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Member #593670

Member Since: September 9, 2014

Country: United States

  • Excellent question. Under Technical Specifications it indicates the operating voltage is 2.6 to 3.5V. Under 5.2 of the datasheet, Recommended Operating Conditions, it indicates there are two modes of this board, default, which is 1.8, and 2.8 mode. The absolute max of this board for supply is listed as 3.6V. This is I2C, so your communication lines pull the signal low and are driven by pull up resistors. The voltage across your pull up resistors will dictate your I/O voltage, which if you give this board 3.3V will be 3.3V, within the specifications of the manufacturer.

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