Arduino and Cretile Kit Quiz

What is the function of a breadboard?

• Cook bread

• Connect electronic components without soldering

• Program an Arduino

• Store electricity

The long vertical strips on the sides of a breadboard are usually used for:

• Resistors

• LEDs

• Power supply

• Transistors

Which Arduino board is commonly used by beginners?

• Arduino Uno

• Raspberry Pi

• ESP8266

• NodeMCU

What pin on Arduino is used for ground connection?

• 5V

• GND

• RX

• A0

An LED has how many legs?

• 1

• 2

• 3

• 4

What does the longer leg of an LED represent?

• Ground

• Positive (Anode)

• Negative (Cathode)

• Doesn't matter

What happens when you reverse the polarity of an LED?

• It lights brighter

• It doesn’t light up

• It charges

• It plays music

What does an LED do when it is powered correctly in a circuit?

• It stores energy

• It makes a sound

• It lights up

• It vibrates

Which language is used to program Arduino in the Arduino IDE?

• Java

• Python

• C/C++

• HTML

What is the function of the setup() function in Arduino code?

• To loop forever

• To define variables

• To run once at the start

• To end the code