View source for 4.2inch e-Paper Cloud Module

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{{Infobox item
|name=4.2inch e-Paper Cloud Module
|img=[[File:4.2inch-e-Paper-Cloud-Module-1.jpg|300px|{{Amazon_nolink|default={{#ifeq: {{#urlget:amazon|0}}|{{#urlget:Amazon|0}}| default|}}|url=link=https://www.waveshare.com/4.2inch-e-Paper-cloud-module.htm?amazon}}]]
|caption=4.2inch E-Paper Cloud Module, 400 × 300 Pixels, WiFi Connectivity
|category=[[:Category:OLEDs / LCDs|OLEDs / LCDs]], [[:Category:LCD|LCD]], [[:Category:Display|e-Paper]]
|brand=Waveshare
|{{#ifeq: {{#urlget:amazon|0}}|{{#urlget:Amazon|0}}| default|}}=display
|website_cn=[https://www.waveshare.net/shop/4.2inch-e-Paper-Cloud-Module.htm 官方中文站点]
|website_en=[https://www.waveshare.com/4.2inch-e-Paper-cloud-module.htm Waveshare website]
|interface1=SPI
|related=
{{Product List|OLEDs / LCDs/e-Paper}}
}}
=Overview=
You can connect to the device via wifi with port number 6868, and update the display with commands.<br />
You can configure the devices via wifi or Bluetooth, if you are the first time configure the device, only Bluetooth is available.<br />
<font color=red><big>'''The firmware of the 4,2inch cannot be reprogrammed by used because the flash is locked.<br />
You need to wake up the device by button'''</big></font>

==Features==
*Suitable as equipment labels, shelf labels, information storage, etc.
*Integrates SW6106 chip, supports multiple quick charge protocols including PD / QC / FCP / PE / SFCP, etc.
*Allows the user to control the display content via a remote server, convenient and flexible
*The voltage detection circuit can detect the battery circuit to avoid over-discharge.
*ID support, make it easy to centrally manage and track the modules
*Provides Android APP for configuring and managing the modules
*No backlight, keeps displaying last content for a long time even when power down
*Long battery life, basically power consumption is only required for refreshing
*Provide complete supporting information manual

==Specification==
*Power supply： Battery
*Resolution：400 x 300
*Pixel pitch：0.212 × 0.212
*Display color： Black, White
*Refresh time：4s
*Viewing Angle：>170°
*Outline Dimensions：96.5mm × 85mm 
*Display Size：84.8mm × 63.6mm
*Maximum refresh times (battery capacity: 1000mah): 1500+
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{{E-Paper Cloud Module Manual}}

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<div class="tabbertab" title="RPI User Guides">
{{RPi User Guides for 4.2inch e-Paper Cloud}}

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<div class="tabbertab" title="Windows User Guides">
{{Windows User Guides for 4.2inch e-Paper Cloud}}

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=Resource=
===Related Guides===
*[https://www.waveshare.com/wiki/E-Paper_Floyd-Steinberg Making BMP file for e-Paper]

===Androdi app===
*[https://www.waveshare.com/w/upload/1/1e/Cloud_e-Paper.zip Android APP]
*[https://www.waveshare.com/w/upload/3/33/Cloud_e-paper.7z Android APP Souces Codes]
*You can also scan the below QR Code to install the APP
:[[File:Cloud_APP.png|400px]]

===Raspberry Pi Examples===
*[https://www.waveshare.com/w/upload/2/2e/Cloud_RPI.7z Raspberry Pi examples]
*[https://www.waveshare.com/w/upload/5/57/Cloud_WIN.7z Windows Examples]
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=FAQ=
{{FAQ|What is the usage environment of the e-ink screen?
|【Working conditions】Temperature range: 0~50°C; Humidity range: 35%~65%RH
【Storage conditions】: Temperature range: below 30°C; Humidity range: below 55%RH; Maximum storage time: 6 months
}}

<div class="tabbertab" title="Support"><br />{{Service00}}</div>