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liuday1 [2019/04/16 09:22] liujin 创建 |
liuday1 [2019/04/16 22:19] (当前版本) liujin |
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| + | # 蓝牙音箱 | ||
| ## 蓝牙 | ## 蓝牙 | ||
| ### 什么是蓝牙？ | ### 什么是蓝牙？ | ||
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| ### 蓝牙的工作原理 | ### 蓝牙的工作原理 | ||
| - | > The Bluetooth protocol operates at 2.4GHz in the same unlicensed ISM frequency band where RF protocols like ZigBee and WiFi also exist. There is a standardized set of rules and specifications that differentiates it from other protocols. If you have a few hours to kill and want to learn every nook and cranny of Bluetooth, check out the published specifications, otherwise here's a quick overview of what makes Bluetooth special. | + | > The Bluetooth protocol operates at 2.4GHz in the same unlicensed ISM frequency band where RF protocols like ZigBee and WiFi also exist. There is a standardized set of rules and specifications that differentiates it from other protocols. |