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	<title>WSAL22505 – 1.64inch e-Paper Module (G)/en - Versionsgeschichte</title>
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&lt;p&gt;&lt;b&gt;Neue Seite&lt;/b&gt;&lt;/p&gt;&lt;div&gt;__NOINDEX__&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Documentation notice:&amp;#039;&amp;#039;&amp;#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.&lt;br /&gt;
&lt;br /&gt;
== Summary ==&lt;br /&gt;
The 1.64-inch square e-Paper module (G) provides a 168 × 168 pixel resolution and displays in red, yellow, black and white. It connects via SPI and can be driven by Raspberry Pi, Arduino, Jetson Nano, RDK X3 and STM32.&lt;br /&gt;
&lt;br /&gt;
== Related products at JW Tech ==&lt;br /&gt;
* [https://shop.jw-tech.eu/p/WSAL22505 WSAL22505 – 1.64inch square E-Paper (G) raw display, 168 × 168, Red/Yellow/Black/White]&lt;br /&gt;
* [https://shop.jw-tech.eu/p/WSAL22755 WSAL22755 – 1.64inch square E-Paper Module (G), 168 × 168, Red/Yellow/Black/White]&lt;br /&gt;
&lt;br /&gt;
== Technical overview ==&lt;br /&gt;
* Resolution: 168 × 168 pixels on a 1.64-inch diagonal.&lt;br /&gt;
* Color palette: red, yellow, black, white (4-color display).&lt;br /&gt;
* Interface: SPI connection for driving the panel from microcontrollers or SBCs.&lt;br /&gt;
* Supported platforms: Raspberry Pi (C/Python), Arduino UNO R3 (C), Jetson Nano (C/Python), RDK X3 (Python), STM32 (STM32CubeMX demo).&lt;br /&gt;
* Available demos: C and Python examples per target platform; plus docs, demos and datasheets in the resources section.&lt;br /&gt;
* The module is available as a raw display (WSAL22505) and as a complete module (WSAL22755).&lt;br /&gt;
* Connection uses the standard SPI pins of the respective board; see each demo guide for exact pinout.&lt;br /&gt;
* For STM32 use, a CubeMX-based example is provided.&lt;br /&gt;
* The FAQ page answers common questions about e-paper technology and operation.&lt;br /&gt;
* All guides cover parameters, operating principle and handling precautions.&lt;br /&gt;
&lt;br /&gt;
== Notes and version constraints ==&lt;br /&gt;
* No explicit commands or shell instructions are present in the source documentation.&lt;br /&gt;
* Exact SPI pin wiring depends on the specific board used; without concrete pin mapping from the source, a complete wiring guide cannot be given.&lt;br /&gt;
* Version sensitivity: The demos reference specific firmware/library versions; verify current versions before implementation.&lt;br /&gt;
* No information on supply voltage, maximum power consumption or warranty terms was included in the supplied source.&lt;br /&gt;
* When in doubt about compatibility or safety aspects, consult the manufacturer directly.&lt;br /&gt;
&lt;br /&gt;
== Source and revision record ==&lt;br /&gt;
* [https://www.waveshare.com/wiki/1.64inch_e-Paper_Module_(G) 1.64inch e-Paper Module (G) - Waveshare Wiki]&lt;br /&gt;
* Source revision: 103779&lt;br /&gt;
* Captured: 2026-09-03T04:04:28+00:00&lt;br /&gt;
* SHA-256: &amp;lt;code&amp;gt;b2ad55ea10534f2305b7953b6fd2b1a1d12f1b5703f9b0ad6638387ec4f8cc8d&amp;lt;/code&amp;gt;&lt;/div&gt;</summary>
		<author><name>JWTechPublisher</name></author>
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