What you'll learn
- Understand how ultrasonic waves are used to calculate distance via 'Time of Flight'.
- Be able to use the pulseIn() function to measure the duration of a digital signal.
- Learn to convert raw time data into physical measurements (centimeters) using mathematical constants.
- Identify the difference between Trigger (output) and Echo (input) pins in sensor communication.
What's in the kit
- Arduino UNO
- HC-SR04 Ultrasonic Sensor
- Breadboard
- Jumper Wires (M-M)×4
- USB Cable (Type A to B)
Protocol: digital
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