Questions tagged [pi-zero-w-2]

For questions specific to the Pi-Zero W 2

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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 ...
1 vote
1 answer
36 views

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 ...
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2 answers
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Having issues with RPi zero 2w Not Booting

For the backstory, I recently bought a raspberry pi zero 2w for putting in a gameboy. This required soldering a dpi adapter from tinkerboy to all the gpio pins which for some reason did not work in ...
2 votes
1 answer
37 views

Pi Zero 2W uart configuration?

I found this answer How do I make serial work on the Raspberry Pi3 (PiZeroW, Pi4 or later models) It was very helpful to understand the uart situation on the Pi 4. But when I tried the same config ...
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1 vote
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Pi Zero 2 W Ad Hoc Range

I would like to know Raspberry Pi Zero 2 W's transmission range for ad-hoc transmission. Currently, I'm planning a communication network between Pis. I am talking about multi-hop communication. I can'...
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Same SD card, same 7" touchscreen: works on Raspberry Pi 4, not Raspberry Pi Zero 2

I have a 7" touchscreen that, on my Raspberry Pi Zero 2 W, does not properly scale x position. At the left edge of screen, where I touch is where my cursor appears. But the farther right I move, ...
1 vote
2 answers
30 views

Porting a python script to C/C++ (potentiometer, MCP3008, pi-zero-w-2)

I'm pretty newbie to C++. I'm trying to write a simple, workable code for interfacing my potentiometer and MCP3008 with my raspberry pi. I've written this python script which works nicely. However I ...
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26 views

PXE Boot Pi Zero via USB LAN adapter

Is it possible to PXE boot a Raspberry Pi Zero (2W) using a USB LAN adapter? Specifically, using these components: Raspberry Pi Zero 2W USB Micro -> USB socket adapter cable TP-Link UE300 (Realtek ...
1 vote
1 answer
40 views

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, ...
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1 answer
49 views

Deactivate WIFI MAC spoofing on Raspberry Pi Zero 2 W with DHCPCD?

After the same update/upgrade I did to my 10 Raspberries (Pi Zero 2W), 4 out of them keep on using when connecting to my WiFi, a MAC Address which is not the hardware one (the one I see via ifconfig). ...
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1 vote
1 answer
79 views

Raspberry Pi Thermal Printer Flow Control DTR or XON/XOFF

I use Rpi Zero 2 and Adafruit Nano Printer (link) for Bitmap printing. I ported the C++ Adafruit Thermal Printer library (link) for my Rpi Cpp program, which was pretty straightforward, but I am ...
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0 answers
10 views

What user does RetroPi (or EmulationStation) run under?

I installed RetroPi on my RPi and launches on startup and works fine. I would like to know what user it is running under.
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2 answers
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Raspberry Pi and bscXfer/bsc_xfer not reliably passing data between Arduino Master

Data passed between a Raspberry Pi, configured as an I2C slave device, is not reliably transmitting between an Arduino I2C bus master device. Data is consistently getting lost, and slave responses are ...
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127 views

Wifi Carrier Lost Recovery -- DHCPCD and Avahi problems?

I'm trying to troubleshoot a headless RPI Zero W2 python program that accepts user input via input() over ssh. My python program logs wifi signal strength and performs an iperf upload/download ...
1 vote
2 answers
94 views

UART (not the board itself) stopped working after connecting 5V to GND, can it be recovered?

I accidentally connected UART wires one row lower than it should be (see image): then I unplugged them shortly after that and then connected correctly, but serial console doesn't work anymore. USB ...
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0 votes
1 answer
44 views

Trying to get my curcuit board running

I am trying to create a curcuit board for a project of mine. Several devices are connected to a Raspberry Pi Zero 2 W. One of them is not working via the curcuit board but directly connected to a ...
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0 votes
1 answer
303 views

Wifi disconnects after 6 hours on Raspian 11 (pi zero 2W)

I've got a Zero 2W running up-to-date Raspian (bullseye) and homeassistant Core. After 6 hours (give or take a minute, but pretty exactly) of runtime, the on-board wifi crashes and does not reconnect. ...
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0 votes
1 answer
76 views

