2.15inch 4 Color e-Paper Display (G) 2.15inch e-Paper display with 296 × 160 resolution, red / yellow / black / white four-color output, SPI interface, low power consumption, and optional HAT+ driver board support. Designed for price tags, shelf labels, industrial instruments, asset labels, conference name tags, and other compact low-power display applications. Key Features 2.15inch e-paper display with 296 × 160 resolution and red / yellow / black / white four-color output. No backlight; the screen keeps displaying the last content for a long time even after power is removed. Ultra-low power consumption, with power mainly required during refresh. Wide viewing angle and paper-like visual effect under ambient light. SPI communication interface for controller boards such as Raspberry Pi, Jetson Nano, RDK X3, Arduino, and STM32. Optional HAT+ driver board supports Raspberry Pi 40PIN GPIO, HAT+ standard, and onboard voltage translation for 3.3V / 5V MCUs. Version Options 2.15inch e-Paper (G) Raw display version without driver board. 2.15inch e-Paper HAT+ (G) Version with HAT+ driver board. Specifications Operating voltage Raw display: 3.3V; with driver board: 3.3V / 5V Interface 3-wire SPI, 4-wire SPI Display color Red / Yellow / Black / White Resolution 296 × 160 pixels Raw display dimensions 60.8 × 31.8 × 1.00mm With driver board dimensions 65 × 34mm Display size 48.10 × 26mm Dot pitch 0.1625 × 0.1625mm Grey scale 2 Full refresh time 20s Refresh power