See the micro:bit used as an alarm for the secret den in CBBC series The Dumping Ground and then have a go at the activity with your class. Watch as So Awkward's Martha talks about using the micro ...

In the CBBC series The Dumping Ground, Izzy, Dita and Erin use the BBC micro:bit to create a radio door alarm to monitor the door to their secret den. They set up a trap as they want to find out ...