Test the Scripts

Load and Test Both Scripts

• In the micro:bit Python Editor with the Sender script, click the serial monitor, and type in this two-line script below.  Make sure to type one line at a time, and press Enter after each line.

from microbit import *
display.show(Image.HAPPY)

• Type run and press Enter.

The Sender micro:bit’s serial monitor should look like this.

• In the Receiver micro:bit’s serial monitor, verify that it looks like this:

How the Scripts Work

The receiver script is able to execute the string thanks to a Python function called eval().  For more examples with eval(), see Embed Code in Strings.

Try This: Say Hello

• In the Sender micro:bit’s Python Editor, click the Serial monitor, and type in the four-line script below.  Note that you will need to press the space key four times to indent (instead of the tab key).  Make sure to type one line at a time, and press Enter after each line.

from microbit import *
for n in range(10):
    print('Hello!')
    sleep(1000)

• Type run and press Enter.
• Verify that the Sender micro:bit’s serial monitor looks like this:

• In the Receiver micro:bit’s Python Editor, open the serial monitor and verify that it looks like this: