Difference between revisions of "4.2inch NFC-Powered e-Paper"

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(Created page with "{{Infobox item |name=4.2inch e-Paper |name2=4.2inch e-Paper Module |img=link=https://www.waveshare.com/4.2inch-e-Paper.htm |img2=File:4....")
 
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{{Product List|OLEDs / LCDs/e-Paper}}
 
{{Product List|OLEDs / LCDs/e-Paper}}
 
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}}
<div class="tabber">
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==Instruction==
<div class="tabbertab" title="Introducton">
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This is an NFC-powered 4.2inch e-Paper Module, with 400x300 resolution. Users can transmit data from smart phone or NFC reader to e-Papre and refresh by NFC.
= Introduction =
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===Features===
{{E-Paper Raw Panel}}
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*No backlight required, e-Paper keep displaying the last content for a long time without power
 
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*No power adapter requried
400x300, 4.2inch E-Ink display module, SPI interface
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*You can modify the display content by smart phone
 
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*Compe with ABS case
{{Amazon|{{#urlget:amazon|default}}=display
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*App is provided
|More = [http://www.waveshare.com/product/4.2inch-e-paper-module.htm More]}}
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===Specification===
 
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*Power: NFC-powered
= Interfaces =
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*Resolution: 400x300
{|class="wikitable"
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*Dot pitch: 0x212x 0x212
|-
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*Refresh time: 4s
| VCC || 3.3V
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*Display color: black, white
|-
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*Viewing angle: >170°
| GND || GND
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*Outline dimension: 105.0mm x 94.1mm, 9.90mm
|-
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*Display dimension: 84.8mm x 63.6mm
| DIN || SPI MOSI
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===User guide===
|-
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我们提供手机APP。在微雪百科界面找到4.2inch NFC e-Paper Driver Board 资料界面,下载应用程序APP并安装在手机,支持安卓Android4.0(Ice Cream Sandwich)以上版本。
| CLK || SPI SCK
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===APP使用步骤===
|-
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使用APP的步骤是:
| CS || SPI chip select (Low active)
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*点击下发的图片按钮设置图片,(图片可以是你手机相册里面的图片,也可以是使用摄像机拍照,注意,这里需要相机权限)
|-
+
:[[File:4.2inch NFC-Powered epaper manual-1.png|300px]] [[File:4.2inch NFC-Powered epaper manual-2.png|300px]]
| DC || Data/Command control pin (High for data, and low for command)
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:除了相机和拍照外,你还可以手动编辑文字图片
|-
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:[[File:4.2inch NFC-Powered epaper manual-3.png|300px]][[File:4.2inch NFC-Powered epaper manual-4.png|300px]][[File:4.2inch NFC-Powered epaper manual-5.png|300px]]
| RST || External reset pin (Low for reset)
+
*选择图片之后可以对图片进行裁剪,调整大小和旋转图像,为了更好的刷新效果,建议您预先根绝墨水屏参数设置好图片的大小以及各式。
|-
+
:[[File:4.2inch NFC-Powered epaper manual-7.png|300px]][[File:4.2inch NFC-Powered epaper manual-8.png|300px]][[File:4.2inch NFC-Powered epaper manual-9.png|300px]]
| BUSY || Busy state output pin (Low for busy)
+
*在主页面,你可以选择图像处理方式(纯黑白、灰阶化、模块化、素描化、霓虹化)
|}
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*在主页面,还可以点击左下角的调整按钮调整图像的亮度和对比度。 点击右下角的加号图标可以对图片进行颜色取反,方向,图片上下或左右颠倒的设置
= Working principle =
+
:[[File:4.2inch NFC-Powered epaper manual-10.png|300px]][[File:4.2inch NFC-Powered epaper manual-11.png|300px]][[File:4.2inch NFC-Powered epaper manual-12.png|300px]]
;Introduction
+
*再设置好了之后,将手机的NFC天线区域贴近4.2inch NFC-Powered e-Paper背面的天线区域。APP会感应墨水屏并自动进行数据传输和刷新操作
----
+
【注意】使用前先确保手机NFC已经开启,在数据传输和刷新的过程中,请不要移动手机。
This product is an E-paper device adopting the image display technology of Microencapsulated Electrophoretic Display, MED. The initial approach is to create tiny spheres, in which the charged color pigments are suspending in the transparent oil and would move depending on the electronic charge. The E-paper screen display patterns by reflecting the ambient light, so it has no background light requirement. Under sunshine, the E-paper screen still has high visibility with a wide viewing angle of 180 degree. It is the ideal choice for E-reading.
+
:[[File:4.2inch NFC-Powered epaper manual-13.png|300px]][[File:4.2inch NFC-Powered epaper manual-14.png|300px]][[File:4.2inch NFC-Powered epaper manual-15.png|300px]]
; Communication protocol
+
*额外功能
----
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:你还可以对图片进行涂鸦。点击右上角的...图标,选择相册,然后选择一张图片进入涂鸦模式。
[[File:1.54inch-e-paper-manual-1.png|400px]]
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:[[File:4.2inch NFC-Powered epaper manual-16.png|300px]]
 
