4 Arduino: Digital Inputs

Front

What is the function of 'pinMode(6, OUTPUT);' in the setup function?

Back

It sets the 6 pin as an output.

Front

What is the role of 'digitalWrite(grnLED, LOW);' in the loop function?

Back

It turns the LED off.

Front

What is the initial state of the grnLED when button A is not pressed?

Back

OFF

Front

What is the effect of adding a delay in the loop function?

Back

It slows down the program

Front

What happens if you do not start serial communication in the setup function?

Back

The Serial Monitor will not display messages

Front

What is a digital device?

Back

A device that only has two states: on or off/high or low

Front

What is an analog device?

Back

A device that has many states: usually anywhere from 0 to 225.

Front

What does the line of code digitalWrite() do?

Back

It sets a digital device to either a high or low state

Front

What does the line of code analogWrite() do?

Back

It sets an analog device to any state from 0 to 255.

Front

What does the line pinMode() do?

Back

It defines whether a device is input or output and what pin it is on.