Arduino Uno and Sensors Quiz

What is the function of the analog pins in Arduino Uno?

• To connect to the internet

• To read analog voltage levels from sensors or other devices.

• To play audio files from an SD card

• To control the digital output of the Arduino Uno

What type of sensors produce a continuous range of values as output?

• Discrete sensors

• Binary sensors

• Analog sensors

• Digital sensors

What is an example of a digital sensor commonly used with Arduino Uno?

• Ultrasonic sensor

• Temperature sensor

• IR sensor (Infrared sensor)

• Pressure sensor

Which type of sensors produce binary output?

• Digital sensors

• Analog sensors

• Variable sensors

• Continuous sensors

What is an example of a sensor that can be used with Arduino Uno to measure distance?

• Ultrasonic sensor

• DHT11 temperature and humidity sensor

• RGB LED sensor

• Laser distance sensor

How do you connect an analog sensor to Arduino Uno?

• Using the analog input pins (A0-A5)

• Using the 5V power supply pin

• Using the USB port

• Using the digital input pins (D0-D13)

How do you connect a digital sensor to Arduino Uno?

• Use a hammer to physically connect the sensor to the Arduino Uno

• Use a USB cable to connect the sensor to the Arduino Uno

• Use jumper wires to connect the sensor's pins to the Arduino Uno

• Use a Bluetooth connection to connect the sensor to the Arduino Uno

What are some common issues when interfacing sensors with Arduino Uno?

• Too much humidity

• Using the wrong code library

• Excessive heat

• Incorrect wiring, incompatible voltage levels, lack of proper calibration

How can you troubleshoot sensor connections with Arduino Uno?

• Shake the sensor to see if it responds

• Use a hairdryer to warm up the sensor

• Blow on the sensor to see if it reacts

• Check the wiring, ensure proper power, and use a multimeter to test for continuity and voltage.

What is the advantage of using analog sensors with Arduino Uno?

• They provide a binary output for easy interpretation

• They can measure a continuous range of values

• They are more resistant to environmental factors

• They require less power to operate