How to Make QR Codes on iPhone or iPad. Barcodes—or in this case, QR codes—consist of basic black and white patterns that, ...

Not the barcodes, the wacky grid things? Those are QR codes, or quick response codes, and they can immediately take you, via smartphone or iPad, to a website where you can learn more, make a ...

The iPad QR Code Real-Time Lockout-Tagout Auditing from ESC Services Inc. uses customized QR codes that are placed on all pieces of equipment for use with the application. Using this system ...