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WSAL19905 – 10.1HP-CAPQLED/en

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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

Technical overview of the Waveshare 10.1-inch QLED quantum-dot display (WSAL19905/WSAL20135) with 1280×720 resolution, capacitive touch, and connection to a PC, Raspberry Pi, or Jetson Nano.

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Technical overview

  • QLED quantum-dot panel offering a wider color gamut and longer lifetime compared to conventional LCDs.
  • Hardware resolution 1280×720; software resolution up to 1920×1080 is supported.
  • 10-point capacitive touchscreen; toughened G+G glass (case version only, 6H hardness).
  • Connects via HDMI (video/audio) and USB (touch); includes a 3.5 mm jack for audio output.
  • Supported systems: Windows 11/10/8.1/8/7 as a monitor; Raspberry Pi OS, Ubuntu, Kali, and Retropie on Raspberry Pi; Ubuntu on Jetson Nano.
  • When used with a Raspberry Pi, the resolution must be set manually in /boot/config.txt; without these settings the display stays dark.
  • When several monitors are connected at once, configure this LCD as the primary display, because only the primary display can control the cursor.
  • Some PCs do not support HDMI hot-plug; restarting the PC can resolve this issue.
  • Multi-language OSD menu for power management, brightness, and contrast adjustment.
  • Display refresh rate is 60 Hz.

Commands and examples – verify before use:  

hdmi_group=2
hdmi_mode=87
hdmi_timings=1280 0 160 32 48 720 0 10 10 12 0 0 0 60 0 77000000 3
disable_splash=1
wget https://files.waveshare.com/upload/1/18/Evdev-right-click-emulation.zip
unzip Evdev-right-click-emulation.zip
cd evdev-right-click-emulation
sudo apt install build-essential libevdev2 libevdev-dev
sudo cp 'out/evdev-rce' '/usr/local/bin/'
sudo chmod +x '/usr/local/bin/evdev-rce'
sudo evdev-rce
sudo usermod -G 'input' -a pi
echo 'uinput' | sudo tee -a /etc/modules
KERNEL=="uinput", MODE="0660", GROUP="input"
sudo udevadm control --reload-rules
sudo udevadm trigger
sudo reboot
evdev-rce

Notes and version constraints

  • Exact electrical values (power consumption, voltage tolerances) are not provided in the source and must be confirmed with the manufacturer before operation.
  • The PWM backlight adjustment method requires soldering a signal to a specific pad location; this is a hardware-level modification and should only be performed by experienced technicians.
  • According to the source, the long-press/right-click emulation supports only 32-bit Raspberry Pi systems by default; it does not work on 64-bit systems without additional modifications.
  • Compatibility with game consoles (Xbox 360, PS4, Switch) is claimed, but no specific settings or limitations are documented; practical testing is recommended.
  • The statement about "longer lifetime" for the QLED panel is a general claim; concrete lifetime figures are missing from the source.

Source and revision record

  • 10.1HP-CAPQLED - Waveshare Wiki
  • Source revision: 109527
  • Captured: 2026-09-02T03:03:16+00:00
  • SHA-256: 26eeaa79c6dd073b9aa1dc62bab71fdaa42bca7f67b755f36ba6e1ea9a533793
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