Arduino Robot: Line Tracking & Obstacle Avoid

Elmer is a fun and powerful DIY robot car project designed for makers who love robotics and electronics. 🔥 What it does Follows a line Avoids obstacles Turns lights ON automatically in the dark Switches modes with a button 🛠️ Why you’ll like it Easy to build Highly interactive Great learning project 📦 Files included Arduino code (EN/ES) Circuit diagram Assembly instructions ✔ Use this battery holder 👉 Perfect weekend project 🚀