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Sending temperature sensor data wirelessly from Arduino to PC
I2C is bvilt to support multiple adresses using the same two lines. you can hook up multiple sensors and lcd or what ever you want on the same pins. i dont remember how many, it is limited, but probably more than you would hook up to one microcontroller anyways. you define each devices adress in your code. thank you for your instructable. lots of good ideas. thought you would like to know you could use your I2C module for your lcd also.
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