Will a code work in bright sunlight?

Glare is the enemy. Use a matte laminate rather than gloss, print it large, and angle it away from direct sun if you can.

What if the site has no signal?

Markets and festivals often have terrible signal. Keep a printed menu as backup, and prefer payment methods that work offline.

Menus, payment and where you are parked tomorrow — all changeable from your phone between services.

Sell out of something at noon? Update the page, and the code on the hatch is already correct.

A payment code at the window moves a queue faster than a card machine on a bad signal.

A code pointing at your schedule. Regulars will follow you across town if they can find you.

Website link

Make it dynamicEdit the destination after printing, and track every scan. Requires a free account.

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Error correction M — good for print and screen

Will a code work in bright sunlight?: Glare is the enemy. Use a matte laminate rather than gloss, print it large, and angle it away from direct sun if you can.
What if the site has no signal?: Markets and festivals often have terrible signal. Keep a printed menu as backup, and prefer payment methods that work offline.