Arduino Lesson 6: Potentiometers

Front

What component is connected to pin A0 in the Arduino setup?

Back

Potentiometer

Front

What is the purpose of the `Serial.begin(9600);` command in the setup function?

Back

To set the baud rate for serial communication

Front

In the code provided, what does the `analogRead(A0);` function do?

Back

It reads the input from analog pin 0

Front

What is the purpose of converting the analog reading to a voltage?

Back

To know the exact voltage moving through the circuit

Front

What is the role of the side pins of the potentiometer?

Back

They connect to +5V and ground.

Front

What is the maximum value of `sensorValue` of the analog input?

Back

1023

Front

What does the `Serial.print` function do in the code?

Back

Prints values to the serial monitor

Front

What happens if only two terminals (both outer pins) of a potentiometer are used?

Back

It acts as a fixed 10kΩ resistor

Front

What happens if only two terminals (center and either outer pin) of a potentiometer are used?

Back

It acts as a variable resistor

Front

What is the function of the wiper in a potentiometer?

Back

To adjust the resistance