I Built a QR-Code File Transfer App with Spring Boot and Vanilla JavaScript

What if you could send a file from one device to another with no cable, no Bluetooth and no cloud upload, using only a screen and a camera? That was the idea behind QR File Transfer, a small project I built with Spring Boot, MySQL and plain JavaScript. The sender's screen plays a stream of QR codes, and the receiver's camera scans them and... Weiterlesen: I Built a QR-Code File Transfer App with Spring Boot and Vanilla Java…