1. บทนำ
This manual provides detailed instructions for the Waveshare 2.13inch Touch E-Paper E-Ink Display HAT, designed for compatibility with Raspberry Pi Zero and Zero W. This display features a 250x122 pixel resolution, capacitive touch with 5-point support, and partial refresh capabilities. Its low power consumption and paper-like effect make it suitable for various applications where persistent display and energy efficiency are crucial.
Figure 1: Waveshare 2.13inch Touch E-Paper HAT with ABS case.
2. เนื้อหาบรรจุภัณฑ์
ตรวจสอบว่ารายการทั้งหมดที่ระบุไว้ด้านล่างนี้รวมอยู่ในแพ็คเกจของคุณ:
- 2.13inch Touch e-Paper HAT x1
- ABS case x1
- ไขควง x1
- Thermal tape x1
- Rubber feet (4PCS) x1
- สกรู x2
รูปที่ 2: ส่วนประกอบที่รวมอยู่ในแพ็คเกจผลิตภัณฑ์
3. คุณสมบัติโดยสรุป
The Waveshare 2.13inch Touch E-Paper HAT offers the following key features:
- 2.13" capacitive touch e-Paper display with 5-point touch support.
- Resolution of 250x122 pixels.
- Supports wake-up by user-defined gesture.
- No backlight required; retains content indefinitely even when powered down.
- Ultra-low power consumption, with power primarily needed for refreshing.
- Standard Raspberry Pi 40PIN GPIO extension header, compatible with Raspberry Pi Zero / Zero W.
- Partial Refresh Support for faster updates.
- กว้าง viewing angle and paper-like display effect.
รูปที่ 3: เกินview of the display's key features.
4. แอดวานtages of E-Ink Technology
E-paper displays utilize microcapsule electrophoretic technology. This principle involves charged particles suspended in a clear fluid that move to the sides of a microcapsule when an electric field is applied, making the microcapsule visible by reflecting ambient light, similar to traditional printed paper. E-paper displays clearly show images and text under lamplight or natural light, require no backlight, and offer nearly 180° viewing angle. This technology is commonly used in e-readers due to its paper-like effect, which is comfortable for extended reading.
Figure 4: Visual comparison of E-Ink display with traditional paper and LCD.
5. การตั้งค่าและการติดตั้ง
Follow these steps to install your Waveshare 2.13inch Touch E-Paper HAT:
- Prepare the Display and Upper Case: Carefully remove the protective back coating from the e-paper display. Align and attach the display to the upper part of the ABS protection case.
- Install Raspberry Pi and Thermal Tape: Attach the thermal tape to the heat dissipation holes located on the lower part of the ABS case. Place your Raspberry Pi Zero/Zero W into the lower case and secure it with the provided screws. Ensure the Pi's GPIO pins align correctly with the display's header.
- ประกอบกล่อง: Combine the upper and lower case parts, ensuring the display's pinheaders align with the Raspberry Pi's GPIO header. Once the case is closed, attach the four rubber feet to the bottom for stability.
The case features precise cut-outs for the TF card slot, Mini HDMI port, USB port, and power supply. Heat dissipation holes on the back, combined with the thermal tape, ensure effective heat management. The standard Raspberry Pi 40PIN GPIO header ensures broad compatibility with Raspberry Pi Zero Series boards.
Figure 5: Installation steps for the e-Paper HAT and case.
Figure 6: Case design highlighting ports and heat dissipation.
Figure 7: Standard Raspberry Pi 40PIN GPIO header for compatibility.
6. คู่มือการใช้งาน
The 2.13inch Touch E-Paper HAT is designed for ease of use with Raspberry Pi boards. It features a capacitive touch screen supporting 5-point touch, allowing for interactive applications. The display maintains its content even when power is removed, making it highly energy efficient. Partial refresh functionality enables quicker updates for dynamic content, while a full refresh takes approximately 2 seconds.
The onboard control interface uses I2C for the touch panel and SPI for the display, ensuring reliable communication with your Raspberry Pi. For detailed programming examples and software setup, refer to the online user manual and development resources provided by Waveshare.
