How is and how long does NegaRytm work?

What is a QR-Codes?

QR is an abbreviation of the phrase “quick reaction codes” or which is square in shape and was first invented by a Japanese researcher. Unlike standard UPC barcodes, which consist of vertical lines and numbers, a QR code not only contains much more information, but the extensive information it contains can be quickly accessed.

How to scan the QR-codes on the board for iOS users

iPhone phone users (iOS operating system) do not need to download the QR barcode reader application. To scan a board with an iPhone, just open the phone’s camera app and point at the bar code of the board. Then you will quickly see a message at the top of the screen, which you can click on to listen to the sound of the panel.

How to scan the QR-codes on the board for Android users

If you are an Android user, first install the barcode reader program from Google Play, then just enter the barcode reader program, then point the phone camera (when you are in the program) to the barcode to scan. Then the program will show you a link, just click on it to play the sound.