The Arduino programming language Reference, organized into Functions, Variable and Constant, and Structure keywords. There is no download link on the official page Wire - Arduino Reference. Once that message is received, it can then be viewed in the Peripheral board's serial monitor window opened on the USB connected computer running the Arduino Software (IDE). You should use vw_send(uint8_t* buf, uint8_t len) to actually send the data to the transmitter. Where can I download the wire library It does not come with a Galileo board. Arduino 1, the Controller, is programmed to send 6 bytes of data every half second to a uniquely addressed Peripheral. This means that 'pin' (normally 12) will output data from the arduino to the Sparkfun transmitter. You should only call vw_set_tx_pin(uint8_t pin) if you want to use a different pin for transmitting, the library uses pin 12 by default. I've used the VirtualWire library to replace a broken transmitter/receiver in a RC car which has two motors, one to control forwards/backwards, and the other to control the steering (left/right). The Arduino pin number for transmitting data.
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