The micro:bit is a tiny programmable computer, designed to make learning and teaching easy and fun.
Issue: the micro:bit usb drive is called "MAINTENANCE". Solution: update it with new firmware
Out of the box program
Here is the out of the box program.
Connecting external LED's
Turn two LED's on and off with A and B button:
Make the LED dim by using the internal light sensor:
The micro:bit can use it's internal LED's to meassure light level.
Make the external LED dim by using the internal light sensor: