#The Fifth Lichuang Electronic Design Competition#Industrial 485 reading and control output

* 1. Self/team introduction
The employees of the small factory in Changsha have been graduating from college for one year. I like some productions, and there is a pile of useless components.
* 2. Briefly introduce the project.
In order to solve the 485 modbus protocol communication for a small number of customers, we will make a master station digital display meter that can read the factory instruments. We may add a switching output and a 4~20mA output according to the needs.
[Please Fill in ↓ during the competition stage]
* 1. Describe the details of the project
* 2. Describe the challenges faced by the project and the problems solved
* 3. Describe the key points involved in the hardware and software parts of the project
* 4. Display of project material list
* 5. Upload project pictures
          5.1. Print the contest 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 upload
          6.1. Video upload to the official website of the competition 6.2. Note on
          the video title and link of Station B

Matters: 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 to the official website of the competition and Station B simultaneously ([www .bilibili.com] (www.bilibili.com)), the top 10 most popular projects at Station B will receive cash rewards of 1,000-5,000 yuan, and other uploaded projects will receive 100 yuan Lichuang Mall no-threshold coupons; ③: Video title: The 5th Lichuang Mall Chuang Electronics Design Competition: {Project Name}-{Video Module Name}; such as the 5th Chuang Electronics Design Competition: "Autonomous Driving" Project - Team Introduction.

* 7. Whether it is released to the public for the first time.
          7.1. If the project has been published or won an award 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 the link for more details. :[https://www.szlcsc.com/go/dsxq](https://www.szlcsc.com/go/dsxq)