e-Paper Panel - 2.7 inch
e-Paper Panel - 2.7 inch
e-Paper Panel - 2.7 inch
The e-Paper Panel - 2.7 inch is an electronic ink display module that renders text and graphics with ultra-low power consumption, making it ideal for battery-operated IoT devices, smart labels, and portable information displays. Professional embedded systems engineers and IoT developers use this display technology to create responsive, always-on interfaces that consume minimal power while maintaining excellent visibility in various lighting conditions. This product solves the critical challenge of balancing display quality with energy efficiency in remote monitoring systems, digital signage, and wearable applications where battery life is paramount.
Product Overview
The 2.7-inch e-Paper display operates on electrophoretic ink technology, where millions of microcapsules containing charged particles create images through electrical field manipulation. Unlike LCD or OLED displays that require constant backlight power, e-Paper panels only consume energy during image updates, allowing devices to maintain static displays indefinitely without battery drain. This 2.7-inch model features a 264x176 pixel resolution with 4-level grayscale capability, delivering crisp text rendering and detailed graphics suitable for industrial dashboards, weather stations, inventory management systems, and smart shelf labels in retail environments.
The panel integrates with standard microcontroller platforms through SPI communication protocol, supporting popular development boards like Arduino, Raspberry Pi, and STM32 microcontrollers. Its reflective display technology eliminates the need for backlighting, providing excellent readability in bright sunlight while consuming only 2-5mW during idle states and approximately 50-100mW during refresh cycles. The module features a flexible PCB connector and operates across a wide temperature range of -10°C to 60°C, making it suitable for both indoor climate-controlled environments and outdoor industrial applications.
Key Specifications
| Specification | Details |
| Product Type | Electronic Paper Display Module |
| Display Size | 2.7 inches diagonal |
| Resolution | 264 x 176 pixels |
| Color Depth | 4-level grayscale (2-bit) |
| Communication Interface | SPI (Serial Peripheral Interface) |
| Operating Voltage | 3.3V logic, 15V display driving voltage |
| Power Consumption | 2-5mW idle, 50-100mW during refresh |
| Refresh Rate | 0.5-2 seconds full refresh |
| Viewing Angle | 170 degrees horizontal and vertical |
| Operating Temperature | -10°C to 60°C |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
Key Features
- Ultra-Low Power Consumption: Draws only 2-5mW in idle state, extending battery life to months or years in sleep mode for IoT and remote sensing applications
- High Contrast Reflective Display: Delivers excellent readability in direct sunlight without backlighting, achieving contrast ratios suitable for outdoor signage and industrial monitoring
- Fast SPI Communication: Supports data transfer rates up to 10MHz, enabling rapid image updates and real-time data visualization on embedded systems
- Wide Viewing Angle: 170-degree horizontal and vertical viewing angles eliminate image distortion, making displays readable from multiple perspectives in shared workspaces
- Flexible Integration: Compatible with Arduino, Raspberry Pi, STM32, and custom embedded systems through standard SPI protocol and readily available driver libraries
- Partial Refresh Capability: Supports selective region updates to minimize power consumption when only portions of the display require updating
Applications and Use Cases
- Smart Shelf Labels: Retail and warehouse inventory management systems that automatically update pricing and product information across multiple locations without manual intervention
- IoT Environmental Monitoring: Weather stations, air quality monitors, and environmental sensors that display real-time data with minimal power draw for remote deployment
- Battery-Powered Wearables: Portable health trackers, smartwatches, and personal dosimeters that require extended battery life with readable information display
- Industrial Control Panels: Manufacturing equipment status displays, production dashboards, and process monitoring interfaces that operate in harsh lighting conditions
- Digital Signage: Museum exhibits, transportation schedules, and information kiosks requiring static or slowly-updating content with zero power consumption during idle periods
- Embedded Data Logging: Scientific instruments and field equipment that record and display measurements with minimal power consumption for extended field operations
How to Use
To integrate the 2.7-inch e-Paper panel into your project, first establish the SPI connection by connecting the module's CLK, MOSI, CS, DC (Data/Command), and RST (Reset) pins to your microcontroller's corresponding SPI pins. Supply 3.3V logic voltage to the module and ensure a stable power source for the internal display driver, which may require a separate 15V boost converter depending on your implementation. Download the appropriate driver library for your platform (Arduino, Raspberry Pi, or custom firmware) and initialize the display by setting GPIO pins for chip select, data/command, and reset control before sending initialization commands.
Begin operation by loading your image data into the module's frame buffer using the SPI interface, then issue the refresh command to update the physical display. For applications requiring frequent updates, implement partial refresh routines to update only changed regions, significantly reducing power consumption. Monitor the busy signal from the module to ensure refresh cycles complete before sending new commands, and implement proper error handling for SPI communication failures. For battery-powered applications, configure the module to enter sleep mode between updates and use interrupt-driven refresh schedules rather than continuous polling to maximize battery life.
Frequently Asked Questions
What is the difference between full refresh and partial refresh on e-Paper displays?
Full refresh cycles through all pixels to clear ghosting artifacts and ensure accurate image representation, consuming approximately 50-100mW and taking 1-2 seconds. Partial refresh updates only specified regions, consuming significantly less power (5-10mW) but may leave minor ghosting artifacts if used repeatedly. For applications with frequent updates, alternate between partial refreshes for speed and full refreshes every 10-20 cycles to maintain image quality while optimizing power consumption.
Can the e-Paper panel display images and videos, or only text?
The 2.7-inch e-Paper panel with 4-level grayscale can display both text and detailed images including photographs, charts, and complex graphics. However, it is not suitable for video playback due to slow refresh rates (0.5-2 seconds per frame). For static or slowly-updating content like weather data, news headlines, product images, and technical diagrams, the panel performs excellently with crisp detail and high contrast.
What microcontrollers are compatible with this e-Paper panel?
The panel uses standard SPI communication, making it compatible with virtually any microcontroller with SPI capability including Arduino Uno, Arduino Mega, Raspberry Pi, STM32 series, ESP8266, ESP32, and PIC microcontrollers. Driver libraries are readily available for Arduino and Raspberry Pi platforms. Custom implementations require understanding the SPI protocol and the module's command set, which is typically documented in the manufacturer's datasheet.
How long does the battery last with an e-Paper display?
Battery life depends heavily on update frequency and application design. With updates every hour and 1-second refresh time, a typical 2000mAh battery can power the module for 6-12 months. In sleep mode with minimal updates (once per day), battery life extends to 2-3 years. The key advantage is that e-Paper consumes zero power while displaying static content, unlike LCD displays that drain batteries continuously.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Tech Depot
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy e-Paper Panel - 2.7 inch Online in India
Purchase the e-Paper Panel - 2.7 inch online at The Tech Depot, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on e-Paper Panel - 2.7 inch with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.