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WSAL11750 – 10.1inch HDMI LCD (B) (with case)/en

Aus JW Tech Wiki

Documentation notice: This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.

Summary

The Waveshare 10.1-inch IPS LCD (B) provides a native resolution of 1280×800, 10-point capacitive touch, and connects via HDMI plus USB for the touch input. It can be used both as a PC monitor (Windows) and as a display for Raspberry Pi (Raspberry Pi OS, Ubuntu, Kali, Retropie).

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Technical overview

  • Display type: 10.1-inch IPS panel, native resolution 1280×800
  • Touch input: 10-point capacitive, toughened glass rated up to 6H hardness
  • Device interfaces: HDMI for video, USB for the touch input, and a Power Only connector for 5 V supply
  • PC use: supports Windows 11/10/8.1/8/7; connect the power cable first, then the HDMI cable; when multiple monitors are attached, set this LCD as the primary display
  • Raspberry Pi use: supports Raspberry Pi OS, Ubuntu, Kali, and Retropie; flash the system image onto an SD card and extend config.txt
  • EDID timing values (if not auto-detected): pixel clock 75.00 MHz, H addressable 1280, H blanking 128, V addressable 800, V blanking 45, H front porch 40, H sync width 48, V front porch 13, V sync width 3
  • Power draw: about 750 mA with backlight on, about 300 mA with backlight off at 5 V
  • Enclosure: the “with case” variant ships pre-assembled; mounting bracket installable per the wiki instructions

Commands and examples – verify before use:  

hdmi_group=2
hdmi_mode=87
hdmi_cvt 1280 800 60 6 0 0 0
hdmi_drive=1
wget https://files.waveshare.com/wiki/common/Brightness-HDMI.zip
unzip Brightness-HDMI.zip
cd Brightness-HDMI
sudo chmod +x install.sh
./install.sh
wget https://files.waveshare.com/wiki/common/Raspios-bookworm-7HP-Backlight.zip
unzip Raspios-bookworm-7HP-Backlight.zip
cd 32
#cd 64
sudo chmod +x 7H_Backlight
gpioc -g pwm 18 0
gpioc -g mode 18 pwm
gpioc pwmc 1000
gpioc -g pwm 18 X   # X in [0..1024]; 0 = brightest, 1024 = darkest

Notes and version constraints

  • PWM backlight control requires removing a resistor on the board; the source states that unauthorized hardware modification is generally not recommended because it may void the warranty.
  • Only the Rev4.1 revision supports USB-based backlight adjustment; the method will not work on other revisions.
  • When multiple displays are connected, the LCD controls the cursor only on the primary display – set this LCD as the primary display.
  • Black shadows along the edges can be caused by the hdmi_drive setting; comment out the option and wait several minutes for the picture to fully recover.
  • The listed backlight scripts are version-specific (Bullseye vs. Bookworm); verify the running OS version before executing them.
  • The commands above were taken from supplier material; validate version compatibility on your own system before use.

Source and revision record

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