Difference between revisions of "7inch HDMI LCD (B)"

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{{Touch Setting on Win 10 PC}}
 
{{Touch Setting on Win 10 PC}}
  
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== Working with Raspberry Pi ==
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==='''Working with Raspberry Pi'''===
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For the Windows OS on PC, the resolution of the LCD is automatically identified. Hence, you do not need to make the relative settings. When working with Raspberry Pi, you should set the resolution of the LCD by yourself, or else the LCD screen will not work. For more detail information, please read the following section.
 
  
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Turn on the "backlight" switch then connect the LCD to your Pi (HDMI Port of LCD -> HDMI Port of Pi; USB Port of LCD -> USB Port of Pi; 5V~2A power supply). Download the Raspbian image from [https://www.raspberrypi.org/downloads/ Raspberry Pi web site]. Write the image to a TF card and append the following lines to the config.txt file which is located in the root of your TF card:
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This LCD can support Raspbian / Ubuntu / Kali / Retropie and WIN10 IoT systems. When the LCD works on systems such as Raspberry Pi, the resolution must be set manually, otherwise, it will cause abnormal display. There is no such problem when the LCD works on the PC version of Windows.
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<pre>
 
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max_usb_current=1
 
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hdmi_group=2
 
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hdmi_mode=87
 
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hdmi_cvt 800 480 60 6 0 0 0
 
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hdmi_drive=1
 
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</pre>
 
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<font color=red>If you use the LCD with Raspberry Pi 4B, you need to remove line dtoverlay=vc4-fkms-V3D from config.txt file</font>
 
  
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You must make sure that there are no spaces on either side of the equal sign.
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Please download the latest version of the image on the [https://www.raspberrypi.org/downloads/ Raspberry Pi official website.]
  
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Save and connect the TF card to your Pi then power up.
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1) Download the compressed file to the PC, and unzip it to get the .img file.
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2) Connect the TF card to the PC, use SDFormatter.exe software to format the TF card.
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3) Open the Win32DiskImager.exe software, select the system image downloaded in step 1, and click‘Write’ to write the system image.
 +
 
 +
4) After the image has finished writing, open the config.txt file in the root directory of the TF card, add the following code at the end of config.txt, then save and quit the TF card safely.
 +
max_usb_current=1
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hdmi_group=2
 +
hdmi_mode=87
 +
hdmi_cvt 1024 600 60 6 0 0 0
 +
hdmi_drive=1
 +
5) Insert the TF card into the Raspberry Pi
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6) Turn on the backlight switch on the back of the LCD.
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7) Connect the Touch interface of the LCD to the USB interface of the Raspberry Pi.
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8) Connect the HDMI interface of the LCD to the HDMI interface of the Raspberry Pi,  power on the Raspberry Pi,  and wait for a few seconds until the LCD displays normally.
  
 
(Touch input working well means that the LED firmware is Rev2.1. If the LCD firmware is 1.1, see [[#About LCD revision]])
 
(Touch input working well means that the LED firmware is Rev2.1. If the LCD firmware is 1.1, see [[#About LCD revision]])

Revision as of 07:41, 27 July 2020

7inch HDMI LCD (B)
7inch HDMI LCD (B)
7inch HDMI LCD (B)(with bicolor case)

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Introduction

7 inch Capacitive Touch Screen LCD, HDMI interface, with a resolution of 800×480and a capacitive touch panel, which supports Raspberry Pi and can also be used as a computer monitor.

More

Features

  • 800×480 hardware resolution.
  • Capacitive touch control.
  • Using with Raspberry Pi, it supports Raspbian / Ubuntu / Kali / Retropie and WIN10 IoT, no need to install any drivers.
  • Using as a computer monitor, it supports Windows 10 / 8.1 / 8 / 7, five-point touch, no need to install any drivers.
  • Support backlight control, more power saving.

Working with PC

This product supports Windows 10/8.1/8/7 OS. For the Windows 10/8.1/8 OS, the touch screen supports multi-touch up to 10 points. For some Window 7 OS, the touch screen supports single touch only.

Turn on the "backlight" switch then connect the LCD to your PC (USB Port of LCD -> USB Port of PC; HDMI Port of LCD -> HDMI Port of PC. Please first connect the USB Ports then connect the HDMI Port). A new touch drive will be recognized by Windows and you can use the LCD as a human interface device. When multiple displays are detected by your PC, the LCD can only be used to control the cursor on main display. So it is proposed to set the LCD as the main display.

Calibration touch on Win 10 PC

Take the windows10 system as an example:

  • 1. Enter the Windows settings of the system, type in the search bar and click "Calibrate the screen for pen or touch input" (as shown in the picture below).

Win10 touch011.png

Win10 touch02.png
  • 2. Click "Setup" in the pop-up "Tablet PC Settings" interface:


  • 3. The following text prompt will appear on the screen. Please tap the touch screen with your finger, and the computer will recognize it as a touch screen.

【Note】If the touch screen is blank, press the "Enter" key, and the text prompt will switch to the touch screen. (The screen which displays the text prompt will be used as a touch screen!)

Win10 touch03.png

Working with Raspberry Pi

This LCD can support Raspbian / Ubuntu / Kali / Retropie and WIN10 IoT systems. When the LCD works on systems such as Raspberry Pi, the resolution must be set manually, otherwise, it will cause abnormal display. There is no such problem when the LCD works on the PC version of Windows.

Please download the latest version of the image on the Raspberry Pi official website.

1) Download the compressed file to the PC, and unzip it to get the .img file.

2) Connect the TF card to the PC, use SDFormatter.exe software to format the TF card.

3) Open the Win32DiskImager.exe software, select the system image downloaded in step 1, and click‘Write’ to write the system image.

4) After the image has finished writing, open the config.txt file in the root directory of the TF card, add the following code at the end of config.txt, then save and quit the TF card safely. 

max_usb_current=1
hdmi_group=2
hdmi_mode=87
hdmi_cvt 1024 600 60 6 0 0 0
hdmi_drive=1

5) Insert the TF card into the Raspberry Pi

6) Turn on the backlight switch on the back of the LCD.

7) Connect the Touch interface of the LCD to the USB interface of the Raspberry Pi.

8) Connect the HDMI interface of the LCD to the HDMI interface of the Raspberry Pi, power on the Raspberry Pi, and wait for a few seconds until the LCD displays normally.

(Touch input working well means that the LED firmware is Rev2.1. If the LCD firmware is 1.1, see #About LCD revision)

Note: Resolution of Ubuntu Mate OS or Windows 10 IoT Core OS can also be set properly by editing config.txt.


Resources

Backlight Control

Note: We don't recommend you to do any hardware modification, which may damage LCD if you are not good at it. So be careful when you following this manual

3D Drawings

LCD Panel Dimension

External guides

Anti-Piracy

Since the first-generation Raspberry Pi released, Waveshare has been working on designing, developing, and producing various fantastic touch LCDs for the Pi. Unfortunately, there are quite a few pirated/knock-off products in the market. They're usually some poor copies of our early hardware revisions, and comes with none support service.

To avoid becoming a victim of pirated products, please pay attention to the following features when purchasing:

RPi-LCD-Anti-Piracy.jpg

(Click to enlarge)

Beware of knock-offs

Please note that we've found some poor copies of this item in the market. They are usually made of inferior materials and shipped without any testing.

You might be wondering if the one you're watching or you've purchased in other non-official stores is original, feel free to contact us.

Support

Support

If you require technical support, please go to the Support page and open a ticket.

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