Questions tagged [pi-zero-w]

For questions specific to the Pi-Zero W (with WiFi and Bluetooth)

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2answers
107 views

How to detect if an external Relay is ON or OFF

I want to know the state of an external Relay connected to my Raspberry-Pi. Basically if there is current flow or not in A-B. A-B should be connected to R-Pi. I am not sure how to proceed even though ...
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3answers
421 views

DS18B20 Temperature Sensor's Power Supply and Rpi's Pull-Down-GPIO-Pin Sinking Current Requirements

I have a RPi zero W and am reading four ds18b20 temperature sensors (with a 10K ohm resistor between the data and vcc line). Now and then I keep getting "SensorNotReadyError" from the sensors. My ...
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2answers
1k views

Cannot mount rootfs anymore after card was used by Raspbian

I have latest Raspbian Lite burned on a SD card. When I dd the image into the card I can mount the boot and the rootfs partitions on my Ubuntu to access the files. However as soon as I use this card ...
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1answer
1k views

Is RPi.GPIO included in Raspbian?

I'm working through this tutorial, and it says to manually, and I mean manually, install RPi.GPIO: cd /home/pi/Downloads wget https://pypi.python.org/packages/source/R/RPi.GPIO/RPi.GPIO-0.5.11.tar.gz ...
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2answers
1k views

Pi Zero W - cracked 4r7 box

The "4r7" box on the mainboard of this Pi Zero W is cracked and the insides are exposed. It seems to be working fine. My questions are: What is this? Is it ok that it's exposed? Is there something ...
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2answers
79 views

Raspberry Pi Networking

I currently have a raspberry pi4B (p0) with four raspberry pi Zeros (p1-4) all conected to the pi0 via USB (using usb gadget mode for a network connection). To be specific i'm using a pi Cluster Hat. ...
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2answers
236 views

How do i make my raspberry pi zero w a wifi adapter

So my computer doesn't have wireless so i was wondering, is there a way my pi 0 W can share it's connection with my PC though USB
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1answer
342 views

Can I power a Raspberry Pi Zero and use the data connectors on a MicroUSB header at the same time?

Curious to see if this is possible as I have two USB data connections I want to use simultaneously on the Pi.
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1answer
329 views

ClamAV Error for scanning

I'm trying to install ClamAV on my pi zero. Which is an antivirus program. I ran the command : sudo apt install clamav Then I typed in: clamscan But it said: LibClamAV Error: cli_loaddbdir(): ...
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1answer
79 views

Controlling Raspberry PI zero device over the internet

I have five Raspberry Pi zero W devices and each device connected to 4 channel relay module. These five devices are in different locations and connected to the internet. We wrote a python program to ...
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1answer
2k views

Can a Raspberry Pi Zero W be turned into an USB WiFi dongle to any USB Host like x86 PC or mini-PC?

In a project, I want to use Raspberry Pi Zero W as an USB wifi dongle to my USB Host(PC). Currently only station mode needed, but I would like it has AP mode either, just like a real Wifi Dongle. Is ...
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1answer
151 views

Initialize CSPRNG on boot to bootstrap entropy faster

I found that when using the firebase_admin library, first time runs of my script would error running, but would eventually start working. The problem has been isolated to the way the Python ...
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2answers
210 views

Connect to Pi zero to Pi3 through wifi and share files

Following setup: One RaspberryPi 3 which opens a wifi AP One Pi Zero W which connects directly to the hosted AP Both run stretch, ssh is enabled. This works so far, the pi zero connects to the pi3. ...
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1answer
479 views

Supply 3.3V sensors using GPIO pins

I am using a RPI zero to receive some data from sensors. All these sensors use 3.3V supply. A teacher gave the idea of using the GPIO pins(not the VCC's itself) to supply power to the sensors, so ...
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3answers
383 views

ssh over USB only works on a single macbook

Recently, I received a RPI zero w for a potential side-project at work, mounted the latest raspbian image to it and set it up for ssh'ing via USB using this tutorial. I was unsuccessful in ssh'ing ...
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1answer
32 views

Can't find my raspberry pi executable

So, based on the advice given here: Cannot find filesystem I used the RPi-Cpp-Toolchain to build my executable on my Ubuntu desktop. The build appeared to succeed, but I can't find the executable ...
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1answer
98 views

Share Uart Pins

In my build i have a gsm module ( SIM800L ) connected to a RPI 0 W in this way: I would like to get also the current position of my device, for do so i was thinking to buy a Gps module ( NEO-6M STM32 ...
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1answer
221 views

Issue connecting raspberry pi to android via Wifi p2p

I'm working on connecting a Raspberry Pi Zero W to an android device and having some issues. I think I am very close to getting it to work, but perhaps there is some small error. So I followed the ...
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1answer
75 views

Intermittent Wifi

I have a Pi Zero W running a fully up-to-date version of Raspbian (buster). For some reason, the Zero isn't reliably connecting to my wifi. I followed the wifi configuration steps here. I've also ...
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1answer
117 views

why doesn't the [dtoverlay=dht22,gpiopin=xx] way not work, when Python on pin 21 does?

