When you need to quantify the color of an object, you’ve got quite a few options. You can throw a Raspberry Pi camera and OpenCV at the problem and approach it through software, or you can bu… ...

I could not scan it either, nor with “QR Code Scanner”, nor with Google Lens, nor after using Pinta to draw all LED’s to a white square, adding a white border and increasing brightness.

That’s why this tech that uses simple light as a replacement for QR codes is so awesome. The idea comes from Fujistu, and it’s pretty darn simple: replace QR codes with a LED lightbulb.

Featuring about 65,000 LED lights and a soundtrack, Mr Triantafillou's display comes with the added bonus that you can control what you see and hear. "We have a QR code or NFC sticker on the ...