02 Using LEDs (PICO)

What is the function of a breadboard in physical computing?

• To make solderless connections between electronic components

• To control the flow of current in the circuit

• To store data for the microcontroller

• To provide power to the circuit

Which leg of an LED is the positive leg?

• The left leg

• The long leg

• The middle leg

• The short leg

What is the purpose of a resistor in a circuit with an LED?

• To increase the brightness of the LED

• To control the voltage of the LED

• To limit the current flowing through the LED

• To change the color of the LED

In the provided MicroPython code, what does the 'led.value(1)' line do?

• Flashes the LED

• Changes the color of the LED

• Turns off the LED

• Turns on the LED

What happens when you decrease the SLEEP value in the MicroPython code?

• The LED changes color

• The LED flashes faster

• The LED flashes slower

• The LED becomes dimmer

What is the purpose of the 'led1.toggle()' line in the provided MicroPython code?

• Changes the color of the first LED

• Turns off the first LED

• Turns on the first LED

• Toggles the state of the first LED

What happens when you change each SLEEP value to different values in the provided code?

• The LEDs flash at different speeds

• The LEDs change color

• The LEDs flash at the same speed

• The LEDs turn off

What is the main function of an LED?

• To emit light when current flows through it

• To store data for the microcontroller

• To control the flow of current in the circuit

• To provide power to the circuit

What is the name of this components?

• Bulb

• Light Emitting Diode

• Resistor

• Sensor

What is the most suitable use of this component?

• To increase electrical flow

• To keep a stable current

• To reduce electrical flow

• To make a circuit pretty