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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w2812b led strip flashing except when touching data line

I'm working on a led script with a w2812b strip and a pizero. I have a cap on between the data and ground and a resistor on the data line. When I run the script the strip flashes seemingly randomly, ...
pizzadog's user avatar
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Pi Zero as I2C slave

I'm trying to set up a Pi Zero as I2C slave via the pigpio library. While receiving data seems to work great, sending data is a problem. When the host asks for data for a given register, the request ...
Bill F's user avatar
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Windows computer not able to find Raspberry Pi 0 2 over USB

I'm trying to set up my Raspberry Pi 0 2 over USB. To do this, I've followed guides like this one (I've looked at multiple, they all have the same instructions), and have correctly edited both config....
Nick's user avatar
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SIM7080G GPS Module temporarily fails with PiFmRds

I have a SIM7080G GPS module for the Raspberry Pi Zero (Product Wiki), and the GPS it works fine (I am not using the cellular functionality). I am trying to transmit radio (at the same time) using ...
Arlo Michael's user avatar
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Can't get rpi camera module v3 working on my rpi 0w

Is there a specific command that can tell if I even connected the camera CORRECTLY to my rpi (so hardware issue can be ruled out)? Using this command it seems the rpi is detecting the camera on ...
Steven Even's user avatar
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Automating USB Connection/Disconnection for HID device on Raspberry Pi Zero W

I have a blood pressure monitor device that requires manual USB connection and disconnection each time I want to read its measured values on a computer. When the device is connected with USB, its ...
411gi's user avatar
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Play Video on an LCD connected through SPI

How can I play a video on an lcd connected through SPI? I want to find a video player, a tool, a library, but all that I have found so far is designed for HDMI display. My actual solution is based on ...
Davide Davide's user avatar
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Stream two webcam video from Raspberry Pi 0 W to mac over wifi

I have to stream two webcam videos from a Raspberry Pi 0 to a mac book air. The webcam is a Trust Trino HD webcam. Ideally the streams shall have the maximum possibile frame rate (5fps), resolution (...
Ugo Mela's user avatar
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Smooth change from headset_head_unit to and from a2dp_sink with a script

I want to use my bluetooth bathroom speaker. That is connected to a pi zero 2 snapcast client. to pickup phone calls when im there. I'm stuck at the point that i cant make a sollid cli script to ...
Bram's user avatar
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Ground offset when powering devices directly from 5VDC transformer

I am reading in current sensor (ACS712 20A) values using the MCP3008 ADC into my rpi zero. I am also using a Songle SLA-05VDC-SL-C relay, and have found that both the current sensor being on, and ...
Jonas's user avatar
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SWD debugging for Raspberry Pi Zero W

I am developing a bare metal program that will be run on a Raspberry Pi Zero board. Is it possible to debug the program with the SWD protocol? Are RPi0/1 boards (which are based on BCM2835 SoC) able ...
علاء الليبي's user avatar
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Raspberry Pi Zero - 5 or 5.1 volts?

I am doing a little project where I power Raspberry Pi Zero from motorcycle battery (even when the bike is running). I have a step down converter which is set to 5V between the battery and Pi. But I ...
jsfrz's user avatar
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1 answer
95 views

Need Help with nRF905 Transceiver Module on Raspberry Pi Zero

I recently bought a nRF905 Transceiver Module from Jaycar and am wondering how to use it. It is meant for an Arduino and I have found some libraries for it (nRF905 Library For Arduino - GitHub) I need ...
Arlo Michael's user avatar
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243 views

Raw wiring to a ILI9341 TFT display

I'm trying to connect a RPi Zero W to a Winstar WF24LTYAJDNN0 LCD module with integrated ILI3941 controller. The LCD comes with the typical 40 pin flat cable with the following pinout: The LCD is ...
weirdgyn's user avatar
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GPIO.LOW commands not working with relay

