{"product_id":"adafruit-4947-2-13inch-250x122-tri-color-eink-epaper-display-with-sram-ssd1680-driver","title":"Adafruit 4947 2.13inch 250x122 Tri-Color eInk \/ ePaper Display with SRAM - SSD1680 Driver","description":"\u003cmeta name=\"description\" content=\"Buy Adafruit 4947 2.13inch 250x122 Tri-Color eInk \/ ePaper Display with SRAM - SSD1680 Driver online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eAdafruit 4947 2.13inch 250x122 Tri-Color eInk \/ ePaper Display with SRAM - SSD1680 Driver\u003c\/h1\u003e\n\n\u003cp\u003eThe Adafruit 4947 is a 2.13-inch tri-color electronic paper display module featuring 250x122 pixel resolution with integrated SRAM and SSD1680 driver IC, designed for low-power IoT applications and embedded systems. Professional developers and hobbyists use this module to create battery-powered information displays, weather stations, inventory management systems, and smart shelf labels that require minimal power consumption and excellent visibility in ambient light. This product solves the critical challenge of displaying dynamic content on battery-powered devices without the power drain of traditional LCD or OLED screens, enabling weeks or months of operation on a single charge.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe Adafruit 4947 tri-color ePaper display utilizes electrophoretic display technology where electrically charged particles move within a thin microcapsule layer to create images. The display operates by applying voltage across the display matrix, causing red and black particles to move toward the viewer or away, depending on polarity. The SSD1680 driver IC manages the complex timing sequences and waveforms required for particle movement, while the integrated SRAM buffer stores the image data locally, reducing communication overhead with the host microcontroller. This architecture enables the display to maintain its image indefinitely without power consumption once the image is written, making it ideal for applications where power efficiency is paramount.\u003c\/p\u003e\n\n\u003cp\u003eThe 250x122 resolution provides sufficient pixel density for readable text and simple graphics across the 2.13-inch diagonal display area. The tri-color capability allows simultaneous display of black, white, and red elements, expanding visual communication possibilities beyond monochrome displays. The module communicates via SPI (Serial Peripheral Interface), a standard protocol supported by virtually all microcontrollers, making integration straightforward for developers familiar with embedded systems. The display features a flexible PCB connector for integration into compact designs and operates at 3.3V logic levels, compatible with modern microcontroller platforms including Arduino, Raspberry Pi, and STM32 boards.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTri-Color eInk \/ ePaper Display Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAdafruit Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Size\u003c\/td\u003e\n\u003ctd\u003e2.13 inches diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e250 x 122 pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor Support\u003c\/td\u003e\n\u003ctd\u003eTri-Color: Black, White, Red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver IC\u003c\/td\u003e\n\u003ctd\u003eSSD1680\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eSPI (Serial Peripheral Interface)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V logic, 15V display driving voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMinimal in standby, peak during refresh cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefresh Time\u003c\/td\u003e\n\u003ctd\u003eApproximately 2-3 seconds for full refresh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003eIntegrated SRAM buffer for image storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eTri-Color Display Capability: Simultaneous display of black, white, and red pixels enabling richer visual communication compared to monochrome alternatives, ideal for status indicators, alerts, and branded content\u003c\/li\u003e\n\u003cli\u003eUltra-Low Power Consumption: Electrophoretic technology maintains displayed image indefinitely without power draw, enabling battery-powered devices to operate for months on a single charge\u003c\/li\u003e\n\u003cli\u003eIntegrated SRAM Buffer: On-board memory stores image data locally, reducing microcontroller memory requirements and SPI communication overhead during display updates\u003c\/li\u003e\n\u003cli\u003eSSD1680 Driver Integration: Professional-grade driver IC handles complex voltage waveform generation and timing sequences, simplifying integration and ensuring reliable display operation\u003c\/li\u003e\n\u003cli\u003eSPI Communication: Industry-standard Serial Peripheral Interface enables straightforward integration with Arduino, Raspberry Pi, STM32, and other microcontroller platforms\u003c\/li\u003e\n\u003cli\u003eFlexible PCB Connector: Compact form factor with flexible connector allows integration into space-constrained designs and wearable applications\u003c\/li\u003e\n\u003cli\u003eWide Viewing Angles: Electrophoretic technology provides excellent visibility from multiple angles without image degradation, superior to LCD displays\u003c\/li\u003e\n\u003cli\u003eAmbient Light Independence: Display remains clearly visible in bright sunlight without backlight power consumption, perfect for outdoor applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eSmart Shelf Labels: Retail environments utilize these displays for dynamic pricing and product information updates in supermarkets and warehouses, reducing paper waste and enabling real-time price synchronization across multiple locations\u003c\/li\u003e\n\u003cli\u003eIoT Weather Stations: Battery-powered weather display modules show temperature, humidity, and atmospheric pressure with multi-week battery life, ideal for remote monitoring stations and outdoor installations\u003c\/li\u003e\n\u003cli\u003eInventory Management Systems: Warehouse management applications display stock levels and location information on mobile carts and fixed stations, with SPI integration enabling wireless data synchronization\u003c\/li\u003e\n\u003cli\u003eWearable Devices: Smartwatch and fitness tracker applications leverage the ultra-low power consumption to extend battery life while displaying health metrics, time, and notifications\u003c\/li\u003e\n\u003cli\u003ePublic Transportation Displays: Bus and train information systems use tri-color displays for route numbers, arrival times, and