I was wondering how to communicate with I2C devices with the "wire" library function. For example, how do you know what adress to use to communicate? Is the adress supposed to be typed ON it somewhere? :-? I was also wondering if you can use I2C sensors with an arduino, do you just say it's a slave?…

How do you use the "wire" function?

system August 10, 2009, 2:29am 11

Would a sensor like the ultrasonic sensor have RX-TX?

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