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注意：目前價格僅供參考。
SparkFun電氣進出口盾
原名
SparkFun Electric Imp Shield
貨號
DEV-12887
特價
427
資料來源：https://www.sparkfun.com/products/12887
If you aren’t familiar with the Electric Imp, it essentially provides an easy, integrated way to connect almost any hardware device both to other devices and to internet services. It’s more than just a WiFi card, or even a WiFi module with processing built in - it’s an integrated platform that deals with the drudgery of connectivity, allowing you to concentrate on the application instead of the mechanics. Of course, if you’re developing for it you’ll need a way to get in there and poke around. The SparkFun Electric Imp Shield allows you to connect your Arduino project to the internet through your home WiFi network. This way, your Arduino can take advantage of the Imp Cloud service and connect to HTTP APIs.
The Shield connects one of the Imp’s UARTs (Imp pins 5 and 7) to either the Arduino hardware UART or a software serial on pins 8 and 9. It defaults to the software serial, but there are jumpers on the bottom side to set it to the hardware serial. A couple imp pins (8 & 9) are also connected to LEDs. They can be disconnected via jumpers on the bottom, if you’d like.
Because the Electric Imp can draw up to 400mA on the 3.3V line, this shield has its own voltage regulator which is fed from the 5V Arduino line. Most Arduino compatible boards should be able to handle this amount of draw but beware that some clones that use less robust VREGs could see trouble.
Note: This shield does NOT come with the Electric Imp card.
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如果你不熟悉的電器小鬼，它實質上提供了幾乎所有的硬件設備都連接到其他設備和互聯網服務的方便，集成的方式。這不僅僅是一個WiFi卡，甚至建在處理的WiFi模塊 - 它是一個集成平台，與連接的苦差事交易，讓您專注於應用程序，而不是機制。當然，如果你正在為它開發你需要一個方式那裡得到和閒逛。在SparkFun電氣進出口盾，您可以通過家庭WiFi網絡的Arduino的項目連接到互聯網。這樣，你的Arduino可以採取小鬼雲服務的優勢，並連接到HTTP的API。
盾連接小鬼的個UART（IMP引腳5和7）無論是Arduino硬件UART或引腳8和9默認為軟件序列軟件系列之一，但也有跳線的底部將其設置為硬件序列。一對夫婦小鬼引腳（8 9）也被連接到LED指示燈。他們可以通過跳線在底部斷開，如果你願意的話。
因為電動小鬼可以借鑒高達400mA的3.3V電源電壓，這個屏蔽層是由5V的Arduino線餵養自己的穩壓器。大部分的Arduino兼容的電路板應該能夠處理平局這個數額，但要注意一些使用不太可靠VREGS克隆可以看到麻煩。
注：此防護板不附帶電器進出口卡。
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