Download our app from

https://play.google.com/store/apps/details?id=pixilab.se.talkingguide

To program, use separate NFC app, such as "NFC Tools" for Android

https://play.google.com/store/apps/details?id=com.wakdev.wdnfc

Program a URL like this:

http://pixi.guide/nfc?locationId=XX

where XX is the ID-number

The two most common NFC tags are: NDEF och MIFARE ULTRALIGHT. https://stackoverflow.com/questions/53032074/nfc-tag-type-specification https://www.shopnfc.com/en/content/7-nfc-compatibility https://nfc-forum.org/our-work/specifications-and-application-documents/specifications/nfc-forum-technical-specifications/

Please note all of the above is preliminary documentation for testing purposes only.