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Arduino UNO I2C debug with MDO3000

2,641 views · Published 10 February 2015 · 23:56 · Indexed 21 September 2026

Channel: theBreadboard · 2015 · Science & Technology

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When putting together my video for the power supply displays and using an LCD with an UNO to act as a display for the volts and amps, I had an un-expected issue with the display not working where in the past it had.

Element 14 and Tektronix had sent me an MDO3054 Oscilloscope just before the holidays with the Serial I2C and SPI software, an Ideal opportunity to create a video for the scope and also to show a practical debug session at the same time

The issue ended up being very easy to solve but the exercise clearly shows that even with short cable runs, there can be issues with fast serial interface and the effects of bad terminations and capacitive wiring

Anyway, I hope you find the video interesting and informative and if it saves you falling into the same trap, then well worth the time of creating it

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