Which interface does SD.h depend on for communication between the SD Card Module and the Arduino?(a) SPI(b) I2C(c) USB(d) TTLI have been asked this question in semester exam.This interesting question is from Standard Libraries topic in section Arduino Programming of Arduino

Which interface does SD.h depend on for communication between the SD C

1.	Which interface does SD.h depend on for communication between the SD Card Module and the Arduino?(a) SPI(b) I2C(c) USB(d) TTLI have been asked this question in semester exam.This interesting question is from Standard Libraries topic in section Arduino Programming of Arduino
Answer» The correct answer is (a) SPI Explanation: The SD.h library for COMMUNICATION between SD Card Modules and Arduinos use SPI (Serial Peripheral Interface) for ESTABLISHING communications. The SPI is a synchronous Serial Communication Protocol which is USED for short distance communications between microcontrollers and devices like SD Card READERS, shift RESISTORS, etc.

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Which interface does SD.h depend on for communication between the SD Card Module and the Arduino?(a) SPI(b) I2C(c) USB(d) TTLI have been asked this question in semester exam.This interesting question is from Standard Libraries topic in section Arduino Programming of Arduino

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