Post Although quick-response (QR) codes are rather simple monochrome affairs, adding embellishments to them is a popular acti…

Although quick-response (QR) codes are rather simple monochrome affairs, adding embellishments to them is a popular activity, if only to make QR codes not stick out like a sore thumb …read more (https://hackaday.com/2026/11/06/using-halftone-images-in-qr-codes-without-upsetting-scanners/)