1.64 inch square e-Paper Module (G) 1.64inch 4-Color Square E-Paper Display Module A compact 168 × 168 square e-paper module supporting red, yellow, black, and white display output, with SPI interface, wide viewing angle, and ultra-low power paper-like display. Key Features 1.64 inch square e-paper panel with 168 × 168 resolution. Four-color display: red, yellow, black, and white. No backlight required; content remains visible after power is removed. Ultra-low power consumption, mainly required during refresh. SPI interface for Raspberry Pi, Jetson Nano, Arduino, STM32, and other controller boards. Onboard voltage translator for 3.3V and 5V MCU compatibility. Specifications Operating voltage 3.3V / 5V Display color Red / Yellow / Black / White Interface 3-wire SPI / 4-wire SPI Grey scale 2 Resolution 168 × 168 pixels Display size 29.568 × 29.568mm Outline dimensions 47 × 38mm Full refresh time 12s Refresh power
