The best way to describe Arduino ... QR or Quick Response codes are like UPC bar codes, but can carry boatloads of information for your customers. All they need to do is scan the code with ...

Patrick explains more about his latest hardware creation and its features : Meet the Arduino Compatible RFID Reader Module ... you’ll receive the Arduino code, so that you can modify ...

But his final iteration was to make a standalone reader with an Arduino and use WebUSB to connect ... a short-range solution so barcodes and QR codes were out. He also decided against RFID but ...