The servos are under the command of a micro:bit microcontroller board, which itself receives signals from a second micro:bit which is strapped to the human wishing to control the arm. The second ...

It looks like that one of the chips on some micro:bits is getting very hot ... Does anyone have a proper circuit diagram, asks Mike.

See the micro:bit used as an alarm for the secret den in The Dumping Ground and then have a go at the activity. Make an indoor-outdoor thermometer. videoMake an indoor-outdoor thermometer Watch as ...

The BBC micro:bit single board ARM computer aimed at education does not feature as often as many of its competitors in these pages. It’s not the cheapest of boards, and interfacing to it in ...