Robotics

What does a temperature sensor measure?

• • Distance

• • Light

• • Temperature

• • Sound

Which sensor would you use to measure how far away an object is?

• Photoresistor

• Gas sensor

• Ultrasonic sensor

• Temperature sensor

What does the setup() function do in an Arduino sketch?

• Repeats code continuously

• Sets up the initial configuration

• Reads sensor data

• Controls output devices

Which function is used to write a HIGH or LOW value to a pin?

• analogRead()

• • delay()

• • pinMode()

• digitalWrite()

What does the analogRead() function do?

• Sets a pin to HIGH or LOW

• Reads an analog value from a pin

• Outputs a PWM signal

• Configures pin modes

Which function in Arduino is used to set the mode of a pin?

• • digitalWrite()

• • analogWrite()

• • pinMode()

• • analogRead()

What is the maximum voltage that can be safely applied to an Arduino Uno's digital input pins?

• • 3.3V

• • 5V

• • 9V

• • 12V

What is the range of values that can be written using the analogWrite() function in Arduino?

• • 0 to 5

• • 0 to 1023

• • 0 to 255

• • 0 to 4095

What innovative use can an infrared (IR) sensor have in home automation?

• • Detecting sound levels

• • Measuring temperature of objects from a distance

• • Sensing vibrations in the ground

• • Detecting magnetic fields

How can you use an Arduino to build a smart irrigation system for a garden?

• • By measuring the ambient temperature

• • By using soil moisture sensors and controlling water pumps

• • By monitoring air quality

• • By detecting the presence of pests