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Topic: 5V & 3.3V I2C on same arduino  (Read 99 times) previous topic - next topic


Hey guys,

I want to read out some Sensors (via I2C) which are using 3.3V as voltage level, and show some values on an LCD Display, also connect via I2C, but using 5V voltage level.

What is the easiest way to do this? Logic Level conversion? Software I2C? Other ideas?

Thanks and greetz,

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