Hi Guys, I am having trouble interfacing a 5v SRF02 sonar sensor with the Arduino Due. I have tried a few different level shifters, resistor combinations, and both I2C ports on the Due. Using an oscilloscope I can see the signal is being sent. There is just no response from the sensor. Main progra…

Due I2C not working

system February 5, 2013, 11:01pm 6

I was under the impression the Due had internal 3.3v pull up resistors on the I2C lines. Is this correct? Nevertheless it is working as is, but just not 100% reliable

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Due I2C not working

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