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- // 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
- // This example code is in the public domain.
- #include <Wire.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.read(); // receive a byte as character
- Serial.print(c); // print the character
- }
- delay(500);
- }
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