How to Power Your Arduino Projects: Ultimate Guide

Want to know the best way to power your Arduino projects without frying your board or draining batteries too fast? In this video, we break down every method for powering an Arduino—from USB and barrel jacks to battery packs, the Vin pin, and even buck converters. Learn the pros and cons of each option, when to use them, and how to safely power external components like motors, LEDs, and sensors without overloading your Arduino. Don’t guess your power setup—get it right the first time! 🔗 Full Tutorial & Code: https://racheldebarros.com/arduino-projects/how-to-power-your-arduino-projects-a-complete-guide/ 📬 GET ALL MY ARDUINO CODE & PROJECTS ▶︎ https://racheldebarros.com/newsletter ▶︎▶︎ Subscribe for Arduino Tutorials & Projects Delivered to Your Inbox • Crystal-clear wiring diagrams • Copy-paste ready code •.Pro tips for troubleshooting • Code packs to inspire epic builds 🤖🎨 NEED PERSONALIZED HELP with your project? ▶︎ https://racheldebarros.com/mentorship-community ▶︎▶︎ JOIN my Engineering Artists Discord Community • Live Workshops • Arduino Project Build & Code-alongs • Small Group Office Hours • Personalized Project Support 🛒 POWER your Arduino Projects 9V 2A Wall Adapter: https://amzn.to/4lJet1A 18650 3.7V Li-Ion Rechargeable Batteries: https://amzn.to/4jCn0Bl 18650 Battery Holder: https://amzn.to/4cIlaN9 Breadboard: https://amzn.to/3AaO3CR Jumper Wires: https://amzn.to/4e5CLNU Female & Male DC Jack Adapter: https://amzn.to/4jErOGq 🎬 VIDEO CHAPTERS: How to Power Your Arduino Projects 0:00 Welcome 0:11 Find the Operating Voltage of the Arduino Itself 1:38 How to Power Your Arduino Project with a USB Power Bank 1:57 Introduction to the Barrel Jack 2:34 How to Power Your Arduino with Batteries Using the Barrel Jack 4:47 How to Power Your Arduino with a Wall Adapter Using the Barrel Jack 5:32 Introduction to the Vin Pin 6:08 How to Power Your Arduino with Batteries Using the Vin Pin 6:51 How to Power Your Arduino with a Wall Adapter Using the Vin Pin 7:32 Intro to Powering External Components and Arduino 8:13 How to Power External Components and Arduino Using the Barrel Jack 10:49 How to Power External Components and Arduino Using the Vin Pin 11:49 Intro Multi-Volt Components & Buck Converters 13:01 How to Power Arduino Project with Buck Converter Using the Barrel Jack 14:13 How to Power Arduino Project with Buck Converter Using the Vin Pin 14:43 Get Wiring Diagrams on my Website 14:53 Join my Newsletter & Mentorship Community! 💬 Have any questions or want to share your own experiences, tips and advice about how you power your Arduino projects? 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 #arduinotutorial #arduinoproject