![]() SSID is the name of the network that you wanna connect to. ![]() Now, a common way to do it is to call WiFi.begin with one argument, ssid. Just no arguments, it powers up the shield and initializes it. No arguments, if you pass no arguments it just initializes the shield, so that's one way to call Wifi.begin. WiFi Initialization, so what do you do first? Wifi.begin so that's very common. So, the library is similar to the Ethernet library, not exactly the same. The IEEE standard uses is 802.11 There are varieties of this, V, there are suffixes, N, I can't remember which one they're on now, but 802.11 something is the current WiFi standard. Now there are some differences, and we'll talk about those. Sending data on one shield versus sending on another is a very similar operation. So in a lot of ways it's very similar from a programmer's point of view. It allows you to connect to the internet, but it does it through a wireless interface, rather than a wired interface like an ethernet shield would do. Actually it's relatively similar, I mean what it does at a high level is basically the same thing as a ethernet shield. So we talked about the ethernet shield, and now we'll talk about a WiFi shield.
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