Testing Accuracy of micro:bit Internal Clock | REUK.co.uk
Countdown Timer
Micro:bit timer — Digital Maestro Magazine
Micro:bit Educational Foundation på Twitter: "#microbit case studies & videos from @IETFaraday bring real-life uses of micro:bits to your classroom. Watch @robaedmunds explain in 60 seconds how he programmed his micro:bit to
almost) solderless, reusable micro:bit timer by Adamow | Download free STL model | PrusaPrinters
Building a digital timer with the BBC micro:bit | designnews.com