📱 DAY 2/7: QR Code Generator - Turn ANY Link Into a Scannable Code! QR codes are everywhere - restaurants, business cards, event tickets. Today we’re learning how they work AND building our own generator! 🧠 THE LOGIC: QR codes are basically data encoded into a visual pattern: 1️⃣ Your data (URL/text) converts to binary (1s and 0s) 2️⃣ Binary becomes a grid pattern (black = 1, white = 0) 3️⃣ Error correction is added (so it works even if partially damaged!) 4️⃣ Position markers (those 3 corner squares) help scanners read it Mind blown? Same! 🤯 💻 THE CODE: Using Python’s `qrcode` library: ✓ Create QR object with custom settings ✓ Add your data (URL, text, whatever!) ✓ Generate the pattern with error correction ✓ Save as an image file ✓ Done in 8 lines of code! 🎯 REAL-WORLD USE: • Link to your Instagram/portfolio on business cards • Event tickets with embedded information • Restaurant menus (contactless) • Product packaging with tracking info • Payment systems (like PayPal/Venmo...