Script: led_brightnesses

This script sets a light to ⅛, ¼, ½, and full brightnesses.

• Enter the led_blink script (python.microbit.org/v/2 matches the screencaptures).
• Set the Script Name field to led_brightnesses.
• Click Load/Save, and then click Download Project Hex to save your work.  Close the Load/Save dialog box after downloading.
• In the python.microbit.org editor, click Connect, and then click Flash.   

# led_brightnesses

from microbit import *

while True:
    pin14.write_analog(128)
    sleep(1000)
    pin14.write_analog(256)
    sleep(1000)
    pin14.write_analog(512)
    sleep(1000)
    pin14.write_analog(1023)
    sleep(1000)

Test the LED Brightnesses

• Look straight down at the top of the LED’s dome, and verify the four different brightnesses.