status messages with excellent sunlight readability\u003c\/li\u003e\n\u003cli\u003eMedical Device Displays: Patient monitoring equipment and portable diagnostic devices utilize the display for vital signs and measurement results with minimal power impact on battery life\u003c\/li\u003e\n\u003cli\u003eHome Automation Dashboards: Wall-mounted energy monitoring and smart home control panels display real-time data with weeks of operation between charging cycles\u003c\/li\u003e\n\u003cli\u003eIndustrial Equipment Labels: Manufacturing and logistics applications use these displays for dynamic equipment status, QR codes, and operational parameters in harsh environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003cp\u003eTo integrate the Adafruit 4947 display with your microcontroller project, first establish SPI communication by connecting the display's clock (CLK), data input (MOSI), chip select (CS), and data\/command (DC) pins to corresponding SPI pins on your microcontroller. Additionally, connect the reset (RST) pin to a GPIO pin for hardware reset capability. Power the module with 3.3V and ground connections. Download the Adafruit GFX and EPD display libraries from the official GitHub repository and install them in your Arduino IDE or development environment. Initialize the display object with the appropriate pin assignments and SSD1680 driver parameters, then use the library functions to draw text, shapes, and images to the display buffer before calling the display refresh function to update the physical display.\u003c\/p\u003e\n\n\u003cp\u003eWhen designing your application, remember that the display refresh cycle consumes temporary power and takes 2-3 seconds to complete, so batch multiple updates together rather than refreshing after each change. Utilize the integrated SRAM buffer to store image data locally, reducing the frequency of SPI transfers from your microcontroller. For battery-powered applications, implement sleep modes on both the microcontroller and display to minimize power consumption between updates. The tri-color capability allows you to use red pixels strategically for warnings or critical information, while black pixels convey standard data. Test your display refresh patterns during development to optimize the update frequency for your specific application requirements, balancing visual responsiveness against power consumption.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between eInk and ePaper display technology?\u003c\/summary\u003e\n\u003cp\u003eeInk and ePaper are essentially equivalent terms describing electrophoretic display technology. The terms are used interchangeably in the industry. Both refer to displays using charged particles suspended in microcapsules that move in response to electrical fields. The Adafruit 4947 uses this technology, providing permanent image retention without power consumption once the image is written, distinguishing it from LCD or OLED displays that require continuous power to maintain an image.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan I update the display frequently or will it reduce the lifespan?\u003c\/summary\u003e\n\u003cp\u003eThe Adafruit 4947 can tolerate thousands of refresh cycles without degradation, making frequent updates technically feasible. However, each refresh cycle consumes power, which impacts battery life in portable applications. For optimal battery longevity, limit display updates to necessary changes rather than refreshing continuously. Most applications update the display every few seconds to minutes, providing a good balance between visual responsiveness and power efficiency. The display itself will not degrade from normal usage patterns.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eIs this display compatible with Raspberry Pi and Arduino platforms?\u003c\/summary\u003e\n\u003cp\u003eYes, the Adafruit 4947 is fully compatible with both Arduino and Raspberry Pi platforms through SPI communication. Adafruit provides official libraries and example code for both platforms. Arduino users can install the libraries through the Arduino IDE library manager, while Raspberry Pi users can install Python libraries via pip. The 3.3V logic levels are compatible with both platforms, and the SPI pins are available on standard GPIO headers. Adafruit's documentation includes specific pinout diagrams for popular development boards.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the actual power consumption during standby and refresh?\u003c\/summary\u003e\n\u003cp\u003eDuring standby with a static image displayed, the Adafruit 4947 consumes virtually no power from the display itself, though the microcontroller still requires power. During refresh cycles, the display consumes temporary peak power to drive the electrophoretic particles, typically in the milliwatt range for a few seconds. The exact consumption depends on the refresh waveform and the amount of pixel change. For battery-powered applications, the microcontroller's sleep mode power consumption typically dominates the overall system power budget, not the display itself.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan the display show grayscale or only solid colors?\u003c\/summary\u003e\n\u003cp\u003eThe Adafruit 4947 is a tri-color display limited to black, white, and red pixels. It cannot display grayscale or color gradients. Each pixel is either fully black, fully white, or fully red. This limitation is inherent to the electrophoretic technology used. If your application requires grayscale or full-color capability, consider alternative display technologies such as LCD or OLED, though these will consume significantly more power in battery-powered applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe 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.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Engineer Store\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBuy Adafruit 4947 2.13inch 250x122 Tri-Color eInk \/ ePaper Display with SRAM - SSD1680 Driver Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eAdafruit 4947 2.13inch 250x122 Tri-Color eInk \/ ePaper Display with SRAM - SSD1680 Driver\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43856833577123,"sku":"TES-EV00082313","price":2281.12,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/4947-00-228x228.jpg?v=1704281376","url":"https:\/\/www.theengineerstore.in\/zh-hant\/products\/adafruit-4947-2-13inch-250x122-tri-color-eink-epaper-display-with-sram-ssd1680-driver","provider":"The Engineer Store","version":"1.0","type":"link"}