Microcontroller-Powered Lunchbox Makes Printed Versions of QR Code Menus


Some restaurants no longer use printed menus and instead offer digital menus which are only accessible by scanning QR codes. Guy Dupont’s project is designed for those who still insist on reading the physical menu. Dupont created a portable Lunchbox printer This creates a menu using the information found on the URL by scanning the QR Code.

It was intended to use the device in restaurants, where it would scan QR codes menus to print them. Dupont has connected an ESP-32 to a thermal printer generic. This module can connect to the Internet, which is required to retrieve menu data.

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