Questions tagged [pi-zero-w]

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

254 questions with no upvoted or accepted answers
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6
votes
1answer
863 views

Rasberry Pi zero and 3 bluetooth transfer speed is slow RFCOMM

I am trying to send a series of bytes from the Raspberry Pi zero W to the Raspberry pi 3 via bluetooth. Im using the PyBluez python package. I believe that Raspberry Pi Zero has Bluetooth 4.1 and ...
5
votes
0answers
1k views

Bluetooth PAN on the Pi Zero W

I have the following problem: I want to host a webserver on my Pi Zero W and access it over Bluetooth. To achieve this i tried to use PAN as underlying layer. The first time i followed this post. Most ...
4
votes
0answers
207 views

Check if a host device is connected to Pi Zero gadget

How can the Pi detect if a host device has been connected, and gather information about that device, when being used as a gadget (such as mass storage). It would be useful if I could detect this ...
4
votes
1answer
2k views

Camera Module V2 working on Raspberry Pi 3 but not on Raspi Zero W

I have a new Camera Module V2 that I tried to hook up with a new Raspberry Pi Zero W with this adapter cable. When I call raspistill -o test.jpg I get mmal: Cannot read camera info, keeping the ...
3
votes
0answers
370 views

DCF77 time signal emulator by Raspberry Pi Zero WH

This is my first post on this forum. Thanks for being welcomed into this community. I am struggling with my second project with a RaspberryPi. On Github I found a very interesting project of an ...
3
votes
0answers
713 views

What can set the system clock?

I'm testing various clock sources on a Raspberrypi Zero W with Raspbian Buster Lite. After removing the fake hardware clock sudo apt remove --purge fake-hwclock and disabling ntp sudo timedatectl ...
3
votes
0answers
845 views

Raspberry Pi Zero W Alexa Microphone Not detecting, but speaker works

So I have looked online and I even got different mics and adapters to get this working, but it still doesn't work. I was able to successfully setup my Alexa Pi on the RPi Zero W, because when I boot ...
3
votes
0answers
3k views

Connect from Windows 10 to Raspberry Pi Zero over USB

I am trying to connect RPi Zero from Windows 10, Was following this tutorial https://learn.adafruit.com/turning-your-raspberry-pi-zero-into-a-usb-gadget/ethernet-gadget For some reason laptop is not ...
2
votes
0answers
52 views

USB via MAX3421

I am trying to get an additional USB port working by using the MAX3421 chip over SPI on a Raspberry Pi Zero W running raspbian. I have successfully installed the driver as a kernel module. The chip ...
2
votes
0answers
88 views

Raspberry Pi Zero WH dead

I have problem with my Raspberry Pi Zero. When powering on with sd card inserted nothing happens, no LED is flashing. The os on the sd card is working on another raspberry pi. The problem occured ...
2
votes
0answers
40 views

HDMI No signal on one tv but signal fine on another

I am using a pi zero w. I have used it on two TV's to date. It's been a month or so since I last used it and now it works on only one of the TV's. This wouldn't be a problem but I am giving this to ...
2
votes
0answers
156 views

Dropped wifi packets from Pi Zero W to Pi 3B+

We're trying to build a system where a master Pi 3B+ controls a dozen (or more) Pi Zero W clients - all running the latest raspbian (as of 18:00 EDT today) - in an isolated WiFi island (no ...
2
votes
0answers
165 views

Waking computer with raspberry pi zero usb keyboard gadget

I've been trying to set up a raspberry pi zero as a keyboard gadget, hoping i could wake a laptop (No ethernet) with it. I would also be able to encrypt it and send the password, which is an added ...
2
votes
0answers
410 views

Detect if a host is connected (gadget mode)

Device: Raspberry Pi Zero W v1.1 State: Pi Zero is running in gadget mode, acting as a USB Mass Storage device (seen by / mounted on a MacBook Pro). Question: What is the best way to detect whether ...
2
votes
1answer
190 views

Pi Zero W - cgroup_cpuset not available

Even though the contents of /boot/cmdline.txt seem right... $ cat /boot/cmdline.txt dwc_otg.lpm_enable=0 console=serial0,115200 console=tty1 root=PARTUUID=a435ca9f-02 rootfstype=ext4 elevator=...
2
votes
0answers
610 views

What is the maximum clients a Raspberry Pi 3 B+ access point can handle?

