为了让运行游戏，我们需要让精灵向下坠落。为了做到这一点，我们将增加重力并隐藏墙壁。
To navigate the page using the TAB key, first press ESC to exit the code editor.
Set up your micro:bit
Your micro:bit is not set up for this program. Follow these steps to use your device with Codesters:
3
Upload the hex file to your micro:bit
Warning: This will erase any existing program on your micro:bit.
4
Calibrate your micro:bit compass by tilting it until all of the LEDs are lit
5
Click here to exit and restart your program
Having trouble? Check out the micro:bit instructions to update your firmware.
Setting up your micro:bit
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Calibrate the Compass
Calibrate your micro:bit by tilting it until all the LEDs are lit.
For a demonstration see the micro:bit calibration instructions.
