Note
Hello, welcome to the SunFounder Raspberry Pi & Arduino & ESP32 Enthusiasts Community on Facebook! Dive deeper into Raspberry Pi, Arduino, and ESP32 with fellow enthusiasts.
Why Join?
Expert Support: Solve post-sale issues and technical challenges with help from our community and team.
Learn & Share: Exchange tips and tutorials to enhance your skills.
Exclusive Previews: Get early access to new product announcements and sneak peeks.
Special Discounts: Enjoy exclusive discounts on our newest products.
Festive Promotions and Giveaways: Take part in giveaways and holiday promotions.
👉 Ready to explore and create with us? Click [here] and join today!
Video 22: Measuring Distance with the HC-SR04 Ultrasonic Sensor¶
Learn how to measure distance using the HC-SR04 ultrasonic sensor with a Raspberry Pi, including wiring, coding, and unit conversion. Explore troubleshooting tips, understand distance measurement principles, discover practical applications, and receive a homework assignment to measure the speed of sound experimentally.
Introduction: Overview of the tutorial and sponsorship acknowledgment.
Previous Assignment: Recap of the HC-SR04 sensor assignment from the previous lesson.
Setup and Wiring: Explanation of the wiring setup, including connection to the Raspberry Pi.
Code Explanation: Understanding the code for measuring ping travel time and distance.
Troubleshooting: Tips for identifying and fixing coding errors.
Understanding distance measurement: Explanation of ultrasonic sensor principles.
Correction factor: Recognizing the correction needed for accurate distance measurement.
Unit Conversion: Discussion on converting units for accurate measurement.
Practical applications: Exploring real-world uses of ultrasonic sensors.
Fusion 360 integration: Encouragement to combine Raspberry Pi skills with 3D printing knowledge.
Homework assignment: Challenge to experimentally measure the speed of sound using the sensor.
Video