Video 1: Demonstrates the features and application of the 2.13inch Touch e-Paper HAT, including its resolution, power retention, compatibility with Raspberry Pi 4B and Zero, capacitive touch, and partial/full refresh capabilities.
7. การบำรุงรักษา
To ensure the longevity and optimal performance of your e-Paper display, consider the following maintenance tips:
- การทำความสะอาด: Use a soft, dry, lint-free cloth to gently wipe the display surface. Avoid using abrasive cleaners or solvents, which can damage the screen.
- การจัดการ: Handle the display and Raspberry Pi assembly with care. Avoid applying excessive pressure to the screen or bending the PCB.
- พื้นที่จัดเก็บ: When not in use, store the device in a cool, dry environment away from direct sunlight and extreme temperatures.
- อัพเดตเฟิร์มแวร์: Regularly check the Waveshare official website for any firmware or software updates that may improve performance or add new features.
8 การแก้ไขปัญหา
If you encounter issues with your Waveshare 2.13inch Touch E-Paper HAT, refer to the following common troubleshooting steps:
- Display Not Refreshing/Blank: Ensure the Raspberry Pi is powered correctly and the display is securely connected to the GPIO header. Verify that the software drivers are installed and configured according to the Waveshare documentation. A full refresh might be needed if the display appears stuck.
- ฟังก์ชันการสัมผัสใช้งานไม่ได้: Check the I2C connection for the touch panel. Confirm that the necessary touch drivers are installed and enabled in your Raspberry Pi's operating system.
- Case Fit Issues (Raspberry Pi Zero 2W): Some users have reported that fitting a Raspberry Pi Zero 2W with a pre-soldered header into the case can be tight. It may require careful positioning or a low-profile header. Ensure the Pi is inserted into the case before attaching the screen.
- Lack of Documentation: แม้ว่าคู่มือเล่มนี้จะให้ข้อมูลโดยรวมมากกว่า 100% ก็ตามview, comprehensive development resources and example code for Raspberry Pi are available on the Waveshare Wiki webเว็บไซต์. ค้นหา your specific product model on their official support pages.
- อัตราการรีเฟรชช้า: E-paper displays inherently have slower refresh rates compared to LCDs. Partial refresh is faster for minor updates, but a full screen refresh can take up to 2 seconds. This is normal behavior for e-paper technology.
9. ข้อมูลจำเพาะ
Detailed technical specifications for the 2.13inch Touch E-Paper HAT:
| คุณลักษณะ | ค่า |
|---|---|
| ขนาดการแสดงผลหน้าจอยืน | 2.13 นิ้ว |
| ปณิธาน | 250 x 122 พิกเซล |
| สีจอแสดงผล | สีดำ, สีขาว |
| ระดับสีเทา | 2 |
| ประเภทสัมผัส | ความจุ |
| จุดสัมผัส | ฮิต (สูงสุด) |
| ปฏิบัติการฉบับที่tage | 3.3โวลต์ |
| อินเทอร์เฟซ | 3-wire SPI, 4-wire SPI (Display), I2C (Touch Panel) |
| Partial Refresh Time | 0.3วินาที |
| Full Refresh Time | 2s |
| รีเฟรชพลัง | 26.4mW (ทั่วไป) |
| กระแสไฟสแตนด์บาย | <0.01uA (almost none) |
| Viewอิงแองเกิล | >170° |
| ขนาดสินค้า (กxยxส) | 2.72 x 1.53 x 1.53 นิ้ว (69.15 x 38.90 x 18.60 มม.) |
| น้ำหนักสินค้า | 2.46 ออนซ์ |
| ระบบปฏิบัติการที่รองรับ | ลินุกซ์ |
| Processor Brand (for Pi) | บรอดคอม |
Figure 8: Pinout definition and outline dimensions.
10. การรับประกันและการสนับสนุน
Waveshare products are designed for reliability and performance. For technical support, additional documentation, and the latest software examples, please visit the official Waveshare Wiki and support pages. These resources provide comprehensive guides and community forums to assist with your projects.
While specific warranty details are subject to regional policies, Waveshare is committed to providing quality products and support. For any product-related inquiries or assistance, please contact Waveshare customer service through their official channels.
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