https://wiki.jw-tech.eu/index.php?action=history&feed=atom&title=WSAL22224_%E2%80%93_1.47inch_LCD_Module%2Fen 2026-10-23T21:58:52Z Versionsgeschichte dieser Seite in JW Tech Wiki MediaWiki 1.43.9 https://wiki.jw-tech.eu/index.php?title=WSAL22224_%E2%80%93_1.47inch_LCD_Module/en&diff=2538&oldid=prev 2026-09-06T06:06:44Z

<p>Freigegebene technische Dokumentation veröffentlicht; Text-only und noindex</p> <p><b>Neue Seite</b></p><div>__NOINDEX__<br /> &#039;&#039;&#039;Documentation notice:&#039;&#039;&#039; 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 /> Technical guide for the 1.47-inch LCD module with ST7789V3 controller, SPI connection and examples for Raspberry Pi, STM32 and Arduino.<br /> <br /> == Related products at JW Tech ==<br /> * [https://shop.jw-tech.eu/p/WSAL22224 WSAL22224 – 1.47inch LCD Display Module, Rounded Corners, 172x320 Resolution, SPI Interface]<br /> <br /> == Technical overview ==<br /> * Resolution: 172 x 320 pixels; IPS type<br /> * Supply voltage: 3.3 V or 5 V; supply and logic voltages must match<br /> * Interface: 4-wire SPI; ST7789V3 supports RGB444/RGB565/RGB666 color formats<br /> * Connection to Raspberry Pi via PH2.0 8-pin cable per pin mapping table<br /> * Example programming for STM32F103RBT6 with provided pin mapping<br /> * Arduino UNO pin mapping available<br /> * SPI mode 0 (CPHA=0, CPOL=0) is commonly used<br /> * Python demos run without additional library installation on Bookworm<br /> <br /> &#039;&#039;&#039;Commands and examples – verify before use:&#039;&#039;&#039; <br /> &lt;syntaxhighlight lang=&quot;text&quot;&gt;<br /> sudo raspi-config<br /> sudo reboot<br /> sudo ./main 1.47<br /> sudo python3 1inch47_LCD_test.py<br /> &lt;/syntaxhighlight&gt;<br /> <br /> == Notes and version constraints ==<br /> * Pin mappings are device-specific; adapt them for other boards<br /> * The FBCP porting replaces /boot/config.txt and /etc/rc.local - back them up first<br /> * Version-sensitive steps: BCM2835/wiringPi are unavailable on Bookworm, only lgpio<br /> * Maximum brightness 380 cd/m² and current draw 47 mA apply at 3.3 V only<br /> <br /> == Source and revision record ==<br /> * [https://www.waveshare.com/wiki/1.47inch_LCD_Module 1.47inch LCD Module - Waveshare Wiki]<br /> * Source revision: 100991<br /> * Captured: 2026-09-03T03:44:10+00:00<br /> * SHA-256: &lt;code&gt;f70c35f262654c61f8434998cfe8081336170bcd95a58ae1372272f0bb38525a&lt;/code&gt;</div>

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