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Lonten Technology

4.2-inch electronic paper 400x300 4.2-inch electronic ink display module without backlight wide-angle SPI interface, custom PCB

4.2-inch electronic paper 400x300 4.2-inch electronic ink display module without backlight wide-angle SPI interface, custom PCB

$32.00 USD
$72.00 USD $32.00 USD
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DESCRIPTION

 

400x300, 4.2inch E-Ink display module, SPI interface

Overview

This is an E-Ink display module, 4.2inch, 400x300 resolution, with embedded controller, communicating via SPI interface.

Due to the advantages like ultra low power consumption, wide viewing angle, great effect under sunlight, it is an ideal choice for applications such as shelf label, industrial instrument, and so on.

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/Ard/Nucleo, etc.
  •  Onboard voltage translator, compatible with 3.3V/5V MCUs
  •  Comes with development resources and manual (examples for Raspberry Pi/Jetson Nano/Ard/STM32)

Specifications

  •  Operating voltage: 3.3V~5V
  •  Interface: 3-wire SPI, 4-wire SPI
  •  Outline dimension: 103.0mm × 78.5mm
  •  Display size: 84.8mm × 63.6mm
  •  Dot pitch: 0.212 × 0.212
  •  Resolution: 400 × 300
  •  Display color: black, white
  •  Grey level: 2
  •  Full refresh time: 4s
  •  Refresh power: 26.4mW(typ.)
  •  Standby power: <0.017mW
  •  Viewing angle: >170

Photos

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Interface

SYMBOL DESCRIPTION
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

Dimensions

 

 

 

 
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