Is it safe to power supply a Voltage-Level Translator by the 3.3V pin and 5V pin of the Arduino?

Is it safe to power supply a Voltage-Level Translator by the 3.3V pin and 5V pin of the Arduino?

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Probably, yes. Although it would help to know what model of arduino you are talking about.

Post your proposed schematic and we can say with more certainty.

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Arduino MEGA 2560 R3, and I want to make it communicate with a 3.3Volt device...


This circuit (same) is often used to do just that.

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