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==Resources==
Note: Different from the traditional SPI protocol, the data line from the slave to the master is hidden since the device only has display requirement.
+
*[https://www.waveshare.com/w/upload/d/d7/NFCTag_EN.zip Android APP]
* CS is slave chip select, when CS is low, the chip is enabled.
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* DC is data/command control pin, when DC = 0, write command, when DC = 1, write data.
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* SCLK is the SPI communication clock.
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* SDIN is the data line from the master to the slave in SPI communication.  
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SPI communication has data transfer timing, which is combined by CPHA and CPOL.  
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# CPOL determines the level of the serial synchronous clock at idle state. When CPOL = 0, the level is Low. However, CPOL has little effect to the transmission.
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# CPHA determines whether data is collected at the first clock edge or at the second clock edge of serial synchronous clock; when CPHL = 0, data is collected at the first clock edge.
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* There are 4 SPI communication modes. SPI0 is commonly used, in which CPHL = 0, CPOL = 0.
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As you can see from the figure above, data transmission starts at the first falling edge of SCLK, and 8 bits of data are transferred in one clock cycle. In here, SPI0 is in used, and data is transferred by bits, MSB first.
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</div>
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<div class="tabbertab" title="Hardware/Software setup">
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{{Hardware/Software setting for SPI e-paper}}
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</div>
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<div class="tabbertab" title="Codes description">
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{{e-Paper Codes Description}}
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</div>
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<!--
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=== Display a Frame (DisplayFrame) ===
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DisplayFrame is used to send a frame to module, and the screen will refresh and display it.
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Process: resolution setting -> VCM DC setting -> VCOM and data interval setting -> Send command data start transmission 1 -> Send data of an white image (send 0xFF 15000 times) -> Send command data start transmission 2 -> Send data of an image to display -> set LUT -> Refresh the screen.
+
 
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Note:
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* You have to send a white frame before the frame to display.
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* 1 byte = 8 pixels, doesn’t support Gray scale (Can only display black and white). A bit set stands for a white pixel, otherwise a bit reset stands for black.
+
 
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For example:
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<pre>
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0xC3:8 pixels □□■■■■□□
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0x00:8 pixels ■■■■■■■■
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0xFF:8 pixels □□□□□□□□
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0x66:8 pixels ■□□■■□□■
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</pre>
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* This module doesn’t support partial refresh.
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* The refresh rate of this module is slow, and it will flicker for several times during refreshing. Please be patient.
+
-->
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<div class="tabbertab" title="Resources">
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== Resources ==
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= Documentation =
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*[https://www.waveshare.com/w/upload/2/20/4.2inch-e-paper-module-user-manual-en.pdf User Manual]
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{{Commom Instruction of SPI e-paper}}
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* [[:File:4.2inch_e-Paper_Schematic.pdf|Schematic]]
+
 
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= Demo code =
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* [[:File:4.2inch_e-paper_module_code.7z|Demo code]]
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*[https://github.com/waveshare/e-Paper Github]
+
 
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= Datasheets =
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* [[:File:4.2inch-e-paper-specification.pdf|Datasheets]]
+
 