I want to make a program that on and offs a 5v single channel relay through a raspberry Pi zero w.(setmode is bcm) I connected 5v pin (pin number 2), gnd (pin number 6) and gpio 17(pin number 11) to ...
Mayo's user avatar
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Raspberry Pi Zero SSH over USB publickey permissions error

I've been trying to communicate with my Raspberry Pi 0 through SSH over micro-USB, but haven't gotten very far. Typically, I can do it remotely by wirelessly connecting with ssh [email protected]. ...
Ben Bistline's user avatar
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Reading Durations of signal train

I am receiving a signal train of alternate high low pulses and trying to read it on Raspberry Pi Zero W. I have enabled the one wire pin(GPIO-4) and used that pin to read the pulses. I am reading the ...
John Mist's user avatar
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I think I've shorted my Raspberry Pi using a Picoborg, but I'm not sure how? Help?

So I've been trying to work out how to control a Furby Boom (2013) from a Raspberry Pi Zero W and was working on connecting the Furby's DC motor to the Pi through a Picoborg. I then ran one of the ...
maemaimimi's user avatar
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54 views

Using multiple IR receivers on a raspberry pi with LIRC

I'm trying to create a DIY laser tag/game and I want each player to wear multiple targets, but I can't find a tutorial that explains how to use multiple IR receivers. I just need to be able to know if ...
Tom Fiszelson's user avatar
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Pi Zero White Screen (SPI)

I am attempting to get a Pi Zero W v1.1 to work with a screen connected via SPI, but am currently only getting a white screen no matter what I do. The screen in question is this one. So far I have ...
ManixI's user avatar
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how to use a 32 gigabyte sd card for raspberrypi zero w?

I've been trying to ssh to a raspberry pi with a 32 gigs sd card with no progress. I've been using raspberry pi imager for a while with other 16 gigs sd's on other pi zero w with expected results. ...
Martin Montas's user avatar
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Segmentation faults after installing .deb packages

I have a Pi Zero (not WiFi) running Raspberry Pi OS (2023-05-03). I have no way of connecting it to the internet but I wanted to install two packages: feh unclutter So I downloaded both (armfh ...
Laurence's user avatar
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Pi Zero V1.3 miniuart not working

Ive got a bare metal project that has been running on Pi 3 without problems, i want to start moving it over to the Pi Zero, i have a V1.3 Pi Zero (not W) here so started with that. Ive stripped it ...
Adrian Brown's user avatar
2 votes
1 answer
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Phantom events on Pull-Down Button

I’m the author of this project, an automated feeding device controlled by a custom 4-button keypad. The device is in use 24/7, since over a year. In rare cases I‘ve noticed fake button events. To be ...
m5c's user avatar
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How can I reduce the memory usage of my python3 scripts on a Raspberry Pi Zero 2? [closed]

I created 9 python scripts that I run as cron jobs. When I run them on a VirtualBox virtual machine running Ubuntu Server 20.04 with 512MB of RAM with a single processor, everything runs smoothly and ...
Serge Charbonneau's user avatar
1 vote
1 answer
179 views

Zero W2 stopped working unable to ssh or ping

Overnight my pi-hole disappeared, it had been running fine for months, then one morning... gone, I've been unable to ping the Raspberry Pi Zero or ssh to it. It has a fixed IP, assigned by the router ...
Simon Martin's user avatar
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320 views

Adding two ENC2860 ethernets on 2 spi of Raspberry Pi Zero

I have successfully added enc2860 using spi0, I followed https://www.raspberrypi-spy.co.uk/2020/05/adding-ethernet-to-a-pi-zero/ to get it working without any issue on eth0. But I now want to add 2nd ...
Harish Patil's user avatar
2 votes
2 answers
1k views

Share Internet connection from raspberry pi 0 w to computer via USB cable

The Raspberry Pi Zero W is connected to the internet with wlan0 and it needs to share that internet with the computer via USB. The Raspberry Pi Zero W also needs internet access. I have gadget mode ...
allancoding's user avatar
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1 answer
287 views

