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152x152, 1.54inch E-Ink display module, yellow/black/white,1.54'' 4-color Multi-color E-Paper Display, black, white,Electronic paper 1.54 inch low temp E Ink screen 152x152,1.54inch-e-paper-module-b-2_4.jpg,200x200, 1.54inch E-Ink display module, three-color, SPI

• PCB の付いた e-Paper (e-Ink) ディスプレイモジュール： 1.54inch、解像度 152x1562、コントローラ内蔵
• インタフェース： SPI
• ３色： 黄/黒/白
• 外形サイズ： 31.8×37.32×1.05mm
• ディスプレイサイズ： 27.51×27.51mm

Features
- No backlight, keeps displaying last content for a long time even when power down
- Ultra low power consumption, basically power is only required for refreshing
- SPI interface, for connecting with controller boards like Raspberry Pi/Nucleo, etc.
- Onboard voltage translator, compatible with 3.3V/5V MCUs
- Comes with development resources and manual (examples for Raspberry Pi/STM32)

Specifications
- Operating voltage: 3.3V/5V
- Interface: 3-wire SPI, 4-wire SP
I - Outline dimension: 31.8mm × 37.32mm × 1.05mm
- Display size: 27.51mm × 27.51mm
- Dot pitch: 0.181 × 0.181
- Resolution: 152 × 152
- Display color: yellow, black, white
- Grey level: 2
- Full refresh time: 27s
- Refresh power: 26.4mW(typ.)
- Standby power: <0.017mW
- Viewing angle:>170°

Interface
- VCC: 3.3V/5V
- GND: Ground
- DIN: SPI MOSI pin
- CLK: SPI SCK pin
- CS: SPI chip selection, low active
- DC: Data/Command selection (high for data, low for command)
- RST: External reset, low active
- BUSY: Busy status output, low active


Development Resources
1.54inch e-Paper Module (Yellow/Black/White)
https://www.waveshare.com/wiki/1.54inch_e-Paper_Module_(C)