Waveshare 7inch HDMI LCD User manual
7inch HDMI LCD (B)
7inch HDMI LCD (B)
User Manual
7inch HDMI LCD (B)
CONTENT
Overvire ........................................................................................................................................................ 3
Features................................................................................................................................................ 3
How to Use.................................................................................................................................................. 4
Working with PC ............................................................................................................................... 4
Tablet PC Settings .................................................................................................................... 4
Workign with Raspberry Pi............................................................................................................ 8
Rotation ....................................................................................................................................... 8
7inch HDMI LCD (B)
OVERVIRE
7inch HDMI LCD (B) has 800x480 resolution, capacitive touch control, HDMI display
supports various systems.
FEATURES
⚫800×480 high resolution
⚫Capacitive touch control
⚫Supports popular mini-PCs like Raspberry Pi, BB Black, etc.
⚫When working with Raspberry Pi, supports Raspbian, Ubuntu, WIN10 IoT, single
touch, and driver free
⚫When working with other mini-PCs, driver is required and should be developed by
users
⚫Not only for mini-PCs, it can work as a computer monitor just like any other
general HDMI screen
⚫When works as a computer monitor, supports Windows 10/8.1/8/7, five-points
touch, and driver free
⚫Backlight can be turned off to lower power consumption
7inch HDMI LCD (B)
HOW TO USE
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 5 points. For some Window 7 OS, the touch
screen supports single touch only.
1. Turn on the "backlight" switch
2. Connect the LCD to your PC
- USB Port of LCD connect to USB Port of PC;
- HDMI Port of LCD connect to 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.
TABLET PC SETTINGS
As we know, 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 touch LCD as
the main display. In Windows 10, there is Tablet PC Settings allow you to set
touchscreen to control other displays instead of main display. Here we use Waveshare
7inch HDMI LCD (C) as example to show you how to do this setting.
1. Connect your touchscreen as Hardware Connection.
7inch HDMI LCD (B)
2. Open Control Panel and search Tablet PC Setting, then open this tool. Note that if
you didn’t connect touchscreen first, this tool couldn’t be searched.
3. Click button “Setup…” to begin setting
7inch HDMI LCD (B)
4. To this step, you can find there is prompt on your first screen with white
background color.
5. Press “Enter” on keyboard, this operation work as tell the PC this screen is not
the touchscreen I want to control. Then, you can find that the prompt has turn to
7inch HDMI LCD (B)
the second display (the one we want the touch controls)
6. Touch the center of touchscreen, to set this display as touchscreen. If there are
only two displays, after touch, the setting will finish, and you can find that
touchscreen controls itself now.
【Note】This method can be used to make touchscreens control different displays if
there are multiple touchscreen connected.
7inch HDMI LCD (B)
WORKIGN WITH RASPBERRY PI
When working with Raspberry Pi, you should set the resolution of the LCD
manually, or else the LCD screen will not work. For more detail information, please
read the following section.
1. Turn on the "backlight" switch
2. Connect the LCD to your Pi
-HDMI Port of LCD -> HDMI Port of Pi;
-USB Port of LCD -> USB Port of Pi;
3. Download the Raspbian image from Raspberry Pi web site.
4. Write the image to a TF card
5. Append the following lines to the config.txt file which is located in the root of
your TF card:
max_usb_current=1
hdmi_group=2
hdmi_mode=87
hdmi_cvt 800 480 60 6 0 0 0
hdmi_drive=1
6. Save and connect the TF card to your Pi then power up.
ROTATION
Display Rotating
1. To rotating the display, you can append this statement to the config file
7inch HDMI LCD (B)
display_rotate=1 #1: 90; 2: 180; 3: 270
2. Reboot the Raspberry Pi
sudo reboot
Touch Rotating
Note: To rotate the touch, you can re-compile the kernel as well. There is an example
for reference (use 7inch HDMI LCD (C).)
⚫Re-Compilation Method
Another way, you can set the libinput.
1. Install libinput
sudo apt-get install xserver-xorg-input-libinput
2. create an xorg.conf.d folder
sudo mkdir /etc/X11/xorg.conf.d
3. copy file 40-libinput-conf to the folder which we created
sudo cp /usr/share/X11/xorg.conf.d/40-libinput.conf /etc/X11/xorg.conf.d/
4. Append a statement to touchscreen part of the file as below:
sudo nano /etc/X11/xorg.conf.d/40-libinput.conf
7inch HDMI LCD (B)
5. save and reboot your Pi
sudo reboot
After completing these steps. The LCD could rotate 90 degree both display and touch.
【Note】
90 degree: Option "CalibrationMatrix" "0 1 0 -1 0 1 0 0 1"
180 degree: Option "CalibrationMatrix" "-1 0 1 0 -1 1 0 0 1"
270 degree: Option "CalibrationMatrix" "0 -1 1 1 0 0 0 0 1"
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