1. 서론
The Waveshare 2.13-inch E-Ink Display HAT V4 is a low-power, high-resolution display module designed for Raspberry Pi and other microcontrollers. It features a 250x122 pixel resolution and communicates via an SPI interface, supporting partial refresh capabilities. This display is ideal for applications requiring clear, persistent visuals with minimal power consumption, such as electronic shelf labels, industrial instruments, and information displays.
주요 특징:
- 2.13-inch E-Ink Display: Provides a clear, paper-like visual experience.
- 250x122 Resolution: Offers crisp text and graphics.
- SPI 인터페이스: Enables communication with various microcontrollers.
- 부분 새로 고침 지원: Allows for faster updates of specific screen areas.
- 초저전력 소모: Power is primarily required only during screen refreshes.
- 백라이트 없음: Maintains display content indefinitely without power, offering wide view각도를 나타냅니다.
- Standard Raspberry Pi 40PIN GPIO Extension Header: Compatible with Raspberry Pi series boards and Jetson Nano.
- 온보드 볼륨tage 번역기: Ensures compatibility with 3.3V/5V MCUs.
Official product video demonstrating the features and applications of the Waveshare 2.13-inch e-Paper HAT, including its low power consumption, wide viewing angle, and compatibility with Raspberry Pi and other microcontrollers.
2. 패키지 내용물
아래 나열된 모든 품목이 패키지에 포함되어 있는지 확인하세요. 품목이 누락되었거나 손상된 경우 고객 지원팀에 문의하세요.
This image displays the standard package contents for the 2.13-inch E-Paper HAT. Ensure you have received all components.
포함 항목:
- 1x 2.13inch e-Paper HAT
- PH2.0 20cm 8핀 케이블 1개
- 1x RPi Screws Pack (2pcs)
3. 설정
This section guides you through the physical connection of the E-Ink Display HAT to your host device.
3.1 라즈베리 파이에 연결하기
The 2.13-inch E-Paper HAT is designed to directly connect to the 40PIN GPIO header of Raspberry Pi series boards (e.g., Raspberry Pi 5/4B/3B/Zero/Zero W/Zero 2W) and Jetson Nano. Align the HAT carefully with the GPIO pins and press down gently until it is securely seated.
The e-Paper HAT connected to a Raspberry Pi. The Raspberry Pi is not included.
3.2 Connecting to Other Microcontrollers (e.g., Arduino/STM32)
For other controller boards that do not have a direct HAT interface, you can use the provided PH2.0 8Pin cable to connect via the SPI interface. The HAT includes an onboard voltage translator, making it compatible with both 3.3V and 5V microcontrollers.
상세한 view of the onboard SPI control interface and voltage translator for connecting to various MCUs.
Refer to the pinout table below for correct wiring:
| 핀 | 설명 |
|---|---|
| (주)비씨씨 | 3.3V/5V 전원 공급 장치 |
| 접지 | 지면 |
| 소음 | SPI MOSI 핀 |
| 클락 | SPI SCK 핀 |
| CS | SPI 칩 선택, 낮은 활성 |
| DC | Data / Command selection (high for data, low for command) |
| 뉴스 | External reset, low active |
| 바쁜 | Busy status output (high for busy) |
4. Operating the E-Ink Display
The Waveshare 2.13-inch E-Ink Display operates by arranging charged particles in microcapsules. When an electric field is applied, these particles move to become visible, reflecting ambient light. This technology provides a paper-like display that is clear and readable in various lighting conditions without requiring a backlight.
4.1 Display Refresh
The display supports both full and partial refresh modes. Full refresh clears the entire screen and redraws the content, typically taking longer but ensuring a completely clean display. Partial refresh updates only the changed areas, resulting in faster updates and reduced power consumption, suitable for dynamic content like sensor readings or notifications.
4.2 전력 소모
E-Ink displays are known for their ultra-low power consumption. Power is primarily consumed only during the screen refresh cycle. Once an image is displayed, it remains visible without any further power input, making it highly energy-efficient for static information displays.
4.3 프로그래밍 및 예시amp레
Waveshare는 광범위한 온라인 문서와 예시를 제공합니다.ample code for various platforms, including Raspberry Pi, Jetson Nano, Arduino, and STM32. These resources include driver board circuit diagrams and demo programs to help you get started with programming the display. Please refer to the official Waveshare online user manual for detailed programming guides and examp레.
5. 유지관리
To ensure the longevity and optimal performance of your Waveshare 2.13-inch E-Ink Display HAT, follow these maintenance guidelines:
- 청소: Gently wipe the display surface with a soft, dry, lint-free cloth. Avoid using abrasive materials, solvents, or chemical cleaners, as these can damage the screen.
