Posts tagged qrcodes
Displaying QR codes on 8-bit hardware
- 01 December 2022
It’s often hard to interface the world of 8-bit computing with modern digital devices. These machines don’t have USB, Wifi, Ethernet, or anything resembling a modern interface.
It’s interesting to think about ways older machines can communicate with modern devices using only hardware of the era – even if it might be kind of convoluted. One of these methods might be via QR code.
A QR code is a two-dimensional pattern that encodes a short string of bytes or text – often a URL. These patterns can be printed on paper, or displayed on a screen. If you scan the pattern with your phone’s camera, it decodes the pattern, and displays the encoded text or URL.
![](../../_images/qrcodevcs.png)