Arduino Bootcamp Projects - Ultrasonic Sensor Alarm

Lee Assam, University Instructor, Software Developer

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8 Videos (20m)
    • Introduction

      1:18
    • Parts that are needed

      0:22
    • Understanding how ultrasonic sensors work

      1:32
    • Explaining the circuit diagram

      1:30
    • Wiring up the circuit

      5:20
    • Uploading the code and project demonstration

      3:14
    • Explanation of the code

      5:37
    • Summary

      0:49

About This Class

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This project introduces you to the HC-SR04 Ultrasonic Sensor. We will be creating an alarm circuit with a buzzer and warning LEDs. You will understand how an ultrasonic sensor works and how to interact with it in code. This is a very handy addition to your Arduino electronics projects for obstacle avoidance.

Learning Objectives:

  • How an ultrasonic sensor (HC-SR04) works
  • The pinouts and how to connect an ultrasonic sensor in a circuit
  • How the pulseIn() function works

If you would like to learn more about the Arduino and build projects like these, check out my Udemy Course:

Arduino Bootcamp: Learning Through Projects

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Lee Assam

University Instructor, Software Developer

Hi, I am Lee Assam. I bring to the table 18+ years of programming, development and IT experience. I have a Bachelor's degree in Electrical and Computer Engineering and a Master's Degree in Computer Science.

I teach at Universities on topics ranging from Software Development to Electrical Engineering and prototyping. I like coming up with new ideas and prototyping them using the Arduino and Raspberry Pi platforms.

My passion and hobby is Arduino and the Internet of Things. I hav...

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