Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color ... of a traditional 1D bar code.

Here are some of the best Barcode scanners on Amazon. Here’s a handheld scanner built for 1D barcodes. The Handheld Wired 1D Barcode Scanner can effectively scan 1D barcodes in bright sunlight ...