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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 />
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== Summary ==<br />
The ETH/USB HUB HAT adds one RJ45 Ethernet port and three extra USB ports to a Raspberry Pi through the board's USB interface.<br />
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== Related products at JW Tech ==<br />
* [https://shop.jw-tech.eu/p/WSAL16595 WSAL16595 – Ethernet / USB HUB HAT for Raspberry Pi, 1x RJ45, 3x USB]<br />
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== Technical overview ==<br />
* Connection: Insert the HAT into the Raspberry Pi GPIO header; connect its USB connector to a USB port on the Pi with a micro-USB cable.<br />
* Interfaces: 1x RJ45 (ETH), 3x USB (USB1–USB3), plus a USB connector for linking to the Raspberry Pi.<br />
* Indicators: PWR LED lights when the Pi is powered on; ACT blinks during network activity; D1–D3 light up when devices are connected to USB1–USB3.<br />
* Network connection: Connect a network cable to the RJ45 port; the Ethernet interface then appears in the system.<br />
* USB devices: External USB devices can be plugged into USB1 through USB3.<br />
* Resources: Schematic, 3D drawing, and box assembly guide are available as files.<br />
* Compatibility note: Works with Raspberry Pi models that have a free USB port; specific model details are not specified.<br />
* Wiring: No additional cabling needed except the micro-USB cable between Pi and HAT.<br />
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'''Commands and examples – verify before use:''' <br />
<syntaxhighlight lang="text"><br />
dtoverlay=dwc2,dr_mode host<br />
</syntaxhighlight><br />
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== Notes and version constraints ==<br />
* CM4: USB 2.0 is disabled by default; add `dtoverlay=dwc2,dr_mode host` to config.txt to enable it.<br />
* Raspberry Pi Zero: If the USB port is configured as a wireless network card, the USB hub will not be recognized.<br />
* Ethernet at USB boot: Some chips have dual functions and act as a virtual CD-ROM during reset, causing loss of Ethernet recognition; a driver switch may be needed.<br />
* USB troubleshooting: Check for poor contact at the USB connector; connect the hub directly to a computer to test recognition.<br />
* No information on supported Raspberry Pi models, power consumption, or warranty in the source document.<br />
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== Source and revision record ==<br />
* [https://www.waveshare.com/wiki/ETH/USB_HUB_HAT ETH/USB HUB HAT - Waveshare Wiki]<br />
* Source revision: 111122<br />
* Captured: 2026-08-31T03:43:39+00:00<br />
* SHA-256: <code>30b237e38bcfbaefad978560990a95e407ba6c949a1b8de0f768303f76d357cb</code></div>JWTechPublisher