# Case 22: The Helicopter ## Purpose --- Make a helicopter. ![](./images/Wonder-Building-Kit-case-22-01.png) ## Link: --- [micro:bit Wonder Building Kit](https://shop.elecfreaks.com/products/elecfreaks-micro-bit-32-in-1-wonder-building-kit-without-micro-bit-board?_pos=5&_sid=2094afd2f&_ss=r) ## Materials Required --- ![](./images/Wonder-Building-Kit-step-case-22-01.png) ## Bricks build-up --- ![](./images/Wonder-Building-Kit-step-case-22-02.png) ![](./images/Wonder-Building-Kit-step-case-22-03.png) ![](./images/Wonder-Building-Kit-step-case-22-04.png) ![](./images/Wonder-Building-Kit-step-case-22-05.png) ![](./images/Wonder-Building-Kit-step-case-22-06.png) ![](./images/Wonder-Building-Kit-step-case-22-07.png) ![](./images/Wonder-Building-Kit-step-case-22-08.png) ![](./images/Wonder-Building-Kit-step-case-22-09.png) ![](./images/Wonder-Building-Kit-step-case-22-10.png) ![](./images/Wonder-Building-Kit-step-case-22-11.png) ![](./images/Wonder-Building-Kit-step-case-22-12.png) ![](./images/Wonder-Building-Kit-step-case-22-13.png) ![](./images/Wonder-Building-Kit-step-case-22-14.png) ![](./images/Wonder-Building-Kit-step-case-22-15.png) ![](./images/Wonder-Building-Kit-step-case-22-16.png) ![](./images/Wonder-Building-Kit-step-case-22-17.png) ![](./images/Wonder-Building-Kit-step-case-22-18.png) ![](./images/Wonder-Building-Kit-step-case-22-19.png) ![](./images/Wonder-Building-Kit-step-case-22-20.png) ![](./images/Wonder-Building-Kit-step-case-22-21.png) ![](./images/Wonder-Building-Kit-step-case-22-22.png) ![](./images/Wonder-Building-Kit-step-case-22-23.png) ![](./images/Wonder-Building-Kit-step-case-22-24.png) ![](./images/Wonder-Building-Kit-step-case-22-25.png) ![](./images/Wonder-Building-Kit-step-case-22-26.png) ![](./images/Wonder-Building-Kit-step-case-22-27.png) ![](./images/Wonder-Building-Kit-step-case-22-28.png) ![](./images/Wonder-Building-Kit-step-case-22-29.png) ![](./images/Wonder-Building-Kit-step-case-22-30.png) ![](./images/Wonder-Building-Kit-step-case-22-31.png) ![](./images/Wonder-Building-Kit-step-case-22-32.png) ![](./images/Wonder-Building-Kit-step-case-22-33.png) ![](./images/Wonder-Building-Kit-step-case-22-34.png) ![](./images/Wonder-Building-Kit-step-case-22-35.png) ![](./images/Wonder-Building-Kit-step-case-22-36.png) ![](./images/Wonder-Building-Kit-step-case-22-37.png) ![](./images/Wonder-Building-Kit-step-case-22-38.png) ![](./images/Wonder-Building-Kit-step-case-22-39.png) ![](./images/Wonder-Building-Kit-step-case-22-40.png) ![](./images/Wonder-Building-Kit-step-case-22-41.png) ![](./images/Wonder-Building-Kit-step-case-22-42.png) ![](./images/Wonder-Building-Kit-step-case-22-43.png) ![](./images/Wonder-Building-Kit-step-case-22-44.png) ![](./images/Wonder-Building-Kit-step-case-22-45.png) ![](./images/Wonder-Building-Kit-step-case-22-46.png) ## Hardware Connection Connect a [motor](https://www.elecfreaks.com/geekservo-motor-2kg-compatible-with-lego.html) to M2 port on [Wukong breakout board](https://www.elecfreaks.com/wukong-board-with-lego-holder-for-micro-bit.html). ![](./images/Wonder-Building-Kit-case-22-06.png) ## Software Platform --- [MakeCode](https://makecode.microbit.org/) ## Coding --- ### Add extensions Click "Advanced" in the MakeCode to see more choices. ![](./images/Wonder-Building-Kit-case-21-02.png) Search with Wukong in the dialogue box to download it. ![](./images/Wonder-Building-Kit-case-21-03.png) ### Program ![](./images/Wonder-Building-Kit-case-22-04.png) Link:[https://makecode.microbit.org/_2zv14dduY6D7](https://makecode.microbit.org/_2zv14dduY6D7) ### Result When button A is pressed, the micro:bit displays a heart pattern and the helicopter propeller starts to rotate; when button B is pressed, the micro:bit screen is cleared and the helicopter propeller stops rotating.