1. Select the **WRITE** button to write the OS to the SD card. If you are using macOS, you will be asked to enter your password as the underlying tool that writes disk images needs privileged access.
1. Select the **WRITE** button to write the OS to the SD card. If you are using macOS, you will be asked to enter your password as the underlying tool that writes disk images needs privileged access.
The OS will be written to the SD card, and once complete the card will be ejected by the OS, and you will be notified. Remove the SD card from your computer, insert it into the Pi and power up the Pi.
The OS will be written to the SD card, and once complete the card will be ejected by the OS, and you will be notified. Remove the SD card from your computer, insert it into the Pi, power up the Pi and wait for about 2 mins for it to properly boot.
所有后续课程都包括使用物联网设备与物理世界交互，并与云通信的作业。每节课会支持3种设备选择：Arduino（使用Seeed Studios Wio Terminal）或者单板机，物理设备（Raspberry Pi 4），或在你的电脑上运行的虚拟单板机。
你能在[硬件手册](../../../hardware.md)查到需要用来完成作业的硬件。
你能在[硬件手册](../../../../hardware.md)查到完成作业所需的硬件。
> 💁 你不需要为了完成作业而买任何 IoT 硬件；所有东西可以使用一个虚拟单板机来做。
> 💁 你不需要为了完成作业而买任何物联网硬件；虚拟单板机即可完成所有任务。
要使用哪个硬件是你的选择，取决于你家里或学校里有什么，以及你知道或想学的编程语言。两种硬件都利用同样的感应器系统，所以万一你想途中改变你的选择，你也不需要替换大部分的套件。用虚拟单板机学跟用一个 Raspberry Pi 学差不多一模一样，而且你可以把大多数的程序转换去你的 Pi 如果你后来得到一个设备和感应器。
要使用哪种硬件是你的选择，取决于你家里或学校里有什么，以及你知道或想学的编程语言。两种硬件都使用同样的传感器生态系统，所以万一你想途中改变你的选择，你也不需要替换大部分的套件。用虚拟单板机相当于在Raspberry Pi上学习，如果你最后购买了设备和传感器，大部分代码都可以转移到 Pi 上。
### Arduino 开发者套件
### Arduino 开发者套件
@ -104,117 +104,119 @@ Raspberry Pi 是其中最流行的单板机。
### 单板机开发者套件
### 单板机开发者套件
如果你对使用单板机学 IoT 开发有兴趣，你可以用一个 Raspberry Pi 完成作业，或者在你的电脑运行的虚拟设备。
> * [Python for beginners（为初学者的 Python）](https://channel9.msdn.com/Series/Intro-to-Python-Development?WT.mc_id=academic-17441-jabenn)
> * [Python for beginners（为初学者的 Python）](https://channel9.msdn.com/Series/Intro-to-Python-Development?WT.mc_id=academic-17441-jabenn)
> * [More Python for beginners（更多为初学者的 Python）](https://channel9.msdn.com/Series/More-Python-for-Beginners?WT.mc_id=academic-7372-jabenn)
> * [More Python for beginners（更多为初学者的 Python）](https://channel9.msdn.com/Series/More-Python-for-Beginners?WT.mc_id=academic-7372-jabenn)
作业将用 [Visual Studio Code](https://code.visualstudio.com/?WT.mc_id=academic-17441-jabenn)。
作业将用 [Visual Studio Code](https://code.visualstudio.com/?WT.mc_id=academic-17441-jabenn)。
如果你在用一个 Raspberry Pi，为了运行你的 Pi，你可以通过完整的桌面 Raspberry Pi 操作系统以及用 [VS Code 的 Raspberry Pi 操作系统版本](https://code.visualstudio.com/docs/setup/raspberry-pi?WT.mc_id=academic-17441-jabenn)直接在你的 Pi 写程序，或者把它当成一个无头设备，从你的电脑用 VS Code 的 [Remote SSH 扩展](https://code.visualstudio.com/docs/remote/ssh?WT.mc_id=academic-17441-jabenn)写程序；这个扩展让你链接你的 Pi，便编辑你的程序、从程序排除错误和运行程序，就像如果你直接在 Pi上写程序一样。
如果你使用的是Raspberry Pi，则可以使用完整桌面版 Raspberry Pi OS 运行你的树莓派，并使用 [VS Code 的 Raspberry Pi OS版](https://code.visualstudio.com/docs/setup/raspberry-pi?WT.mc_id=academic-17441-jabenn)直接在你的树莓派上写程序。或者把它当成一个无头设备，从你的电脑用 VS Code 的 [Remote SSH插件](https://code.visualstudio.com/docs/remote/ssh?WT.mc_id=academic-17441-jabenn)写程序；这个插件让你连接到树莓派，编辑，调试和运行代码，就像你直接在树莓派上写程序一样。
* 这个推特户口**[Internet of Sh*t](https://twitter.com/internetofshit)** *(亵渎警告)* 有几个关于消费者 IoT 失败的好例子。
* 这个推特账户 **[Internet of Sh*t](https://twitter.com/internetofshit)** *(亵渎警告)* 有几个关于消费物联网失败的好例子。
* [c|net - My Apple Watch saved my life: 5 people share their stories](https://www.cnet.com/news/apple-watch-lifesaving-health-features-read-5-peoples-stories/)
* [c|net - 我的 Apple Watch 救了我一命：5个人分享他们的故事](https://www.cnet.com/news/apple-watch-lifesaving-health-features-read-5-peoples-stories/)
* [c|net - ADT technician pleads guilty to spying on customer camera feeds for years](https://www.cnet.com/news/adt-home-security-technician-pleads-guilty-to-spying-on-customer-camera-feeds-for-years/) *(触发警告：未经同意的偷窥)*
@ -27,8 +27,8 @@ Sensors are hardware devices that sense the physical world - that is they measur
Some common sensors include:
Some common sensors include:
* Temperature sensors - these sense the air temperature or the temperature of what they are immersed in. For hobbyists and developer, these are often combined with air pressure and humidity in a single sensor.
* Temperature sensors - these sense the air temperature or the temperature of what they are immersed in. For hobbyists and developers, these are often combined with air pressure and humidity in a single sensor.
* Buttons - they sense when they have been pressed.
* Buttons - these sense when they have been pressed.
* Light sensors - these detect light levels and can be for specific colors, UV light, IR light, or general visible light.
* Light sensors - these detect light levels and can be for specific colors, UV light, IR light, or general visible light.
* Cameras - these sense a visual representation of the world by taking a photograph or streaming video.
* Cameras - these sense a visual representation of the world by taking a photograph or streaming video.
* Accelerometers - these sense movement in multiple directions.
* Accelerometers - these sense movement in multiple directions.
Jim Bennett
4 years ago
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GitHub