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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 />
The Waveshare adapter allows a Raspberry Pi Zero or Zero 2W to be used in place of a Raspberry Pi 3 Model B/B+. It provides four USB ports, a Gigabit Ethernet port and an HDMI port, and its GPIO headers are compatible with 3B-series expansion boards.<br />
<br />
== Related products at JW Tech ==<br />
* [https://shop.jw-tech.eu/p/WSAL22382 WSAL22382 – Raspberry Pi Zero To 3B Adapter, Alternative Solution for Raspberry Pi 3 Model B/B+]<br />
<br />
== Technical overview ==<br />
* Supports Raspberry Pi Zero and Zero 2W as an alternative to Pi 3 Model B/B+<br />
* Four USB 2.0/1.1 channels for peripherals<br />
* Gigabit Ethernet via RTL8152B chip with one RJ45 port (10/100 M adaptive)<br />
* GPIO header on the Zero board; position matches the physical height of the 3B series, so 3B expansion boards fit directly<br />
* USB switch: switching to 'USB' connects the Ethernet and USB-A ports to the PWR/USB input; switching to 'Zero' connects them to the Zero board<br />
* HDMI port available for video output<br />
* Adapter dimensions are documented under 'Dimensions' in the wiki<br />
* Schematic and official Raspberry Pi documents are available in the Resources section<br />
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'''Commands and examples – verify before use:''' <br />
<syntaxhighlight lang="text"><br />
sudo nano /etc/usb_modeswitch.d/0bda:8151<br />
# Realtek RTL8151<br />
TargetVendor=0x0bda<br />
TargetProduct=8152<br />
MessageContent="555342430860d9a9c0000000800006e0000000000000000000000000"<br />
sudo nano /etc/udev/rules.d/40-usb_modeswitch.rules<br />
# Custom usb_modeswitch rules<br />
ATTR{idVendor}=="0bda", ATTR{idProduct}=="8151", RUN+="usb_modeswitch '/%k'"<br />
echo "dtoverlay=dwc2,dr_mode=host<br />
</syntaxhighlight><br />
<br />
== Notes and version constraints ==<br />
* Ethernet may not be recognized when booting from USB because the chip can act as a virtual CD-ROM on reset – fix via usb_modeswitch configuration<br />
* With Zero 2W: mouse/keyboard unresponsive after switching to 'Zero' due to different USB interface – add dtoverlay=dwc2,dr_mode=host to /boot/config.txt<br />
* Verify exact dimensions and compatibility with specific expansion boards before purchase<br />
* Commands listed assume a Linux system with root access<br />
* Version-sensitive steps (kernel/driver versions) may require manual confirmation<br />
<br />
== Source and revision record ==<br />
* [https://www.waveshare.com/wiki/Zero-to-Pi3-Adapter_(A) Zero-to-Pi3-Adapter (A) - Waveshare Wiki]<br />
* Source revision: 110668<br />
* Captured: 2026-09-03T03:55:52+00:00<br />
* SHA-256: <code>7b16ab7b1d27e87d16352497234b673a261bbf7a32b3a5ace97e406628c8ae5c</code></div>JWTechPublisher