- 손질: Handle the display by its edges. Avoid applying excessive pressure to the screen surface, which can cause damage.
- 저장: Store the display in a cool, dry environment, away from direct sunlight and extreme temperatures.
- 환경 조건: Operate the display within its specified temperature and humidity ranges to prevent malfunction.
- 전원 관리 : While E-Ink displays retain content without power, frequent power cycling or improper shutdown procedures can potentially impact performance over time.
6. 문제 해결
If you encounter issues with your Waveshare 2.13-inch E-Ink Display HAT, consider the following troubleshooting steps:
- 화면이 새로 고쳐지지 않음:
- Check all physical connections, especially the SPI interface and power supply.
- Ensure your code is correctly initializing the display and sending refresh commands.
- Verify that the power supply to your host board (Raspberry Pi, Arduino, etc.) is stable and sufficient.
- Garbled or Incomplete Display:
- Confirm that the SPI communication lines (MOSI, SCK, CS, DC, RST, BUSY) are correctly wired and not loose.
- Check for any software errors in your display driver or application code.
- Perform a full refresh to clear any residual image data.
- 화면이 전혀 표시되지 않음:
- Ensure the HAT is properly seated on the Raspberry Pi GPIO header or that all wires are connected correctly if using a different MCU.
- Verify that the host board is powered on and functioning.
- Check for any short circuits or damage to the HAT.
- 호환성 문제:
- Confirm that your host microcontroller's voltage (3.3V or 5V) is compatible and that the onboard voltage translator is functioning correctly.
- Ensure you are using the correct drivers and libraries for your specific host platform and the V4 version of the display.
For further assistance, consult the online user manual and resources provided by Waveshare, or contact their technical support.
7. 사양
Detailed technical specifications for the Waveshare 2.13-inch E-Ink Display HAT V4:
위에view of the display's features and technical specifications.
| 특징 | 값 |
|---|---|
| 스탠딩 스크린 디스플레이 크기 | 2.13 인치 |
| 품목 모델 번호 | 2.13인치 전자종이 모자 |
| 품목 무게 | 0.352 온스 |
| 제품 크기(LxWxH) | 7.09 x 3.94 x 3.54 인치 |
| 색상 | 2.13인치 전자종이 모자 |
| 운영 볼륨tage | 3.3V/5V |
| 인터페이스 | 3선 SPI, 4선 SPI |
| 개요 치수 | 65 x 30.2mm |
| 디스플레이 크기 | 48.55 x 23.71mm |
| 도트 피치 | 0.194 x 0.194mm |
| 해결 | 250 x 122 픽셀 |
| 디스플레이 색상 | 검은색, 흰색 |
| 회색조 | 2 |
| 부분 새로 고침 시간 | 0.3초 |
| 전체 새로 고침 시간 | 2s |
| 새로 고침 전원 | 26.4mW(일반) |
| 대기 전류 | <0.01uA (거의 없음) |
| View잉 각도 | >170° |
Outline Dimensions Diagram:
Detailed diagram illustrating the physical dimensions of the 2.13-inch e-Paper HAT in millimeters.
8. 응용 예amp레
The Waveshare 2.13-inch E-Ink Display HAT is suitable for a wide range of applications due to its unique characteristics:
시각적 전amples of the e-Paper HAT in various real-world applications.
- Electronic Shelf Labels: Ideal for displaying product information and pricing in retail environments.
- 산업용 계측기: Suitable for displaying data in low-power or harsh industrial settings.
- 자산/장비 Tags: For tracking and identifying assets with persistent information.
- 회의명 Tags: Provides clear, customizable identification for events.
- 스마트 홈 디스플레이: For displaying static information like weather, schedules, or device status.
9. 지원 및 리소스
Waveshare provides comprehensive online resources to assist you with the 2.13-inch E-Ink Display HAT V4. These resources include detailed user manuals, programming examples, and technical documentation.
온라인 사용자 매뉴얼:
최신 정보, 자세한 튜토리얼 및 예시를 보려면 다음을 참조하세요.ample code for various platforms (Raspberry Pi, Jetson Nano, Arduino, STM32), please refer to the official Waveshare online user manual. This manual includes driver board circuit diagrams and guides for implementing fast refreshing functions.
You can typically find these resources on the Waveshare product page or their official wiki by searching for "2.13inch e-Paper HAT".
기술 지원:
If you require further technical assistance or have questions not covered in the online documentation, please contact Waveshare customer support through their official web대지.
