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Arduino Question & Answers

May 31, 2022 By WatElectronics

This article lists 100 Arduino MCQs for engineering students. All the Arduino Questions & Answers given below include a hint and a link wherever possible to the relevant topic. This is helpful for users who are preparing for their exams, interviews, or professionals who would like to brush up their fundamentals on Arduino.

Arduino is an open-source development platform that has both a programmable circuit board and software which runs on a computer, where code is uploaded to the board.

Arduino IDE has a simplified version of the programming language C++, which is easier to program. The voltage required for Arduino models is between 6 and 12 volts. If the voltage is greater than 20 volts then the board will destroy due to overpowering.

Arduino has several types of boards: Arduino Uno, Arduino Dieciimila, Arduino Due, Lilypad, Redboard, Arduino mega, and Arduino Leonardo. Arduino board has several pins 5v, 3.3v, TX, RX, Analog pins, digital pins, PWM, Analog reference, ground pins, reset button, voltage regulator, main IC, Microcontroller, and power LEDs.

Arduino compatible boards use circuit boards called shields. Shields are used for controlling motors, ethernet, and Liquid crystal displays. Arduino modules are connected through a USB/Barrel Jack.

1). Arduino is an open-source technology which is used to assemble __________ blueprints.

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2). Arduino has both software and _________ board.

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3). The Arduino board is also called a _______?

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Read more about Microcontroller.
4). Expand IDE full form________?

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5). Code writing and uploading into the board is done using _____?

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6). Arduino doesn’t require separate ______ to load code on the board.

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7). _____ is the language used by the Arduino IDE to code easily.

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8). _______ is the best product in the Arduino family for Beginners.

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9). Without _______ Arduino cannot be run.

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10). Expand the full form of USB is_____?

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11). If the voltage is greater than _____, then the Arduino will destroy.

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12). Approved voltage for Arduino types are ______ volts.

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13). To ground the circuit _____ pin is used in Arduino.

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14). The 5V pin of Arduino supplies _____ volts of power.

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15). How many Analog pins exist in Arduino?

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16). Analog pins _____ the signals from an analog sensor.

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17). The 3.3V pin of Arduino supplies _____ volts of power.

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18). After conversion from analog to digital value is read by _____?

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Read more about Temperature sensor.
19). _____ pins are known as digital pins in Arduino.

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20). Expand PWM full form ________?

Hint
21). Expand AREF full form _______?

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22). If the voltage value is 5v then it reaches a ____ limit for each analog input.

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23). In Arduino, the reset pin is switched to _____, to reopen the code and load.

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24). TX pin represents _______ in Arduino board.

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25). RX pin represents _______ in Arduino board.

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Arduino Quiz Questions and Answers.

26). _________ authorizes the amount of voltage to get into the Arduino board.

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27). ________ model of Arduino is more stable than any other.

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28). Red board power regulator can handle voltage from 7 to __ volts DC.

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29). Arduino mega hold ____ analog inputs.

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30). Arduino can work on a variety of ______ like windows, Linux, and mac.

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31). Atmel _______ AVR microcontroller present in arduino boards.

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32). Arduino Due which is 32-bit based on Atmel is introduced in ____?

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33). Arduino boards having double pins that provide interfacing for _______?

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34). Arduino boards use female headers for connection and establish into another _____?

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35). Arduino boards might connect with add-on modules known as _____?

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36). Every board of Arduino has a five volts ___ regulator?

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37). Every Arduino board has a ___ Mhz crystal oscillator.

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38). Lilypad Arduino module runs at ___Mhz.

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39). Each microcontroller of the Arduino is pre-programmed by the _______?

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40). Some Arduino boards contain a _____ circuit for conversion of level signals.

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41). Level shifter circuits are used to convert from RS-232 and _____ level signals.

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42). Expand LCD ________?

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Read more about LCD .
43). ______ is a function which starts after power-up or reset.

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44). The function which repeatedly executes in the main program?

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45). Expand LED full form ______?

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Read more about LED.
46). Shields can prepare motor controls for ______?

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47). Red board is more stable due to the _____ chip.

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48). Red board can be organized over ____ cable.

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49). Arduino mega has a ______ oscillator.

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Read more about Crystal Oscillator.
50). Arduino mega works at frequency _____?

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Arduino MCQs for Exams

51). Arduino mega hold _____ size of flash memory.

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52). Atmega2560 Arduino has total ___inputs.

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53). Arduino leonardo has a _________ microcontroller.

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54). Arduino Leonardo holds a total of ___ digital inputs.

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55). Arduino Leonardo is much ____ than other Arduino boards.

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56)._____ controls the USB Cable of the Arduino red board?

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57). Which of the following is a pre-built board that connects all Arduino boards?

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58). Arduino shields include ______ to increase the compatibility of Arduino boards.

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59). Arduino Due has a memory of _____ SRAM.

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60). Arduino Uno has a memory of _____ SRAM.

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61). Arduino Uno has a memory of ___ SRAM.

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62). Arduino Leonardo has a memory of ___ SRAM.

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63). Arduino Leonardo has a memory of ___ flash.

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64). Arduino Uno has a memory of ___ flash.

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65). Arduino Due has a memory of ___flash.

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66). Arduino Mega has a memory of ___ flash.

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67). ICSP stands for ______?

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68). Arduino Due depends on ______ controller?

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69). How many buttons exist for reset and erase in Arduino Due?

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70).________ microcontroller board depends on ATMega 168.

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71). In Arduino Bluetooth ____ is used for power?.

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Read more about Bluetooth .

72). Arduino Bluetooth also called Arduino ___?

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73). Arduino Bluetooth has ___ digital pins?

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74). Arduino Bluetooth has ____ analog pins?

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75). Arduino Bluetooth holds a crystal oscillator of ___ frequency.

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Arduino Interview Questions and Answers

76). Arduino Diecimila has ____ digital input-output pins?

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77). Arduino Diecimila has ___ analog input-output pins?

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78). Arduino Diecimila has ___ PWM outputs?

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79).In italy, diecimila meant for ______?

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80)._____ is the board that runs over wheels?

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81). Each wheel of the Arduino robot has ___ processors?

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82). Two types of boards exist in _____ type of Arduino board?

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83). Motor board is controlled by ______ in Arduino robots?

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84).______which reads the sensors to operate in the Arduino robot?

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85). Programming the Arduino board is the same as _____ board?

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86).Application of Arduino robots are ______?

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87). The libraries of a robot are used to control the actuators and ______?

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88). Arduino esplora looks as a _______ controlling.

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89). Sensors and actuators data output is very easy to read and ______?

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90). Arduino pro-Micro board is identical to _____ board?

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91). Arduino pro micro board has ____ digital i/o pins.

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92). Pulse width modulation pins of Arduino pro micro board are ____?

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93).___ bit ADC present in Arduino pro micro board?

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94). Arduino ethernet has ___ digital input-output pins?

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95).______ analog pins exist in Arduino pro mic?

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96). In Arduino ethernet board the connection is fed to ______?

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97). EDBG Stands for ______?

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98). Arduino Zero is a very useful board that connects _____ devices?

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99). Arduino zero has ___ digital i/o pins.

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100). RAM size in a fast Arduino board is ____?

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