# Case 02: Light Control ## Purpose --- - Programme to control the colour of the LED lights. ## 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) ## 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) ### Sample A - The LED headlights are in black while on start, and the micro:bit shows an icon. - Press button A to make the LED headlights show red. - Press button B to make the LED headlights show blue. - Press button A+B to make the LED headlights show green. ![](./images/TPBot_tianpeng_case_02_04.png) ### Link - Link: [https://makecode.microbit.org/_0RM5AJgos7C5](https://makecode.microbit.org/_0RM5AJgos7C5) - You may also download it directly below:
### Conclusion - Control the colour of the headlights with the buttons. - Press button A to make the LED headlights show red. - Press button B to make the LED headlights show blue. - Press button A+B to make the LED headlights show green. ### Sample B - While on start, set the micro:bit showing an icon and the LED headlights in red for 2 seconds and then turning off. ![](./images/TPBot_tianpeng_case_02_05.png) ### Link - Link: [https://makecode.microbit.org/_P5cJ7oV1664J](https://makecode.microbit.org/_P5cJ7oV1664J) - You may also download it directly below: ### Conclusion - The micro:bit displays an icon while on start and the LED headlights of the TPBot show white for 2 seconds and then turn off. ## Exploration --- ## FAQ --- ## Relevant File ---