Anyone who has been to a restaurant in the last few months might have scanned a square barcode with their phone to pull up their dinner menu or pay for their meals to limit contact with servers. Now ...

The use of Google Sheets can help you in executing a working QR code attendance system. How do schools and offices revolutionize their attendance checking means with QR codes? As the schools and ...

QR (quick response) codes have been around for nearly 30 years. Developed in 1994 by a Japanese engineer for the purpose of tracking components in car factories, they have evolved into a highly ...