How to open a lock with QR code?

If you have a QR code identifier, use the following tips to improve QR readability:

  • make sure that there is no protective film on the panel camera;

  • the code must be valid when it is used;

  • sunlight must not fall on the camera;

  • keep the code at the same horizontal level as the camera;

  • the distance between the camera and the code must be 25-40 cm;

  • hold the identifier in a stationary position for 5 seconds.

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