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2026-09-06T07:59:31Z

Freigegebene technische Dokumentation veröffentlicht; Text-only und noindex

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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 ==
The 10.4HP-CAPQLED is a 10.4-inch QLED Quantum Dot display with capacitive touch (1600×720). It connects via HDMI and USB and is powered through 5V Type-C. Supported hosts include Raspberry Pi (OS/Ubuntu/Kali/RetroPie) and Windows 11/10/8.1/8/7 as a PC monitor.

== Related products at JW Tech ==
* [https://shop.jw-tech.eu/p/WSAL24593 WSAL24593 – 10.4inch QLED Quantum Dot Display, Capacitive Touch, High Brightness, 1600×720, Optical Bonding Toughened Glass Panel, HDMI Interface]
* [https://shop.jw-tech.eu/p/WSAL24646 WSAL24646 – 10.4inch QLED Quantum Dot Display, Capacitive Touch, High Brightness, 1600×720, Optical Bonding Toughened Glass Panel, HDMI Interface]
* [https://shop.jw-tech.eu/p/WSAL24647 WSAL24647 – 10.4inch QLED Quantum Dot Display, Capacitive Touch, High Brightness, 1600×720, Optical Bonding Toughened Glass Panel, HDMI Interface]

== Technical overview ==
* Resolution of 1600×720 pixels at a 60 Hz refresh rate.
* Capacitive touchscreen supporting 10-point multitouch on toughened glass rated up to 6H hardness.
* Optically bonded panel for improved display performance.
* HDMI interface for video/audio; USB connection for touch detection.
* 5V Type-C power input; nominal current about 850 mA (minimum 800 mA required).
* Color gamut 94% NTSC, maximum brightness 600 cd/m², contrast ratio 1000:1.
* Enclosure dimensions 260.00(H) × 120.00(V) × 1.45(D) mm; weight 337 g.
* Operating temperature range 0–60 °C; storage temperature −10–70 °C.
* Supported operating systems: Raspberry Pi OS, Ubuntu, Kali, RetroPie; Windows 11/10/8.1/8/7.
* Multilingual OSD menu for power control, brightness and contrast adjustment.

'''Commands and examples – verify before use:'''
<syntaxhighlight lang="text">
hdmi_group=2
hdmi_mode=87
hdmi_timings=1600 0 80 32 112 720 0 30 3 33 0 0 0 60 0 87000000 0
sudo apt-get install ddcutil -y
sudo ddcutil detect
sudo ddcutil setvcp 10 <value>
gpio -g pwm 18 0
gpio -g mode 18 pwm
gpio pwmc 1000
gpio -g pwm 18 X
</syntaxhighlight>

== Notes and version constraints ==
* On Raspberry Pi, the resolution must be set manually in config.txt; otherwise the display may show an incorrect resolution.
* Input current below 800 mA can cause start-up failure or display anomalies; prolonged abnormal operation may permanently damage the device.
* Input voltage outside the 4.75–5.25 V range can cause permanent damage.
* If USB power is insufficient the display flickers; connect an external 5V 1A adapter to the power port.
* EDID sequence parameters are only needed if the host does not auto-detect EDID; otherwise no manual timing setup is required.
* PWM backlight control requires removing a soldered resistor and wiring the lower pad to Raspberry Pi pin P1 – this step needs soldering/hardware knowledge.
* Some PCs only recognize the HDMI device properly after a reboot.
* Avoid long-term storage in high temperature and humidity to prevent display damage.

== Source and revision record ==
* [https://www.waveshare.com/wiki/10.4HP-CAPQLED 10.4HP-CAPQLED - Waveshare Wiki]
* Source revision: 111155
* Captured: 2026-09-05T02:31:55+00:00
* SHA-256: <code>41cd33a11b71ab5c7272f9deec16a583a3dbb30d19d1b1f5345575b8952153d7</code>

WSAL24593 – 10.4HP-CAPQLED/en - Versionsgeschichte

JWTechPublisher: Freigegebene technische Dokumentation veröffentlicht; Text-only und noindex