Questions tagged [pi-zero]

This refers to the single-core Raspberry Pi Zero, with 512 MB of RAM and smaller form factor than models A+/B+/2B.

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list open files on mass storage gadget

I have a Pi Zero configured as a mass storage gadget (MSG). I want to attach a display that will list which, if any, files are being accessed externally via the MSG. For example, I have mp3 files ...
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pi zero as 4 pin power switch

I need to be able to remotely turn on/off a 4 pin power switch, can that be done with pi zero? the current setup uses a 4 pin power switch to power a PID controller from a power source, so what I'm ...
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How to install LTE USB Huawei EE3372 on Raspberry pi zero?

HELP ! I never worked on Rasperry before, only arduino. Been trying for some time now to install LTE USB modem, Huawei EE3372 on a Raspberry pi zero. Found several instructions on the internet, some ...
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how to read keystrokes in RPi and send something else to PC?

I found this thread and a few others but they don't seem to consider that a keyboard is attached to the pi and that the primary data is sent from it -- rather, the pi just emulates. What I'd like to ...
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Bad config file for motion, starting as a service, poweroff my raspberry at each boot

I try to use Motion on a Raspberry pi zero. worked fine, but using webcontrol I wanted to stop the raspberry when I motion was ended. I added this line to my motion.conf : on_event_end /usr/sbin/...
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SSH to RSP 0W via bluetooth

I'm starting a new project for my RSP 0W. I wold like to SSH to it via bluetooth from my Mac (Big sur). I already can SSH via wifi but for my project no wifi will be available. I already tried ...
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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/...
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Detection of USB Ethernet gadget by PyQt GUI in Windows 10

I am looking to implement this feature where a Pi connected to Windows 10 PC is detected by a PyQt GUI on the press of a soft button or through periodical scan of connected devices. I can see Pi in ...
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why does gpsd not update a location past its first fix?

I'm running GPSD 3.23.1 built from source but this also occurred on GPSD 3.22-4 from the debian/raspbian repositories. When I launch any gpsd client, gpsd sends the first fix it managed to acquire, ...
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connecting two camera and two display to raspberry pi

I want to connect two cameras and two displays to a raspberry pi so that it can do each camera's output can be displayed in each display individually. I want to know if that is something possible.
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Redesigning a Raspberry Pi 0 W

I want to redesign the Raspberry Pi 0 W to fit it into a USB stick. I wonder if there are manufacturing documents - particularly the wiring layers to allow for the controlled modification that will ...
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Headless PI not booting anymore after upgrade and nordvpn install

my Pi apparently stopped working after apt upgrade and installing nordvpn app. The thing is that I see a red line at the bottom of my var/log/syslog. In practice I can't ssh anymore in it. I checked ...
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problem with wifi bridge: Raspberry pi zero + wifi dongle (realtek RTL8192CU)

Not a big expert here! I'm trying to follow these guides: Use systemd-networkd for general networking and Access point as WiFi router/repeater, optional with bridge, but I encountered some problems. I ...
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Raspberry Pi Zero USB Ethernet gadget reconnection problem

I connected Pi Zero as a USB Ethernet gadget to a Windows 10 PC. The Pi Zero is powered by a 5V DC adapter. Then, I login to Pi Zero through it's hostname raspberrypi.local and SSH into it. Actually, ...
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Input Number and output a number of pulses

I own a mobile home park. I have water meters that have remote displays. I find myself constantly needing to change the values of the display. It takes forever to roll the wheel by hand, so I want to ...
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what is the relationship between worst case execution time (WCET) and cpu utilization of a raspberry pi zero

Assuming the task execution in case of single core processor be sequential, how can we possible relate the WCET of any program to CPU utilization of task and/or core frequency at which the task is ...
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Zero in g_mass_storage mode: modprobe only if connected to correct host?

This question references two old questions that never received any answers: Detect if a host is connected (gadget mode) Check if a host device is connected to Pi Zero gadget I am looking for a way ...
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How can i set up my owm serial communication between two Raspberrys?

i have following Problem: I have A raspberry Pi 3B+ with a Touchscreen, which uses every Single Pin on the 40Pin GPIO header. The only thing i have is a i2c breakout on my Touchscreen. But i have the ...
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Detect a closed circuit

I would like to use a res pi 0 for a wet experiment in my lab. I need the device to indicate when water seeped out through a water resistant membrane. Basically the method is straight forward, as soon ...
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How do I send user's wifi credentials to my RPI wirelessly?

I am working on a project which would require me to connect my Rpi 0 w to my home wifi. I want to send the pi wifi credentials(ssid and psk) over my phone the very first time and then on subsequent ...
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Serial/Ethernet Gadget Raspberry pi zero

I'm trying this 'ethernet mode' on raspberry pi zero with bullseye and bonjour installed on windows 10 following this guide Ethernet Gadget without success. My main goal is to get control on network ...
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Using python socket with raspberrypi.local as ip

I have a raspberrypi zero 1.3 and am connecting to it by enabling local ssh as instructed here and using raspberrypi.local as the ip to connect with using putty and winscp. I would like to connect to ...
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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. ...
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Bluetooth not functioning on default Arch Linux (armv6) install

I am simply trying to get Bluetooth to work on the latest version of Arch build for the Raspberry Pi Zero W (original, not 2). I have the latest version of Arch(armv6) successfully running on the rpi ...
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Pi Hole: White List does not work

Model: Raspberry Pi Zero Software: PiHole 4.3 When i add a domain into the White List on the web interface i expect to be able to load those domains but they get blocked entirely. I also restarted the ...
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How to make analog servo power off with code?

