the "Wire Slave Sender" example for use with this

Created 29 March 2006
Revised 30 August 2007
 

    
// Wire Master Reader 
// by Nicholas Zambetti <http://www.zambetti.com> 

#include <TwoWire.h> 
 
void setup() 
{ 
  Wire.begin();        // join i2c bus (address optional for master) 
  Serial.begin(9600);  // start serial for output 
} 
 
void loop() 
{ 
  Wire.requestFrom(2, 6);    // request 6 bytes from slave device #2 
 
  while(Wire.available())    // slave may send less than requested 
  { 
    char c = Wire.receive(); // receive a byte as character 
    Serial.print(c);         // print the character 
  } 
 
  delay(500); 
}