Trying to get a DHT22 sensor to work on a Raspberry Pi ZERO WH running BUSTER. The demo Python program works on pin 21 (4 is in use by my DS18B20 sensors.) I tried the dtoverlay method, but I don't ...
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1answer
183 views

Can I boot with a nfsroot over a wireless network?

I've recently been transitioning the various Raspberry Pis on my (wired) network over to use NFS root filesystems rather than mounting them from the SD cards, to avoid the assorted known problems with ...
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2answers
179 views

Set WiFi Adapter as Eth0

I have an issue setting up my wifi adapter. To initally set up my raspberry pi zero w I used an old Wifi Pineapple from Hak5 to give the rpi W access to the internet. The Wifi Pineapple uses internet ...
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1answer
223 views

Will SDIO-mode second SD card conflict with integrated WiFi?

One is able to add a second SD card on RasPis by activating the SDIO interface. However, on the Pi 3 and Pi Zero, the integrated WiFi is connected via SDIO. Can you have both at the same time?
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1answer
45 views

Start a pyhton script, which depends on I2S as soon as possible during the startup of my Raspberrypi

I have the following systemd service, which starts a systemd service as soon as I boot my raspberrypi: [Unit] Description=MyService DefaultDependencies=false [Service] Environment=SERVICE_HOME=/home/...
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1answer
76 views

Connecting Raspberry Pi Zeros over Ethernet

I'm attempting to set up a simple network made up of two raspberry pi zeros, one with wifi to access over ssh by another computer and then communication between the two pis using Ethernet. To set up ...
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2answers
152 views

Controlling 28 invidivual leds with a raspberry Pi Zero

I want to do a what I hope is a simple project. Making a led light clock built into a plank. Basically I'm planning on cutting 28 slots in a piece of wood, and placing a small LED light in each slot, ...
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1answer
777 views

Can one run a Raspbery Pi Zero W at load continuously?

I want to use a RPi Zero W to drive a display. This will be putting the CPU on-load pretty much 24/7. Can it handle having load near-continuously? I do have a small metal heat sink on the CPU. I ...
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1answer
1k views

Mini UART Bluetooth PAN on Pi Zero W

I followed these instructions to enable a Bluetooth PAN on my Raspberry Pi Zero W. It mostly works fine, but it occupies a serial port. I need UART (mounted at /dev/ttyAMA0) for serial communications, ...
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1answer
167 views

Can't find /boot nor etc folder in downloaded NOOBS in SD Card. Need to add wpa_supplicant.conf file to connect to wifi on first boot in headless mode

I have downloaded NOOBS on an SD Card to install in my Raspberry Pi Zero W. I will boot it for the first time in headless mode (because I do not have access to an HDMI monitor) and for that i need to ...
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1answer
486 views

How can I diagnose a headless Raspberry Pi Zero W that hangs?

I'm trying to run my Pi Zero W as a motion detecting camera using RPI cam web interface but it keeps hanging after a few hours at most. Before it hangs, it can record motion detect videos and upload ...
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1answer
4k views

Kali tools on raspbian?

Is it possible to install Kali tools on Raspbian? I have tried Katoolin but I keep getting a segmentation fault error when fixing the dependencies and getting stuck in a loop where "it is not going to ...
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3answers
708 views

/boot/wpa_config being copied with wrong permission

I plug the micro SD into my MacBook. I then save a correct /Volumes/boot/wpa_supplicant.conf with file permissions with 777 (default when creating files into the FAT partition). Then, when I move back ...
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3answers
5k views

wpa_supplicant connects to wifi but gets no ip

we are facing a weird issue. Basically, wpa_supplicant tries to connect to wifi network, and apparently succeeds, but it can get no IP address. We are using a Raspberry Pi Zero W to generate an ...
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1answer
2k views