I'm writing a sample code for my pi zero w and I have an analog servo motor (FS9225M) What I'm trying to do is make it work for a few spins then deactivate it so that I can move it manually with my ...
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rpi 0 2 turns off when i connect a keyboard to it

so when I connect the pi to a monitor or tv it stays on but as soon as i connect a wireless keyboard/mouse to the OTG USB port it stops working and turns off. i even reinstalled the os and retried it ...
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No audio through jack despite config audio=on, raspi-config also fails

I am trying to get sound out from a Raspberry Pi zero with RaspiOS bullseye. I have enabled the alternate functions and use a RC filter to get an audio signal to some earbuds. However when I try to ...
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can dfrobot io expansion HAT read pwm input?

I bought this IO Expansion Hat from dfrobot that adds functions the rpi lacks, like analog pins and pwm output. Since this HAT has a STM32F030F4P6 with multiple 16bit timers, in theory I could use one ...
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What folder does Motioneyeos save movie files to on my microSD card?

I am using a RaspberryPi Zero W to build a nest camera for wildlife studies. The hope is to have a camera run continuously while attached to a battery and solar system while saving files to the ...
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Unable to ping or ssh into Raspberry Pi zero w from a Windows 8.1 PC but could successfully ping & ssh into it via a Windows 10 PC on the same network

I have a Pi Zero w. it has been set up with a standard rasbpian imager and OS and latest files off the OEM website. the boot drive also has an ssh file and a wpa_supplicant.conf file with necessary ...
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Get raw touch data from display into RPI zero

I am using 7Inch HDMI Touch Display with RPI zero. I want to pass the pixel data ( or anything else related ) where touch is sensed to another device. I could not find related information. Is it even ...
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Why usb with root filesystem is not mounting on boot bootcode.bin not working

Hi I am making this thread because someone pointed that my previous was not specific enough. I am trying to move my root filesystem to external usb on my raspberry zero v1.3. I have additional ...
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Audio output on Raspberry pi Zero W

I was trying to take an audio output from piZero-W, the article I followed was, this one. How to get audio through the gpio pins to a 3.5mm jack? When running - systemctl status alsa-state the result ...
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Multiple gadgets through one USB OTG

I would like to use my RPi to provide input to my PC through one USB interface. I was reading on how to configure OTG on RPi and found this great guide: https://gist.github.com/gbaman/...
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raspberrypi.local on putty not working for raspberry pi Zero 1.3

I followed the following steps to set up my sd card to make a raspberrypi zero W connect via usb cable. Initially I always received the error message "Unable to open connection to raspberrypi....
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Pi Zero extra I2C pins

My use-case is to have multiple sensors with the same I2C address attached to the PI and also a LED screen that I want to attach on it's own. I found that there is a software level overlay BUT it is ...
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I would like to control my Traxxas Stampede with a raspbery pi

So i want to make basically a glove where when i tilt my hand it will turn the car. (I'm going to just have simple buttons for forward and back so I only need to focus on one tilt plane) I plan on ...
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Raspberry Pi Zero W won't connect to network

I have a NetGear modem/router (2.4G) connected with a TP-Link AX1800 Wifi 6 router (2.4g and 5g networks) connected to it with an ethernet cable. I tried connecting my Pi (headless) to the 2.4g TP-...
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Raspberry Pi Zero w two UARTs

I use on my RPi Zero UART ports on GPIO 14&15 on device /dev/ttyS0, and that is ok. But I need another UART port, can I connect to micro USB port on board USB-UART converter CP2102 to get the ...
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Has the Pi Zero ever had a Gnd on header pin 22?

My documentation say's header pin 20 is ground, and pin 22 is GPIO25. I bought a few Zero prototype boards from Schmartboard, Inc. P# 710-0016-03. Ten dollars a piece is rather expensive for this ...
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Android device not detected when connected to rpizero before boot

I'm working on a project in which a RPi Zero (raspibian buster) controls an android phone by sending commands via adb. Everything works correctly if I connect the device once the RPi Zero has done the ...
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Can two raspberry pi zeros communicate through the hdmi port?

I want to cluster a bunch of raspberry pi zeros together through their hdmi ports since that port seems to be the only one that can handle 8megapixels worth of data at 60 FPS but from what I’ve read ...
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Pi zero camera module suddenly stopped working

I am using Raspberry Pi zero W together with Adafruit Zero spy camera for Pi (product link: https://www.adafruit.com/product/3508 ) for a project. As per the project requirement, the above camera ...
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16 module relay board connection to RPi Zero W

I am using raspberry pi zero W for a home automation project. I am using 5V 16 channel relay board and using all the 16 relays as part of the project. I have not connected a separate 5V power supply ...
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Simple Graphical Animated Canvas For Python on Raspberry Pi Zero

Is there any way to efficiently create an animated canvas with python? Required Ability to efficiently render 2D lines and shapes (lines, arcs, circles, ellipses, etc.) Ability to show the canvas ...
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1 vote
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Multiple Pi Zeros over USB-Ethernet: is there a limit?

I want to connect 10 Pi Zeros via Ethernet over USB to get 10 Pictures at the same time. My Host machine is a Raspberry Pi 4 4GB running Ubuntu 21.04. I got everything running as I want to with 7 ...
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Building a car SatNav from a RPi

My Garmin car GPS died, and im thinking about building my own. I saw that there are a couple pretty good navigation softwares out there, and I want to use one of them, with OSM maps and a 7" ...
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Resizing photo keeping aspect ratio for e-ink paper

I am trying to create a photoframe using a 7.5 inch eink paper from waveshare with resolution 800x480. I have been able to print the image on the paper by resizing it to the requested resolution using ...
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Key Listener for Raspberry Pi Zero via SSH

I am trying to write a key listener for a headless Raspberry Pi Zero that I am connected to via SSH; the RPi is set up to imitate an HID keyboard, and I want to pause / resume a macro from the RPi to ...
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