# Fifth Lichuang Electronic Design Competition # 20-key numeric keypad

Note: * is required.

[Please fill in during the registration stage↓]
* 1. Self/team introduction
* 2. Briefly introduce the 20-key numeric keypad of the project

[Please fill in during the competition stage↓]
* 1. Describe the project details - because I personally use 87 keys The small keyboard feels awkward when entering numbers. So I designed a 20-key small keyboard for use.
* 2. Describe the challenges faced by the project and the problems it solves - novices know nothing, try slowly, there are thorns ahead
* 3. Describe the key points involved in the hardware and software parts of the project - mainly wiring and devices Layout
* 4. Project material list display
* 5. Upload project pictures
          5.1. Print the competition logo picture on the PCB. Failure to do so will be considered as giving up the competition
          5.2. Other pictures of the project
* 6. Demonstrate your project and record it as a video for uploading
          6.1. Video Notes on uploading video titles and links to the official website of the competition
          6.2 and station B

: ①: Video requirements: Please shoot horizontally, with a resolution of no less than 1280×720, format Mp4/Mov, and the size of a single video is limited to 100M; ②: Video upload: Please upload it to the official website of the competition and Station B ([www.bilibili.com](www.bilibili.com)) at the same time. The top 10 most popular projects at Station B will receive 1,000-5,000 yuan in cash rewards, and other uploaded projects will receive 100 yuan in Lichuang Mall. Threshold coupon; ③: Video title: The 5th Lichuang Electronic Design Competition: {Project Name}-{Video Module Name}; For example, the 5th Lichuang Electronic Design Competition: "Autonomous Driving" Project - Team Introduction.
* 7. Is it the first public release? Yes
          7.1. Whether the project has been published or won awards before, please explain
          7.2. If the project is optimized on the original basis, please explain the optimization part
* 8. Open source documents
* 9. References

click on the link to learn more More details: [https://www.szlcsc.com/go/dsxq](https://www.szlcsc.com/go/dsxq)