How to Control a Servo with an Ultrasonic Sensor and Arduino + Code

Rachel De Barros January 4, 2025
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Rachel De Barros

@racheldebarroslive

About

Master Arduino Programming For Any Project! Go from absolute beginner to building and coding your own Arduino projects from scratch using the most popular electronics components, even if you’ve never coded or built a circuit before. Ditch those boring tutorials! I’m Rachel De Barros, and I’m here to help you master Arduino, electronics and robotics to bring your tech ideas to life! No fluff, no filler – just hands-on, project-based learning with live video chat support and accountability that will have you building home automation, weather, motorized prop, robotics, wireless IoT-enabled projects and more in no time!

Video Description

Ready to make your Arduino projects interactive? Join me as I show you how to control a servo motor using an ultrasonic sensor and Arduino. We'll wire all the components together, dive into the code with line-by-line explanations, and explore two fun examples: a servo snapping to attention where the servo rotates to a specific angle when an object is detected at a specific distance and a dynamic setup where the servo rotates smoothly from 0° to 180° based on how close or far the object is. Whether you're building props, a robotic arm, displays, or just want to add some interactivity to your Arduino projects and props, this Arduino tutorial is packed with possibilities! 🔗 Full Tutorial & Code: http://racheldebarros.com/how-to-control-a-servo-with-an-ultrasonic-sensor-and-arduino/ ▶️ Get Started with Ultrasonic Sensors and Arduino: https://www.youtube.com/watch?v=ZqQgxgnH9wg 🤖 WANT MORE Arduino projects with wiring diagrams and code? NEED GUIDANCE with your project? ▶︎ JOIN my Discord Community ▶︎▶︎ https://racheldebarros.com/membership • Live Workshops • Arduino Project Build & Code-alongs • Small Group Office Hours • Personalized Project Support Prefer to join through Patreon instead? I'm on there too! (same membership perks) ▶︎▶︎ https://patreon.com/racheldebarros 🛒 BUILD YOUR OWN Servo and Ultrasonic Sensor with Arduino Project: Arduino Uno: https://amzn.to/3Ylh2fg HC-SR04 Ultrasonic Sensor: https://amzn.to/4fhJJAy Micro Servo: https://amzn.to/4eNKq44 Breadboard: https://amzn.to/3AaO3CR Jumper Wires: https://amzn.to/4e5CLNU 4 AA Battery Holder: https://amzn.to/4g762Jz 🎬 VIDEO CHAPTERS: Control a Servo with an Ultrasonic Sensor and Arduino 0:00 Welcome 0:29 How an Ultrasonic Sensor Works 1:59 How to Calculate Distance with an Ultrasonic Sensor 2:31 Ultrasonic Sensor Pinout 2:38 How to Wire an Ultrasonic Sensor to an Arduino Uno 4:17 How to Wire a Servo to an Arduino Uno 5:02 How to Power a Servo with External Power Source 6:19 How to Power an Ultrasonic Sensor with Arduino Uno 7:05 Arduino Code: Rotate Servo at Specific Distance with Ultrasonic Sensor 16:46 Arduino Code: Rotate Servo Continuously Based on Distance with Ultrasonic Sensor 21:12 Get the Arduino Code 21:25 Join my Community for Live Events & More Code! 💬 Have any questions or want to share your own experiences, tips and advice about using an ultrasonic sensor with Arduino to control a servo? Drop a comment below – I love hearing from you! 🔔 If you find this video helpful, please hit that like button 👍 and consider subscribing to my channel for more Arduino/props/robot tutorials, tips, and tricks. Your support helps me create more content like this! ---------------------------- Some links here (Amazon) might earn me enough nuts and bolts (aka commission) to keep the LEDs blinking and servos turning. No extra cost to you, just a lil' fuel for my caffeine-powered nights of DIY-ing and passing on what I learn to all of you. I only feature stuff that's survived my "Did-it-Explode?" test. Build on, and thanks for the recharge! #arduino #ultrasonicsensor #servo #servomotor #arduinocode #arduinoproject #arduinotutorial #arduinoprogramming

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