# Case17：Gesture-controlled TPBot

## Purpose
---
- Control the movement(forward, back, turn left/right) by your hands gesture. 

## Material
---

- 1 x [TPBot](https://shop.elecfreaks.com/products/elecfreaks-micro-bit-tpbot-car-kit-without-micro-bit-board?_pos=1&_sid=f32828112&_ss=r)



![](./images/TPBot_tianpeng_case_01_01.png)


## Hardware connection
---
Connect gesture sensor to IIC port on TPBot. 

![](./images/TPBot_tianpeng_case_17_03.png)


## Software
---

 [MicroSoftmakecode](https://makecode.microbit.org/#)


## Programming
---

Click "Advanced" to see more choices in the MakeCode drawer. 

![](./images/TPBot_tianpeng_case_01_02.png)

- We need to add a package for programming. Click "Extensions" in the bottom of the drawer and search with "tpbot" in the dialogue box to download it.  

![](./images/TPBot_tianpeng_case_01_03.png)

- We need to add a package for programming. Click "Extensions" in the bottom of the drawer and search with "PlanetX" in the dialogue box to download it.  

![](./images/TPBot_tianpeng_case_15_03.png)


### Sample

-  Drag the show icon brick into on start. 
- Detect the hands gesture through the gesture sensor, set the car to move forward at the speed of 40% for 1s while detecting your hand waving upward.
- Code with a similar way for the gesture of waving downward, left and right. 

![](./images/TPBot_tianpeng_case_17_04.png)


### Link 
- Link：[https://makecode.microbit.org/_PqAPVDY7hDRR](https://makecode.microbit.org/_PqAPVDY7hDRR)

- You may also download it directly below:

<div style="position:relative;height:0;padding-bottom:70%;overflow:hidden;"><iframe style="position:absolute;top:0;left:0;width:100%;height:100%;" src="https://makecode.microbit.org/#pub:_PqAPVDY7hDRR" frameborder="0" sandbox="allow-popups allow-forms allow-scripts allow-same-origin"></iframe></div>  


### Conclusion

- Face your hands onto the gesture sensor, control TPBot's movement with your hands gesture. 

## Exploration
---


## FAQ
---


Q: While operating this case, why the car might not work properly? 
A: It might be the low power of the batteries, please try adding the value of TPBot's speed and test again. 

## Relevant File
---