To program NFC tags, you’ll need an open NFC tag, an NFC-compatible smartphone, and an app to program the tags.
How program an NFC chip + NFC Home automation
A Beginner's Guide: How to Use NFC Tag to Trigger SONOFF Smart Home Devices? - SONOFF Official
How To Easily Program NFC Tags With Your IPhone Launch Shortcuts And More Automatically With NFC
How To Write NFC Tags With An Android Phone - Seritag
Custom NFC tags – how to trigger any action with a tap - TapSmart
How To Program An NFC Tag With Your Android Phone?
How to Scan NFC Tags or QR Codes. Need to read an NFC tag or scan a QR…, by Blue Bite
How to Program NFC Tags? Android & iOS - Xinyetong
How to Write NFC on Android
Programming NFC Tags
How To Write NFC Tags With An Android Phone - Seritag
How to Easily Program NFC Tags with Your iPhone Launch Shortcuts and More Automatically with NFC