Kitronik on Twitter: "Who said coding was dull? Add colour with new Kitronik ZIP Halo HD for micro:bit 🌈 Code a sunrise alarm clock using the RTC feature, make a sound meter,
Halo+ smoke detector keeps up with the Nest Protect - CNET
Halo+ smoke detector keeps up with the Nest Protect - CNET
Kitronik Alarm Clock Kit with ZIP Halo HD for micro:bit – Kitronik Ltd