A lot of shields and devices will not work with this voltage. How can I use existing shields? It would be great if the Arduino team could make a version with level shifters so the large amount of boards could just plug in. I can not use the Due in existing project without major modifications beca…

3.3V inputs & outputs

system October 23, 2012, 3:28am 5

Just make a simple voltage divider or a voltage regulator. To increase the voltage just use a good old fashion MOSFET as an amplifier. Viola simple!

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