Scan QR codes in URLs and print the webpage on a small thermal receipt printer.
This application uses Printooth as its printing library.
https://github.com/mazenrashed/Printooth
Thanks for providing this great library.

Tested printers:
Aixiqee Mini Sticker Printer
iDPRT Portable Sticker Maker Machine
Phomemo T02 / Q02
Sunydog Receipt Printer (Passcode 0000)
YWBL-WH POS Printer (Passcode 0000)
Fafeicy PT280 Mobile Printer (Passcode 0000)
JK-5803P Mobile Thermal Printer (Passcode 0000)

Instruction manual :
https://www.gadgetlabo.com/home/qr-printooth/