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- // Wire Master Writer
- // by Nicholas Zambetti <http://www.zambetti.com>
- // Demonstrates use of the Wire library
- // Writes data to an I2C/TWI slave device
- // Refer to the "Wire Slave Receiver" 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)
- }
- byte x = 0;
- void loop()
- {
- Wire.beginTransmission(4); // transmit to device #4
- Wire.write("x is "); // sends five bytes
- Wire.write(x); // sends one byte
- Wire.endTransmission(); // stop transmitting
- x++;
- delay(500);
- }
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