检查理解：今天您将进行自己的测验！首先，回顾一下你已经知道的！
- 回到上一课的扩展活动，期中 - 你是哪个精灵？
- 运行那节课中的测验，看看你在项目规划器中头脑风暴的想法。您可能需要打开您复制、编辑和保存的项目计划器。
- 完成后，返回此活动并单击跑来回答复习问题。
To navigate the page using the TAB key, first press ESC to exit the code editor.
检查理解：今天您将进行自己的测验！首先，回顾一下你已经知道的！
To navigate the page using the TAB key, first press ESC to exit the code editor.
Your micro:bit is not set up for this program. Follow these steps to use your device with Codesters:
Your micro:bit has an old version of the Codesters binary file. Follow these steps to update the file on your micro:bit:
Warning: This will erase any existing program on your micro:bit.
Having trouble? Check out the micro:bit instructions to update your firmware.
Setting up your micro:bit
Calibrate your micro:bit by tilting it until all the LEDs are lit.
For a demonstration see the micro:bit calibration instructions.
Try the following steps to connect to your Micro:bit:
1. You may need to reload this page and try your program again.
2. Try disconnecting and reconnecting your Micro:bit. Then reload the page and run your program again.
3. If you are still having problems your Micro:bit may have an old firmware version that is incompatible with Codesters.
To update the firmware follow these Micro:bit instructions.
Are you already running a Codesters project in another tab or window?
Micro:bit can only connect to one web page at a time. Try stopping other Codesters projects or closing other tabs or windows that may be using your Micro:bit.
If that doesn't fix the problem try disconnecting your Micro:bit, reloading this page, and reconnecting your Micro:bit.
Status: Connected!
Status: Connecting...
Status: Still connecting...
Status: Failure
Status: Not Found
Is your Micro:bit connected?