Troubleshooting a non-working USB port

To clarify, the USB port once worked, but I think I've borked it. I have a Raspberry Pi Zero W. Been working great and I'm using it for a Game Boy Zero project, so loaded RetroPi on an SD card and ...
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1answer
5k views

Pi Zero W freezes/crashes/hangs from day 1

I have finally made the step and bought myself a Pi Zero W a few days ago. During the last 10 years or so, I have worked with multiple microcontrollers but never with a Raspberry computer. Hence, I ...
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3answers
1k views

First setup of Raspberry Pi Zero W

I've just bought a new Raspberry Pi Zero W v1.1 2017 and i already have a connection problem with putty over ssh. Things i've done so far: downloaded 2017-09-07-raspbian-stretch.img and burned with ...
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3answers
2k views

New RPi Zero W - Screen flickers

I got a new RPi Zero W :) Fresh installed Raspbian Jessy on a new 16GB SD. All went good, including connection to wifi, and Logitec 2.4GHz mouse and keyboard. after that- from time to time, screen ...
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3answers
810 views

Power Issue with RPi Zero - Is my Pi Dead?

For the last week I've had trouble powering up my new Pi. Initially I tried booting Raspbian while powering the board using a USB cable, but the activity light would not flash at all. I then tried ...
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2answers
982 views

Can't fit Pi zero W into Adafruit's case

I bought a package of Pi zero W in here and it comes with a case made from Adafruit, but when I'm assembling Zero W into case I found out there is a piece that bump out at the back inside the case (...
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1answer
1k views

Having both a WiFi client and an Access Point on Pi Zero

I have read this thread:rpi-zero-w-as-both-wifi-client-and-access-point And I have followed the instructions in this post:raspberry-pi-3-wifi-station-ap Initially, I was getting errors on the AP but ...
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1answer
5k views

Pi Zero W WiFi interference with TTY

I've run into some issues with the new Pi zero W. First I tried to run an image of raspbian from 11-1-17' but that did nothing. Well, it booted but couldn't set up a Wi-Fi network. So I've installed a ...
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1answer
55 views

GPU for image processing on Pi Zero?

I have a Pi Zero W that I'm deploying headless to a remote-off grid location with very limited bandwidth. I would like to transmit images from the camera every 5 minutes or so, but to minimize ...
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1answer
55 views

mounted ext4 partition is immediately unmounted

I'm trying to mount an external USB SSD in RPi Zero-W in Raspbian, no desktop mode, with fstab, and seems that it unmounts immediately. EDIT: I found this bug (which is still unfixed), and see that ...
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2answers
92 views

Pi Zero W not selecting the strongest AP

I just got a pi zero W and I'm trying to run it on my home wifi which has two access points (EAP245). However, for some reason, the 0W insists on connecting to the AP with the lowest signal, not the ...
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2answers
608 views

How can i cross-compile for Raspberry Pi Zero with WSL?

I am working on a project with the Raspberry Pi Zero and since I don't have a monitor to connect the Pi and don't want to use vi through ssh I thouhgt that cross compiling would be a decent solution. ...
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2answers
55 views

Can I setup a Rpi Zero W to prefer the USB wifi dongle instead on the embedded wifi?

I have an RPi Zero W, on which I want to use a Wifi dongle to have better reception. I can see my dongle, the drivers are recognized and I can scan with it, but Raspbian (stretch) seems to stick to ...
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1answer
115 views

Industrial microSD card to minimize corruption [closed]

I plan to use RPi’s (zero w) to create some potentiometer value readers for the company I work at. They will be used in the production, in order to adjust the potentiometers in some products. The ...
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1answer
265 views

How come Rpi GPSD can read GPS data using USB to serial cable, but not using Rpi serial pins TxD, RxD?

I've been trying to setup an RPi0 with a GPS module. This is the GPS antenna I'm using This is the GPS module I'm using to connect to the Pi I've tried the module with USB on my desktop (Windows 10) ...
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1answer
325 views

pulseaudio: [alsa-sink-USB Audio] alsa-util.c: Got POLLNVAL from ALSA

I am using an external USB sound card with a Raspberry Pi Zero W. Once in a while (up to every few minutes when playing sound) it will stop playing and /var/log/syslog logs this error: May 21 22:52:...
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1answer
527 views

Update node.js on pi zero w

I'm trying to update my node.js version following this tutorial: https://desertbot.io/blog/nodejs-git-and-pm2-headless-raspberry-pi-install But at the command: sudo cp -R node-v11.15.0-linux-armv6l/*...

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