1. Introduktion
The goodisplay ESP32-L(C73) E-paper Display Development Kit is designed to assist users in developing e-paper display projects. This kit provides a robust platform with source code support, enabling the creation of diverse e-paper solutions. It is specifically engineered for SPI e-paper displays and is compatible with Good Display's range of SPI e-paper products. The kit integrates essential functionalities such as a USB serial port, LED indicator lights, a Reset button, and dedicated font and Flash chips. The ESP32-L(C73) development kit comprises the ESP32-L motherboard for EPD and the DESPI-C73 connector board. This kit is primarily intended for the development and driving of 7.3-inch electronic paper display screens.

Image: The ESP32-L(C73) E-paper Display Development Kit, showing the ESP32-L driving board connected to the DESPI-C73 connector board.
2. Pakkens indhold
Kontroller venligst, at alle nedenstående varer er inkluderet i din pakke:
- 1 x Driving board ESP32-L
- 1 x Connector board DESPI-C73
- 1 x Type-C port cable

Image: Visual representation of the kit's components: ESP32-L driving board, DESPI-C73 connector board, and a USB Type-C cable.
3. Specifikationer
| Feature | Detalje |
|---|---|
| Varenummer | ESP32-L(C73) |
| Platform | ESP32-L (Arduino compatible) |
| Fungere | Drive E-paper Display |
| Outside Dimension (ESP32-L) | 70x54 mm |
| Outside Dimension (DESPI-C73) | 47x32 mm |
| Power interface | Type-C |
| Strømindgang | DC5V |
| Sample Kode | Tilgængelig |
| Driftstemperatur | -20~70℃ |
| Hovedfunktioner | Learn to drive E-paper display; Test and evaluate e-paper display; Support secondary development |
| Reserverede funktioner | Type-C, LED indicator, Reset button, Font chip, Flash chip, Current detection |
| Batteri inkluderet | Ingen |
| Meget bekymret kemikalie | Ingen |
For detailed specifications and schematics, please refer to the official documentation:
4. Opsætningsvejledning
Follow these steps to set up your E-paper Display Development Kit:
- Connect the Boards: Carefully align and connect the DESPI-C73 connector board to the ESP32-L driving board. Ensure the pins are correctly seated.
- Connect E-paper Display: Attach your compatible e-paper display's Flexible Printed Circuit (FPC) cable to the FPC interface on the DESPI-C73 board.
- Strømtilslutning: Connect the provided Type-C USB cable to the Type-C port on the ESP32-L board and to a 5V power source (e.g., a computer USB port or a USB power adapter).
- Software opsætning: Refer to the official goodisplay webwebsted (www.good-display.com) for detailed software setup instructions, including drivers and sample code for your development environment.

Image: Diagram of the ESP32-L driving board, highlighting key components and interfaces.

Image: Diagram of the DESPI-C73 connector board, showing connection points for the main board and e-paper display FPC interface.
5. Betjeningsvejledning
The ESP32-L(C73) Development Kit is designed for learning, testing, and evaluating e-paper displays, as well as supporting secondary development projects. Once the hardware is connected and the software environment is set up:
- Programmering: Brug den medfølgende sample code and development tools (e.g., Arduino IDE) to program the ESP32-L board.
- Skærmkontrol: The kit supports various refresh modes including full refresh, fast refresh, and partial refresh, allowing for flexible control over the e-paper display.
- Testing and Evaluation: Utilize the kit to test different display functionalities, image rendering, and power consumption characteristics of your e-paper display.
- Sekundær udvikling: Leverage the ESP32-L's capabilities, including its Wi-Fi and Bluetooth features, along with the integrated font and Flash chips, to build custom e-paper applications.
Detailed programming guides and examples can be found on the official goodisplay webwebsted.
6. Vedligeholdelse
To ensure the longevity and optimal performance of your development kit:
- Opbevaring: Store the kit in a dry, dust-free environment, away from direct sunlight and extreme temperatures.
- Rensning: Use a soft, dry cloth to clean the boards. Avoid using liquids or abrasive cleaners.
- Håndtering: Handle the boards by their edges to prevent damage to components and to avoid electrostatic discharge.
- Magt: Always disconnect power before making or changing hardware connections.
7. Fejlfinding
If you encounter issues with your development kit, consider the following common solutions:
- Ingen skærmoutput:
- Check all cable connections, especially the FPC cable to the e-paper display and the connection between the ESP32-L and DESPI-C73 boards.
- Ensure the Type-C power cable is securely connected and providing 5V power.
- Verify that the correct drivers are installed on your computer and that the development environment is properly configured.
- Confirm that the e-paper display is compatible with the DESPI-C73 board and the ESP32-L kit.
- Programmeringsfejl:
- Double-check your code for syntax errors and logical flaws.
- Ensure you have selected the correct board and port in your IDE.
- Consult the sample code and documentation on the goodisplay webwebsted til vejledning.
- Unresponsive Board:
- Try pressing the Reset button on the ESP32-L board.
- Afbryd og tilslut strømforsyningen igen.
8. Brugertips
- Kompatibilitetskontrol: Always ensure that your specific e-paper display model is compatible with this development kit. While designed for SPI e-paper displays, especially 7.3-inch models, verifying compatibility with other display types is crucial for successful integration.
- Strømstyring: E-paper displays consume very little power once an image is displayed. Optimize your code to put the ESP32-L into low-power modes when the display is static to maximize battery life in portable applications.
10. Garanti og support
For technical support, product inquiries, or any issues related to your goodisplay ESP32-L(C73) E-paper Display Development Kit, please contact the goodisplay Official Store directly using the contact information provided below. Please retain your purchase receipt for any warranty claims.
11. Kontaktoplysninger
For further assistance, please reach out to goodisplay:
- Telefon: 86-411-84619565
- 24-hr Phone: +86-13942892197
- Adresse: No.18, Zhonghua West ST, Ganjingzi DST, Dalian, Liaoning Province, China
- E-mail: aliexpress@good-display.com
- Officiel Webwebsted: www.good-display.com

Image: Contact information for goodisplay, including phone numbers, address, and email.







