Wire(I2C)

The Wire API is used to connect LinkIt ONE to other devices through an I2C/TWI bus using the pins shown in Table below.

Table : The I2C pins

Board	[I2C/TWI] pin
LinkIt ONE	D18 Serial Data Wire (SDA) D19 Serial Clock Wire (SCL)

LinkIt ONE can join the I2C bus as a master only, not as a slave

Class	Description
TwoWire	TwoWire class interface enables LinkIt ONE to connect to other devices through I2C/TWI bus. It occupies pin D18 (SDA) as the serial data wire and pin D19 (SCL) as the serial clock wire.

Macro	Description
TwoWire_h	Include Atmel CMSIS driver include

Variable	Description
Wire	The Wire object.