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Olimex Support Forum

Others => UEXT => Topic started by: alfredch on October 10, 2014, 04:00:50 PM

Title: OLIMEX-NANO-GSM
Post by: alfredch on October 10, 2014, 04:00:50 PM

What is the appropriate voltage to be used to the UART interface (RX/TX)? Is it 3.3V for MCU/ARM connection?

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