Electric Ink Display Module Fit for Nano Main Control Board 4.2 Inch 400 X 300 Red Yellow Black

Feature: 1. Low Power Consumption: The 4.2 inch electric ink paper display module consumes very little power, mainly during refresh, ensuring long lasting performance. 2. Non Backlit Display: Featuring a no backlight design, the electric paper module can maintain the last screen content even after power off, offering added convenience. 3. Wide Compatibility: The electric ink display screen fits for SPI control interface allows secure connection, fitting for Nano, fitting for STM32, and other main control boards. 4. Multifuncitonal Use: The Electric Paper Display is suitable for use in mall price tag, asset labels, electronic shelf labels, conference nametags, and more. 5. Enhanced Display Quality: The electric paper screen provides clear visibility in various lighting conditions and offers a viewing angle of nearly 180 degrees . Specification: Item Type: Electric Ink Display Module Material: PCB Display Size: Approx. 84.8 x 63.6mm 3.34 x 2.50in Drive Board Size: Approx. 103.0 x 78.5mm 4.06 x 3.09in Operating Voltage: 3.3V5V Interface: Fit for SPI Dot Pitch: 0.212mm x 0.212mm Resolution: 400 x 300 Display Color: Black, White, Red, Yellow Gray Level: 2 Refresh Time: 21s Refresh Power Consumption: < 30 mW (typ.) Sleep Current: < 0.01uA (close to 0). Package List: 1 x Electric Ink Display Module 1 x Connecting Cable