Raspberry Pi Stack Exchange
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Questions tagged [pi-zero-w-2]

For questions specific to the Pi-Zero W 2

87 questions
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How many (usable) serial ports does Pi Zero 2 W have?

The Raspberry Pi 1, 2, 3 and Pi Zero / Zero W all have two UARTs (PL011 + mini UART). The Raspberry Pi 4 and 400 have six UARTs (5 x PL011 + mini UART). This is from the official documentation. I have been unable to find information about the…
gray
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Are those pads on Raspberry pi Zero related to USB C or something?

I was playing with my RP Zero 2w and notice that it has some pads (check image, over yellow rectangles) for soldering some kind of connector like usb-c / Display Port/ HDMI or others. It has 2 big pads for ground (maybe for mounting the shield of…
luisfelipe18
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Wi-Fi range extension for Raspberry Pi Zero 2w

I am building a hobby glider that uses a Raspberry pi zero 2w as the companion computer. It is connected to a pixracer flight controller. I want to fly the glider outdoors and need to set up Wi-Fi telemetry for safety purposes and to…
RNG
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Connecting RPI Zero W2 to different Wi-Fi AP simultaneously or sequentially

I am trying to use a RPI Zero W2 to solve a problem I have with collecting files from an IoT device. Specifically, I don't know how to setup the Wi-Fi network(s). Any inputs to my questions would be appreciated. Existing Setup: IoT device acting as…
Sachin
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Is it safe to power Raspberry Pi Zero 2 W directly from computer?

A great feature of the Raspberry Pi Zero is that you can tether it to a PC, Mac or iPad Pro by connecting it directly to a USB port. It can act as a USB-Ethernet-adapter and you can ssh into the Pi. The original Pi Zero draws little power so the USB…
gray
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Same power source for Raspberry and servos?

I’m planning to build a small walking robot using a Raspberry Pi Zero 2 W. The robot will have 9 servo motors (9g SG90), controlled via a PCA9685 servo driver. Power is supplied via a battery pack with 5V/3A outputs. My question is: Do I need two…
stofl
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Turn off WiFi hardware (including transmitter) until next reboot

I'm using Raspberry Pi Zero 2W on an FPV quad controlled via ELRS working on the same frequency (2,4 GHZ) as WiFi. To reduce any possible interference I'd like to turn off WiFi on my Pi entirely until the next reboot. What is the most reliable way…
Sergey Tsypanov
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Streaming straight from libcamera-vid to RTMP on Pi Zero 2 W: FFmpeg not needed?

I was able to figure out all of my libcamera stream settings needed to stream video from my Camera Module 3 and audio from a USB microphone in my RPi Zero W 2 straight to YouTube, which is as follows: libcamera-vid -t 0 -g 10 --bitrate 4500000…
Patrick Hennessey
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Is it possible to do GPGPU processing on Zero 2 w?

Is it officially supported or easily possible to do parallel general purpose computation on the GPU of the zero 2 w? For instance with openCL support or something similar. Much of the discussion is almost a decade old.
Saren Tasciyan
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How to replace Pi Zero 2 W Buster onboard wifi with USB WiFi

I have a Pi Zero 2 W running Raspbian Buster where I need to disable the onboard WiFi, wlan0, and use a USB WiFi dongle. How do I make wlan1 join my WiFi network? I have tried various approaches, but so far the USB WiFi (wlan1) always fails to join…
Uilleann
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Convert Pi Zero SD-Card Image zu Pi Zero 2 W Image

I have an SD-Card Image for a Pi Zero but the Pi Zero was always a bit slow for the task (Web-Server, Machinelearning). So I would now like to replace the Pi Zero with a Pi Zero 2 W. Unfortunately, the Pi Zero 2 W does not boot from the old image.…
rdmueller
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RPi Zero 2W in mass storage USB Gadget mode, how do I read updated contents of the image file from the Raspberry Pi?

I've got a Rpi Zero 2 W working well in USB Gadget mode providing: mass storage, ethernet and serial connections. I'm doing this with libcomposite and the guides here: https://github.com/thagrol/Guides . I've got an image file as the backing store…
baralong
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RPi Zero 2 W monitor image lost during boot

TLDR: RPi Zero 2W outputs image only for a few seconds then stops My brand new Zero 2W is having issues with the monitor image. During boot I can see the init messages going by and at some point during boot the image goes black and the monitor says…
Tiago A.
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Relay Voltage drops when connecting a Solenoid Valve

Over the past year, I've amassed a box of broken relay modules that have a "voltage drop" problem: When the relay is energized, the voltage measured from the NO terminal and common reads 12V DC, but when I connect it to a solenoid valve, the…
Lord Elrond
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`dpkg` breakage in bookworm 64-bit?

This morning, while doing a routine apt update followed by apt full-upgrade of 3 packages (dpkg, dpkg-dev, libdpkg-perl) on my RPi Zero 2W, I received the following message: dpkg: warning: This system uses merged-usr-via-aliased-dirs, going behind…
Seamus
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