他们逼我做卧底

SPI ink screen all-in-one driver (verified)

Overview

introduce

- - The SPI ink screen all-in-one driver is designed by integrating many Wei Xue open source driver board schematics and is suitable for all types of Hink ink screens.
  - You can refer to the Weixue official documentation attached to this project and develop this project yourself to upgrade to more forms.
  - Ink screen research information: https://oshwhub.com/article/research-of-hanshow-epaper
  - Another ink screen from Dalian Jiaxian on the market also provides a wealth of information, which is also included in this project for reference.
  - Jia Display has almost the same driving schematic diagram, but the inductor capacity is different. I think the electrical parameters are compatible with each other, but they have not been verified.

Project Description

- - There are two types of official schematic diagrams of Weixue: 5V microcontroller driver board with 5-to-3.3 level conversion module and LDO step-down. The 3.3V microcontroller driver board is used directly.
  - The size of the PCB corresponds to the size of the 2.13-inch screen driver board on the official website of Weixue. There are two layouts for jumper selection and switch selection. Both PCBs with level conversion and without level conversion are implemented.
  - A 30P FPC base ( C11095 ) was used , and the package was edited, leaving only the 24P pad and extending the length of the pad to facilitate direct welding of the FPC to the PCB, or installation of the FPC base.

Proofing verification

source

- - WeiXue ink screen RaspberryPI driver board
  - https://www.waveshare.net/wiki/E-Paper_Driver_HAT

- - Weixue Ink Screen Arduino Driver Board
  - https://www.waveshare.net/wiki/E-Paper_Shield

- - Weixue ink screen 8266 driver board
  - https://www.waveshare.net/wiki/E-Paper_ESP8266_Driver_Board

- - Jiaxian STM32 driver board
  - https://www.e-paper-display.cn/products_detail/productId=412.html

- - Jiaxian Arduino driver board
  - https://www.e-paper-display.cn/products_detail/productId=431.html

- - Jiaxian Esp8266 driver board
  - https://www.e-paper-display.cn/products_detail/productId=513.html

The data sheet in the attachment has a screen size of 7.5 inches, but except for the size, the content is suitable for all sizes of Weixue screens.

debug code

For the debugging code package, view the attachments of this project.

Arduino and STM32 can directly view the decompressed Readme of the attachment package and compile it directly using the IDE.

The Python code package used by Raspberry and Jetson Nano needs to ensure that the following libraries have been installed in the system environment: BCM2835 , wiringpi , python - pil, python - numpy, RPi.GPIO , spidev

For detailed reference, you can find the size of the corresponding ink screen in your hand from Weixue Wiki and enter the corresponding Page to view

https://www.waveshare.net/wiki/Main_Page

Jiaxian’s ink screen information page also has debugging code

https://www.e-paper-display.cn/products_detail/productId=319.html

Design Files

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-05-13 10:13:11

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