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Ink Screen Font Library Tutorial

The following are examples of Chinese characters. We take the Raspberry Pi demo with a 2.13 V3 ink screen as an explanation, and other demos/fonts are similar.

Add the Chinese Font Library

Here is an example of adding font24CN.c.
Open the Zimo221.7z software and follow the steps below to configure the software.
Choose "Font selection for the text area."

Please select the corresponding font type according to the picture, and click "OK" after completing the configuration.
Font: Microsoft YaHei
Style: Regular
Size: 24
Character set: GB2312


Select "Other options".

Select the corresponding configuration according to the picture, and then click "OK".
Pattern extraction method: Horizontal extraction.
Keep a comma at the end of the reserved byte.
We will use C51 pattern extraction later, so the A51 format can be ignored.

①Input the Chinese characters here, and then press Ctrl + Enter.
②The preview of the inputted Chinese characters is displayed in Location 2.
③Click on the C51 format on the left side for the pattern extraction.
④The corresponding hexadecimal data will be generated afterward.


Open the corresponding file of the demo. The software I am using here is VS Code. Change the format from UTF-8 to GB2312.




To copy and modify the data that has just been extracted to the corresponding file according to the file format:

Open the "EPD_2in13_V3_test.c" file and replace "微雪电子" with "中文字库". Compile and run the demo, you will see that the previous "微雪电子" on the demo has been changed to "中文字库".


Add New Font Library

Here is an example of adding font48CN.c.
Open the Zimo221.7z software and follow the steps below to configure the software.
Choose "Font selection for the text area."

Please select the corresponding font type according to the picture, and click "OK" after completing the configuration.
Font: Microsoft YaHei
Style: Regular
Size: 48
Character set: GB2312

Select "Other options".

Select the corresponding configuration according to the picture, and click "OK" after completing the configuration.
Pattern extraction method: Horizontal extraction.
Keep a comma at the end of the reserved byte.
We will use C51 pattern extraction later, so the A51 format can be ignored.

①Input the Chinese characters here, and then press Ctrl + Enter.
②The preview of the inputted Chinese characters is displayed in Location 2.
③Click on the C51 format on the left side for the pattern extraction.
④The corresponding hexadecimal data will be generated afterward.


Create a new font48CN.c file in the corresponding file directory:

Follow the example of font24CN.c file and add the corresponding data to the font48CN.c file:

Modify font.h file data:


Open the file EPD_2in13_V3_test.c and modify it to the demo shown in the figure:

The display effect is shown below:

TAG: Raspberry Pi 5 ESP32-S3 Development Board 1.47 inch LCD 1.47B Display 1.47inch Screen SD 172×320 RGB LED Serial UART Bus Servo ST3215-HS 20KG.CM High Speed Magnetic Encoder 360° Large Torque MEGA2560 R3 Raspberry Pi 5 PCIe to SSD Raspberry Pi 5 Audio Ra NVIDIA-acess User Guide LuckFox Pico MPS2280D Raspberry Pi 5 PCIe to M.2 NVMe Dual SSD Adapter Board HAT Pi5 Double 2280 AV to RGB ESP32 S3 Development Board 1.64 inch AMOLED Display 1.64inch TouchScreen For Arduino LVGL With SD-Port/ QMI8658C 6-Axis Sensor NVIDIA Jetson Xavier NX AI 21TOPS Supercomputer Edge Computing eMMC-16GB RAM 8/16GB MPS2.5G Raspberry Pi 5 PCIe to NVME SSD And 2.5G Ethernet RJ45 HAT RTL8125 2280 2242 2230 Industrial USB TO 8CH TTL Converter USB to UART Multi Protection Circuits Multi Systems Raspberry Pi Pico Camera Raspberry Pi Compute Module 5 CM5 Cortex A76 BCM2712 With/Without Wi-Fi RAM 2/4/8/16GB eMMC Lite/8/16/32/64GB ESP32 1.5inch LCD Raspberry Pi 5 Box Case Ki-A PCIe to RJ45 Gigabit Ethernet All Ports To Pi's USB Side Raspberry Pi 3 display HAT