RpiZero and RpiPico communication through nrf24l01 not receiving packages

I am trying to implement a wireless communication between RpiZero and RpiPico through NRF24l01 modules. Pico is the receiver, and Zero is the transmitter. I have successfully started the Pico ...
Antifa's user avatar
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1 answer
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Exposure time in PiCamera not working

I am trying to take a long exposure image (30 sec+) in python using a RPi HQ camera (https://raspberry.piaustralia.com.au/products/raspberry-pi-hq-camera and the PiCamera module). This is my code: ...
Jake's user avatar
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0 answers
229 views

How to share internet from Win10 laptop with PiZero (no WiFi) headlessly using USB cable?

I am trying to share internet using USB cable to Raspberry Pi Zero (without WiFi module). I have used the latest documentation and advices but no matter what approach I attempt, PiZero cannot ping any ...
gofraidh's user avatar
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2 answers
550 views

How to simultaneously control over 200 GPIO pins while maintaining timing accuracy

I am currently using a raspberry pi zero, which I connect directly to my computer via usb. I have connected eight MCP23017 GPIO expander chips, which is the maximum amount you can connect to a single ...
Yes's user avatar
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2 answers
158 views

Powering GPIO-interacting sensors with external 3V3

I am using a Raspberry Pi Zero, with an x706 PSU hat (2 x 18650 batteries). The X706 PSU is charged by a good quality, stabilised 5V power supply unit providing up to 3A. The Pi is hooked up to many ...
de_a's user avatar
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0 votes
3 answers
453 views

Can a raspberry pi power a 5v and 1 amp Peltier module

I am considering a project that involves the following part. https://www.amazon.com/Dilwe-Thermoelectric-TEC104901-Semiconductor-Heatsink/dp/B08YFBZW64/ref=sr_1_16?crid=DYBHWMJ9VUJN&keywords=5+...
UNKNOWN's user avatar
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1 answer
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Autoexpand partition after first boot

I am using Raspberry OS for a batch of zeros, I wanted to prepare the OS one time and then flash the prepared image for the others. After flashing the OS I installed some useful things for later, I ...
Ripper346's user avatar
0 votes
2 answers
118 views

Detect if a raspberry zero is turned on

I would like to use an old raspberry zero 1.3 to share files in my home network, but I wish I could shut down the connected hard drives as the system shuts down. Initially I thought that it was enough ...
Pinguto's user avatar
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Does the RPi Zero suffer performance issues with cellular modems?

Sixfab's Raspberry Pi 4G/LTE Cellular Modem Kit claims that it works with every 40-pin Pi: Fully compatible with Raspberry Pi models that have the 40-pin GPIO header (4, 3, 2, A+). Raspberry Pi Zero ...
Joe D's user avatar
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0 votes
1 answer
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CAN BUS communication issue

I am trying to set up communication between a rpi4b and pi zero using a custom mcp2515 module, it is custom because I changed the tja1050 for a sn65hvd230. So, I am trying to send a simple message ...
GRS's user avatar
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0 votes
1 answer
441 views

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 ...
Petar Mareš's user avatar
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31 views

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/...
Thierry Seunevel's user avatar
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357 views

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 ...
Pa Dalton's user avatar
1 vote
1 answer
2k 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/...
baralong's user avatar
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0 votes
1 answer
238 views

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 ...
Raghavan K's user avatar
2 votes
1 answer
1k views

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, ...
OskarZyg's user avatar
-7 votes
1 answer
60 views

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 ...
Moti's user avatar
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1 answer
118 views

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 ...
middlelady's user avatar
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29 views

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 ...
Sukhmani Kaur Thethi's user avatar
0 votes
2 answers
124 views

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 ...
manintree's user avatar
1 vote
2 answers
343 views

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 ...
AlonBR's user avatar
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0 votes
1 answer
200 views

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 ...
Prarthana P Bhat's user avatar

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