3. micro bit
============

**Download Code：**  :download:`Code <./Code.7z>`

3.1 micro:bit Example Use
-------------------------

**Step 1: Connect It**

Connect the micro:bit to your computer via a micro USB cable.

Your micro:bit will show up on your computer as a drive called
‘micro:bit’.

|image1|

**Step 2: Program It**

Use micro:bit MakeCode Block editor
`https://makecode.micro:bit.org/ <https://makecode.microbit.org/>`__ to
write your first micro:bit code.

You can drag and drop some example blocks and try your program on the
Blocks Editor. Shown below.

|image2|

Click the JavaScript, you can see the corresponding program code. Shown
as below figure.

|image3|

**Step 3: Download It**

Click the Download button in the editor. This will download a ‘hex’
file, which is a compact format of your program that your micro:bit can
read.

Here you can name the project as LED1, then click “Save”. Shown below.

|image4|

Once the hex file has downloaded, copy it to your micro:bit just like
copying a file to a USB drive. On Windows find the microbit-LED1 file,
you can right click and choose “Send To→MICROBIT.”

|image5|

|image6|

**Step 4: Play It**

The micro:bit will pause and the yellow 5*5 LED on the back of the
micro:bit will display the images while your code is programmed.

|image7|

You can power it using USB cable or battery. The battery holder should
connect two 1.5V AA batteries.

|image8|

3.2 micro:bit Pins
------------------

Before getting started with the following projects, first need to figure
out each pin of micro:bit main board. Please refer to the reference
diagram shown below.

|image9|

The BBC micro:bit has 25 external connections on the edge connector of
the board, which we refer to as ‘pins’. The edge connector is the gray
area on the right side of the figure below.

There are five large pins, that are also connected to holes in the board
labeled: 0, 1, 2, 3V, and GND. And along the same edge, there are 20
small pins that you can use when plugging the BBC micro:bit into an edge
connector.

|image10|

|image11|

3.3 Learning Projects
---------------------

.. toctree::
    :maxdepth: 1

    Project/Project1
    Project/Project2
    Project/Project3
    Project/Project4
    Project/Project5
    Project/Project6
    Project/Project7
    Project/Project8
    Project/Project9
    Project/Project10
    Project/Project11
    Project/Project12
    Project/Project13

.. |image1| image:: media/wps34.png
.. |image2| image:: media/wps35.jpg
.. |image3| image:: media/wps36.jpg
.. |image4| image:: media/wps37.jpg
.. |image5| image:: media/wps38.jpg
.. |image6| image:: media/wps39.jpg
.. |image7| image:: media/wps40.png
.. |image8| image:: media/wps41.png
.. |image9| image:: media/wps42.jpg
.. |image10| image:: media/wps43.png
.. |image11| image:: media/wps44.png