# Case 05: Find the Bigger Face ## Purpose To make the AI Lens be able to recognize the face and display the width of the face on the OLED module. ![](./images/05035_01.png) ## Products Link [ELECFREAKS Smart AI Lens Kit](https://shop.elecfreaks.com/products/elecfreaks-smart-ai-lens-kit?_pos=1&_sid=d572dc26c&_ss=r) [ELECFREAKS Nezha Breakout Board](https://shop.elecfreaks.com/products/elecfreaks-nezha-breakout-board?_pos=1&_sid=327dd9f18&_ss=r) [ELECFREAKS PlanetX OLED](https://shop.elecfreaks.com/products/elecfreaks-planetx-oled?_pos=2&_sid=a29558677&_ss=r) ### Materials Required and Connection Diagram Connect the AI Lens and the OLED display to the IIC ports on Nezha expansion board. ![](./images/05035_05_03.png) ## MakeCode Programming ### Step 1 Click "Advanced" in the MakeCode drawer to see more choices. ![](./images/05001_04.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/05001_05.png) ***Note:*** If you met a tip indicating that the codebase will be deleted due to incompatibility, you may continue as the tips say or build a new project in the menu. ### Step 2 ### Code as below: ![](./images/05035_05_06.png) ### Link Link: [https://makecode.microbit.org/_RF01zfeA2VkW](https://makecode.microbit.org/_RF01zfeA2VkW) You may also download it directly below:
### Result The width of the regcognized face displays on the OLED module.