# Case 42:The Grabbing Cart ## Introduction Build a grabbing cart with the [Nezha Inventor's Kit](https://shop.elecfreaks.com/products/elecfreaks-micro-bit-nezha-48-in-1-inventors-kit-without-micro-bit-board?_pos=2&_sid=ed1b6fbd2&_ss=r). ![](./images/42_1.png) ## Quick to Start ### Materials Required [Nezha Inventor's Kit](https://shop.elecfreaks.com/products/elecfreaks-micro-bit-nezha-48-in-1-inventors-kit-without-micro-bit-board?_pos=2&_sid=ed1b6fbd2&_ss=r) ### Assembly Components List ![](./images/neza-inventor-s-kit-case-42-02.png) Build it as the assembly steps suggest: ![](./images/neza-inventor-s-kit-step-42-01.png) ![](./images/neza-inventor-s-kit-step-42-02.png) ![](./images/neza-inventor-s-kit-step-42-03.png) ![](./images/neza-inventor-s-kit-step-42-04.png) ![](./images/neza-inventor-s-kit-step-42-05.png) ![](./images/neza-inventor-s-kit-step-42-06.png) ![](./images/neza-inventor-s-kit-step-42-07.png) ![](./images/neza-inventor-s-kit-step-42-08.png) ![](./images/neza-inventor-s-kit-step-42-09.png) ![](./images/neza-inventor-s-kit-step-42-10.png) ![](./images/neza-inventor-s-kit-step-42-11.png) ![](./images/neza-inventor-s-kit-step-42-12.png) ![](./images/neza-inventor-s-kit-step-42-13.png) ![](./images/neza-inventor-s-kit-step-42-14.png) ![](./images/neza-inventor-s-kit-step-42-15.png) ![](./images/neza-inventor-s-kit-step-42-16.png) ![](./images/neza-inventor-s-kit-step-42-17.png) ![](./images/neza-inventor-s-kit-step-42-18.png) ![](./images/neza-inventor-s-kit-step-42-19.png) ![](./images/neza-inventor-s-kit-step-42-20.png) ![](./images/neza-inventor-s-kit-step-42-21.png) ![](./images/neza-inventor-s-kit-step-42-22.png) ![](./images/neza-inventor-s-kit-step-42-23.png) ![](./images/neza-inventor-s-kit-step-42-24.png) ![](./images/neza-inventor-s-kit-step-42-25.png) ![](./images/neza-inventor-s-kit-step-42-26.png) ![](./images/neza-inventor-s-kit-step-42-27.png) ![](./images/neza-inventor-s-kit-step-42-28.png) ![](./images/neza-inventor-s-kit-step-42-29.png) ![](./images/neza-inventor-s-kit-step-42-30.png) ![](./images/neza-inventor-s-kit-step-42-31.png) ![](./images/neza-inventor-s-kit-step-42-32.png) ![](./images/neza-inventor-s-kit-step-42-33.png) ![](./images/neza-inventor-s-kit-step-42-34.png) ![](./images/neza-inventor-s-kit-step-42-35.png) ![](./images/neza-inventor-s-kit-step-42-36.png) ![](./images/neza-inventor-s-kit-step-42-37.png) ![](./images/neza-inventor-s-kit-step-42-38.png) ![](./images/neza-inventor-s-kit-step-42-39.png) ![](./images/neza-inventor-s-kit-step-42-40.png) ![](./images/neza-inventor-s-kit-step-42-41.png) ![](./images/neza-inventor-s-kit-step-42-42.png) ![](./images/neza-inventor-s-kit-step-42-43.png) ![](./images/neza-inventor-s-kit-step-42-44.png) We can see that the construction is completed as shown in the following figure: ![](./images/neza-inventor-s-kit-case-42-01.png) ### Connection Diagram --- Connect the [geekservo](https://shop.elecfreaks.com/products/elecfreaks-360-degrees-building-blocks-servo?_pos=1&_psq=servo&_ss=e&_v=1.0) to S1 and the two [motors](https://shop.elecfreaks.com/products/elecfreaks-high-speed-building-blocks-motor?_pos=4&_sid=a2da3fff8&_ss=r) to M1 and M2 on [Nezha Breakout Board](https://shop.elecfreaks.com/products/elecfreaks-nezha-breakout-board?_pos=1&_sid=00432325a&_ss=rl). ![](./images/neza-inventor-s-kit-case-42-03.png) ## MakeCode Programming ### Step 1 Click "Advanced" in the MakeCode drawer to see more choices. ![](./images/neza-inventor-s-kit-case-37-04.png) For programming [Nezha Breakout Board](https://shop.elecfreaks.com/products/elecfreaks-nezha-breakout-board?_pos=1&_sid=00432325a&_ss=rl), we need to add a package. Search with "Nezha" in the dialogue box and click to download it. ![](./images/neza-inventor-s-kit-case-37-06.png) *Notice*: If you met a tip indicating that some codebases would be deleted due to incompatibility, you may continue as the tips say or create a new project in the menu. ### Step 2 ### Code as the picture suggests ![](./images/neza-inventor-s-kit-case-42_07.png) ### Reference Link: [https://makecode.microbit.org/_VyEFMDLeo2Vs](https://makecode.microbit.org/_VyEFMDLeo2Vs) You may also download it directly:
### Result First manually adjust the opening angle of the mechanical claw, then turn on the power, press the button A, the car will travel forward for a certain distance and grab the object. ### Thinking Is it possible to make a car that can turn directions and grab objects with this kit? ![](./images/42_42.gif)