Wonder Building Kit for microbit Case 09: Automatic Doors

micro:bit Wonder Building Kit focuses on the bricks expansions with 20 projects available in our WIKI, and it gives you more chances to create more projects. Packed with different electronic sensors such as the Line-following sensor, the Sonar:bit and the Water level sensor, they enrich the projects with more challenge and fun.
Where to buy?
(1)Amazon Store: www.amazon.com...
(2)official website: www.elecfreaks...
Where to learn?
Wiki tutorial link: www.elecfreaks...
Website: www.elecfreaks.com​
Subscribe: / elecfreaks​
Like us on Facebook: / elecfreakstech​
Follow us on Twitter: / elecfreaks