Using Run Pin for Startup on pi zero w and v2

I'm planning on running a pi zero 2 connected to an arduino over uart for a personal project, but I'm using a pcb and I want to power it on and off without using any cables. My current plan is to ...
0 votes
1 answer
65 views

How to ground Raspberry in a car

I want to use Raspberry Zero 2W with cam in my car. I always feel electrostatic when I went out from cars. How should I protect Raspberry and a cam from electrostatic in my car? What parts of car I ...
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145 views

waveshare GSM/GPRS/GNSS/Bluetooth HAT gps software problems (AT commands)

when I got the hat working with the serial communication I have a problem. it seems that the GPSObj not stores the values when I running the test codes for the gps data ex: Code: Select all from ...
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1 vote
0 answers
48 views

RPi Zero 2: What is the black part next to GPIO 26?

I ordered a Raspberry PI Zero 2 a while ago. Today I wanted to use it the first time. I inserted a SD card with Raspberry Pi OS and powered the Zero 2 with an iPhone power supply. Nothing happened. So ...
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349 views

What is the Easy Way to do Raspberry Pi Headless SD Card Copy

I have been using a desktop version of Pi OS - Bullseye on my Pi Zero 2 and I think it's a good time to try headless as I am getting used to controlling my pi through SSH. I am planning to use Pi OS ...
3 votes
2 answers
1k views

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 ...
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0 votes
1 answer
109 views

How many HDDs can be connected to a raspberry pi zero 2w (by using usb hubs)?

Trying to find out how many drives I can connect to a raspberry pi 2w. Basically how many devices the host controller supports. More information: this is a for a Chia (crypto) harvester. I would be ...
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1 vote
1 answer
1k views

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/...
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1 vote
0 answers
98 views

Unable to run image from Pi Zero W 1.1 on Pi Zero W 2

I have a Pi Zero W 1.1 and I took a backup of the image which I wrote onto another micro SD card. I tried running this on a new Pi Zero W 2 but it doesn't boot. The green activity light comes on and ...
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0 votes
2 answers
201 views

Additional i2c_gpio is not detected on Ubuntu Server 20.04 / RPi Zero 2 W / A+

I'm trying to enable the second (GPIO-based i2c) on RPi Zero 2 W, Ubuntu server 20.04 to connect the following sensor. Note that the primary i2c pins are physically occupied as RPi is used as a hat ...
0 votes
1 answer
87 views

raspberry pi zéro 2

I wanted to ask a question. Is there a security system to shutdown the Raspberry Pi Zero 2 in the event of overheating? A hardware solution in the Raspberry Pi(a form of security) and not a software ...
0 votes
1 answer
500 views

Ubuntu Core & Raspberry Pi Zero 2 W

I'm trying to run Ubuntu Core 20 on Raspberry Pi Zero 2 W. According to Install Ubuntu on RPi this should work without a problem when using the 32bit version. Or with 64bit version using following ...
0 votes
1 answer
125 views

Ubuntu on Pi Zero 2W Wifi not listed

I can't figure how to setup a Wifi connection on my pi zero 2, running on Ubuntu server 21. I tried many different things and here the results: Raspbian lite: everything works fine Ubuntu server: can ...
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1 vote
1 answer
2k views

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 ...
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2 votes
1 answer
677 views

RPi Zero 2 W monitor image lost during boot [closed]

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 ...
  • 121
0 votes
0 answers
376 views

Troubleshooting help? PiZ2 - USB not working

I just got a new Raspberry Pi Zero 2W, and setup a bootable 32G card no problem. On first boot, I see the Setup screen via HDMI, and I can SSH into the pi-user from my PC. But it is not responding at ...
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1 vote
0 answers
1k views

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. ...
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0 votes
1 answer
205 views

Pi Zero 2: insufficient power from USB port

i want to use my EzCap269 video grabber with my new Pi Zero 2. Unfortunately the video grabber won't work (power led is off) - so i assume it's getting not enough power (it's a USB3 device). I'm using ...
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