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=Related Resources=
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This is a post in Arduino Form about our SPI e-Paper thanks to ZinggJM, maybe you want to refer to.
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*[https://forum.arduino.cc/index.php?topic=487007.0 Waveshare e-Paper display with SPI]
+
</div>
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<div class="tabbertab" title="FAQ">
+
= FAQ =
+
<!--{{e-Paper FAQ}}-->
+
{{e-Paper FAQ}}
+
</div>
+
 
==Support==
 
==Support==
 
{{Service00}}
 
{{Service00}}

Revision as of 03:23, 2 December 2019

4.2inch e-Paper
4.2inch-e-Paper-1.jpg

400x300, 4.2inch E-Ink display raw panel
4.2inch e-Paper Module
4.2inch-e-paper-module-5.jpg

400x300, 4.2inch E-Ink display module, SPI interface
{{{name3}}}

{{{name4}}}

{{{name5}}}

Primary Attribute
Category: OLEDs / LCDs, LCD
{{{userDefinedInfo}}}: {{{userdefinedvalue}}}
Brand: Waveshare
Website
English: Waveshare website
Chinese: 官方中文站点
Onboard Interfaces
SPI
Related Products

Instruction

This is an NFC-powered 4.2inch e-Paper Module, with 400x300 resolution. Users can transmit data from smart phone or NFC reader to e-Papre and refresh by NFC.

Features

  • No backlight required, e-Paper keep displaying the last content for a long time without power
  • No power adapter requried
  • You can modify the display content by smart phone
  • Compe with ABS case
  • App is provided

Specification

  • Power: NFC-powered
  • Resolution: 400x300
  • Dot pitch: 0x212x 0x212
  • Refresh time: 4s
  • Display color: black, white
  • Viewing angle: >170°
  • Outline dimension: 105.0mm x 94.1mm, 9.90mm
  • Display dimension: 84.8mm x 63.6mm

User guide

我们提供手机APP。在微雪百科界面找到4.2inch NFC e-Paper Driver Board 资料界面,下载应用程序APP并安装在手机,支持安卓Android4.0(Ice Cream Sandwich)以上版本。

APP使用步骤

使用APP的步骤是:

  • 点击下发的图片按钮设置图片,(图片可以是你手机相册里面的图片,也可以是使用摄像机拍照,注意,这里需要相机权限)
4.2inch NFC-Powered epaper manual-1.png 4.2inch NFC-Powered epaper manual-2.png
除了相机和拍照外,你还可以手动编辑文字图片
4.2inch NFC-Powered epaper manual-3.png4.2inch NFC-Powered epaper manual-4.png4.2inch NFC-Powered epaper manual-5.png
  • 选择图片之后可以对图片进行裁剪,调整大小和旋转图像,为了更好的刷新效果,建议您预先根绝墨水屏参数设置好图片的大小以及各式。
4.2inch NFC-Powered epaper manual-7.png4.2inch NFC-Powered epaper manual-8.png4.2inch NFC-Powered epaper manual-9.png
  • 在主页面,你可以选择图像处理方式(纯黑白、灰阶化、模块化、素描化、霓虹化)
  • 在主页面,还可以点击左下角的调整按钮调整图像的亮度和对比度。 点击右下角的加号图标可以对图片进行颜色取反,方向,图片上下或左右颠倒的设置
4.2inch NFC-Powered epaper manual-10.png4.2inch NFC-Powered epaper manual-11.png4.2inch NFC-Powered epaper manual-12.png
  • 再设置好了之后,将手机的NFC天线区域贴近4.2inch NFC-Powered e-Paper背面的天线区域。APP会感应墨水屏并自动进行数据传输和刷新操作

【注意】使用前先确保手机NFC已经开启,在数据传输和刷新的过程中,请不要移动手机。

4.2inch NFC-Powered epaper manual-13.png4.2inch NFC-Powered epaper manual-14.png4.2inch NFC-Powered epaper manual-15.png
  • 额外功能
你还可以对图片进行涂鸦。点击右上角的...图标,选择相册,然后选择一张图片进入涂鸦模式。
4.2inch NFC-Powered epaper manual-16.png

Resources

Support

Please contact us by Email/Skype/WeChat for technology support.Our response may be delay, you can just leave your questions, we will reply to you as soon as possible in working time.

Service email.png [email protected]
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Service time.png 09:00 - 18:00 (UTC+8 Monday to Staturday)