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Arduino Basics: Definitions and Pins

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Questions and Answers

What does an Arduino board do?

Prints documents

Plays music

Reads inputs like light, finger on a button, or a Twitter message and turns it into an output (correct)

Displays videos

What is the main function of Analog pins on an Arduino?

Can read any random value ranging from 0 – 1023 (correct)

Store only HIGH and LOW values

Connect to the internet

Control digital displays

What is the purpose of Digital pins on an Arduino board?

Control physical movement

Store analog values

Store only HIGH and LOW values (correct)

Read any random value

Which component allows the easy writing of code and uploading it to an Arduino board?

Arduino Software (IDE) (B) Signup and view all the answers

What is the function of the Reset button on an Arduino Uno?

Resets the board (A) Signup and view all the answers

How many Analog Inputs does an Arduino Uno have?

6 Analog Inputs (B) Signup and view all the answers

What distinguishes analog pins from digital pins on an Arduino board?

Analog pins can only store values in the range 0-1023, while digital pins can only store HIGH and LOW values. (C) Signup and view all the answers

What is the distinction between a microcontroller and a microprocessor?

A microcontroller has memory, RAM, and peripheral connections, while a microprocessor is mainly for processing data. (A) Signup and view all the answers

Why are there 14 Digital In/Out pins on an Arduino Uno?

To allow for 6 of them to be used for PWM operations. (A) Signup and view all the answers

What is the significance of the SCL/SDA pins on an Arduino Uno?

They are responsible for sending serial clock and data signals. (B) Signup and view all the answers

How do Analog Pins on an Arduino differ from Digital Pins in terms of value storage?

Analog pins allow storage of continuous values, while digital pins store discrete HIGH and LOW values. (C) Signup and view all the answers

Why is the ability to store values ranging from 0 – 1023 significant for Analog Pins on an Arduino board?

It allows for precise voltage measurements using those pins. (B) Signup and view all the answers