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WSAL10207 – 4inch RPi LCD (A)/en - Versionsgeschichte
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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.<br />
<br />
== Summary ==<br />
Quick overview of the 4-inch resistive touch display for Raspberry Pi, covering hardware connection, driver installation and calibration.<br />
<br />
== Related products at JW Tech ==<br />
* [https://shop.jw-tech.eu/p/WSAL10207 WSAL10207 – 4inch Resistive Touch Display (A) for Raspberry Pi, 480 × 320, SPI Interface]<br />
<br />
== Technical overview ==<br />
* Resolution: 480 × 320 pixels<br />
* Resistive touch control<br />
* Compatible with all Raspberry Pi versions (plugs directly into the 40-pin header)<br />
* Connection via a 26-pin connector on the display<br />
* Driver installed by cloning the 'LCD-show' repo and running './LCD4-show'<br />
* Screen rotation configurable via './LCD4-show X' (X = 0, 90, 180 or 270)<br />
* Touch calibration using the 'xinput-calibrator' tool<br />
* Optional virtual keyboard via 'matchbox-keyboard'<br />
<br />
'''Commands and examples – verify before use:''' <br />
<syntaxhighlight lang="text"><br />
git clone https://github.com/waveshare/LCD-show.git<br />
cd LCD-show/<br />
chmod +x LCD4-show<br />
./LCD4-show<br />
sudo ./LCD4-show X<br />
sudo apt-get install xinput-calibrator<br />
sudo apt-get install matchbox-keyboard<br />
</syntaxhighlight><br />
<br />
== Notes and version constraints ==<br />
* Compatibility with newer Bookworm images requires manual configuration; refer to the user manual for details.<br />
* Running 'apt-get upgrade' may break LCD functionality; remove 'dtoverlay=ads7846' from config.txt if needed.<br />
* Network connection is required to install drivers and calibration tools.<br />
* Exact power consumption and operating temperature are not clearly stated in the provided text – verify against manufacturer specifications.<br />
<br />
== Source and revision record ==<br />
* [https://www.waveshare.com/wiki/4inch_RPi_LCD_(A) 4inch RPi LCD (A) - Waveshare Wiki]<br />
* Source revision: 102062<br />
* Captured: 2026-08-29T09:58:07+00:00<br />
* SHA-256: <code>8fe59da8514fd97ad58e26ea8871c885b7502f87e8b9e6d92949794c9c0ef59e</code></div>
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