Quiz g11 v2

What is the name of the pins?

• DATA - 3V - GND

• SIG – VCC - GND

• OUT – (+) – (-)

• TRIG – ECHO - GND

What is the syntax used to define columns and rows in an LCD?

• lcd.init

• lcd.setCursor();

• lcd.backlight;

• lcd.setcursor

Which of the following is used to add a library in the code?

• #include

• #define

• #library

• int library;

Which data type is used to declare functions that do not return any value, such as collecting data from sensor components?

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How we declare servo motor in code?

• servo myservo;

• String servo;

• #include servo

• char servo;

What will happen if the wires connected to pins 1 and 3 of a potentiometer are swapped?

• It will be an error

• It will make the code running from right to left

• The direction of resistance variation will reverse.

• The potentiometer could be damaged.

How to add/include library to arduino IDE?

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What does the following code indicate?
int val = digitalRead(2);

• It assigns a fixed value to the “val” variable.

• It reads a digital input from pin 2 and stores it in “val”.

• It reads an analog signal from pin 2 and stores the value in “val”.

• It sets pin 2 as an analog output.

What is wrong with the circuit design?

• Servo orange pin need to connect to power

• Potentiometer need to connect to digital pin

• LED is missing gnd wire

• Resistor wrongly placed

Which data type is used to store numerical values?

• Num

• Int

• String

• Char