Pins

Question 1

What are digital pins used for?

Answer 1

To read or send digital signals

Example: Turning on a LED on/off

Question 2

What commands are associated with digital pins?

Answer 2

• Digital Read (pin)
• Digital Write (pin)

These commands allow for reading from and writing to digital pins.

Question 3

What are analogue pins used for?

Answer 3

To read or send analogue signals

Example: Reading values from sensors

Question 4

What commands are associated with analogue pins?

Answer 4

• Analog Read (pin)
• Analog Write (pin)

These commands allow for reading from and writing to analogue pins.

Question 5

What are the two common types of pins?

Answer 5

• Input pins
• Output pins

Input pins receive data from sensors; output pins send data to actuators or LEDs.

Question 6

What is an ‘if’ statement?

Answer 6

A conditional statement that runs specific code only if the condition is true

Commonly used to check the state of a button or sensor and respond accordingly.

Question 7

What is an LCD screen?

Answer 7

A displaying module that shows text or images using liquid crystal technology

LCD stands for Liquid Crystal Display.