I'm sure you've experienced friends asking you for your Wi-Fi password when they come over, and I bet that most times the answer is "Don't remember," "I'm not sure," or "Let me check the router sticker." In this recipe, we will learn how to create an application to write a simple Wi-Fi network configuration to an NFC tag that allows us to stick it somewhere around the house.
We will store three Wi-Fi network fields, the SSID, the security type, and the password in the tag. When we read it, we will add the network to our device and enable the Wi-Fi adapter:
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