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What mode should the 3 axis pins of the ADXL-335 be read in, in an Arduino in order to obtain meaningful values?

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What mode should the 3 axis pins of the ADXL-335 be read in, in an Arduino in order to obtain meaningful values?

(a) Analog

(b) Digital

(c) PCM

(d) TDM

This question was posed to me during an interview for a job.

My question is from ADXL335 Accelerometer Sensor topic in portion Interfacing of Sensors, Actuators, and Other Modules of Arduino

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The correct choice is (a) Analog

Explanation: The axis pins of the ADXL-335 Accelerometer give output in the form of analog signals. These should then be read from the Arduino with the help of the “analogRead()” method so as to obtain the full voltage value that they are putting out.

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