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Identification tag with a QR code hanging from a collar next to a phone

Case study · Pets

Argus

A tag with QR and NFC, a registration service and geolocation. A lot of pieces that had to work for someone who has just found a dog in the street.

The need

The project

Argus is a pet identification tag with two systems —a QR code and an NFC chip— and a service behind it: when someone scans it, the owner gets an email and a text message with the pet's location.

It has a design quirk that makes it interesting as a case: the user you have to design the critical part for is not the customer who pays. It is the stranger who has found a lost animal, in a hurry, in the street, with no appetite for installing anything.

It was built entirely in English because it sells in the United States.

Rolled leather collar with an engraved metal tag next to a lead

The starting point

The challenges.

What had to be solved before talking about colours.

  • Whoever finds the animal shouldn't have to install an app or create an account
  • Two technologies on the same tag: QR for any camera and NFC for tapping a phone
  • Separating shop and service across two domains without losing the buyer between them
  • Registration with email verification and one record per pet, not per user

What we did

The solution.

The whole chain: the tag, the registration, the alert and the shop.

  1. An alert without installing anything

    Whoever scans the tag opens an ordinary web app that asks for permission to geolocate and notifies the owner by email and SMS with the pet's location.

  2. QR and NFC on the same tag

    The QR works with any phone camera; NFC works by tapping the phone without opening anything. Two routes, because not everyone uses the same one.

  3. Registration per pet, not per person

    Sign-up with email verification and one record per animal, because someone with two dogs has two tags and doesn't want two accounts — and one dog can have several owners.

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