Download Wire.h Library For Arduino [top] -

: Initializes the Wire library and joins the I2C bus.

Wire.requestFrom(address, quantity) : Used by the master to request a specific number of bytes ( quantity ) from a slave device. download wire.h library for arduino

: Begins a transmission to the I2C slave device with the specified 7-bit address. : Initializes the Wire library and joins the I2C bus

: Ends the transmission that was begun by beginTransmission() and actually transmits the bytes that were queued. download wire.h library for arduino