I have setup a RPi 3B+ as access point using this tutorial: https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md I have a few dozens of RPi Zero's that connect to the AP. ...
2
votes
3answers
1k views

Connecting multiple load cells Pi Zero W to read individual values

I have a project in mind where I want to measure the weight and position of an item on a shelf. The idea was to mount the shelf on a load cell in each end and then get the weight and ratio between ...
2
votes
0answers
3k views

Pi-Hole + Unbound ==> Unbound anchor not ok // SERVFAIL

Problem with unbound and pi-hole I followed the official guide for installing Unbound alongside Pi-hole for my network, see Setting up Pi-hole as a recursive DNS server solution A week ago I first ...
2
votes
1answer
76 views

fork() Process Issue on Channel Switching via Rotary Encoder

I have KY040 rotary switcher(encoder) as shown below picture. It is the scenario that there are 5 radio stations(simple html url) in urls.txt which are read into stations list in radyoCS.py, at every ...
2
votes
0answers
1k views

Both speaker and microphone via I2S

I got the exact same error as someone asked on the raspberry pi forums. But no solution was found yet. https://www.raspberrypi.org/forums/viewtopic.php?t=183617 I've connected max98357-i2s to the ...
2
votes
0answers
485 views

Pi zero with Pi can video steaming stability issues

I wanted to setup my pi zero and pi camera as a rstp streaming cctv camera. I tried motion, but this ran the pi at 100% cpu utilisation and I didn't need motion capture as a I have a seperate (motion) ...
2
votes
0answers
85 views

pi zero W as remote ethernet jack / internet access for satellite TV receiver

I've got a pi Zero W that I'd like to use to support a wireless network for my satellite TV tuner. The tuner has an ethernet jack, but running cable to it is problematic... I've got a ...
2
votes
0answers
182 views

How do I add the nightly Risc Os build as an option to the NOOBs / PINN OS list?

The latest NOOBs image contains the RISCOS boot binary, but the option to install it dosen't appear on a Pi-3. I guess as the official release only supports Pi-1 + Pi-2, while the nightly build ...
2
votes
4answers
5k views

RASPBIAN STRETCH can't use startx desktop ui

I've just installed the latest version Raspbian. After that i've tried to access the desktop version trough putty (sudo startx) but i get the following error: X.Org X Server 1.19.2 Release Date: ...
1
vote
1answer
25 views

Unable to Set Up Pi Zero W headless - tried everything

I recently purchased a Raspberry Pi Zero W and have followed numerous tutorials on how to set it up headless, all without any success. I've tried turning it into a USB ethernet gadget rather than ...
1
vote
1answer
14 views

How can Rpi connect to and read the DIY PH-4502C pH Sensor?

How can Rpi connect to and read the DIY PH-4502C pH Sensor?
1
vote
0answers
81 views

Boot halts on “Started Update UTMP about System Runlevel Changes”

On my RPi Zero W I had a kernel panic issue Kernel panic-not syncing: VFS: unable to mount root fs on unknown-block(179,6) but I managed to fix it with the help from the second aswer from this post: ...
1
vote
0answers
44 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 ...
1
vote
0answers
26 views

Correct module interface to use with Raspberry Pi Zero WH

I would like to install a module on my R PI Zero W with soldered head. The avaliable interface options for the module are TTL | RS232 | USB | USB Virtual URL to module: https://www.aliexpress.com/item/...
1
vote
2answers
149 views

Raspberry Pi Zero W can't connect to wifi

I have been trying to setup a raspberry pi 0w to connect to my access point but I can't get it to connect. The first thing I did was to enable USB ethernet and make the ssh file so I can connect to it ...
1
vote
0answers
77 views

Max30102 not visible in i2cdetect

I'm trying to connect Max3012 to Raspberry PI. I actually tested: two Max30102 versions (?): one with 7 holes on one side and another one with 4 holes on one side and 4 holes on another AND, trying ...
1
vote
0answers
479 views

How to deliver POE and ethernet to a raspberry pi zero (W)

i Would like to create a POE power and ethernet delivery circuit for the pi zero, Setting aside the actual circuit of the POE and ethernet, I am first concerned on two things: How do i deliver Power ...
1
vote
0answers
27 views

Setup SD card so Pi-Zero-W looks for WPS WiFo connection

I've done some googling on the topic of the zero and WPS but most of them talk about running some commands on the zero to get it to connect WPS. The problem I am trying to solve is.... I can't run ...
1
vote
0answers
204 views

Raspberry Pi Zero W in OS startup boot loop

I have a Raspbery Pi Zero W that was working, but today seems to be stuck in a boot loop. I'm running Raspian Lite on it. The boot messages look normal as far as I can tell. The last message I see ...
1
vote
1answer
155 views

Pi Zero W Bluetooth Connection Getting Dropped

I have a Rpi Zero W with headless setup and I am trying to connect my bluetooth speaker into my Raspberry Pi W. I followed this Setup Bluetooth on Raspberry Pi I followed these steps to be exact 1. ...
1
vote
0answers
160 views

Pigpio for I2C slave on Pi Zero and the timing of data from the master

I'm using the pigpio library through pigpiod running on a Rpi Zero configured as a slave. The master is an ATMega328PB. On the Pi I am testing using a modified version of the python script provided in ...
1
vote
0answers
92 views

Mount SMB Share as File

I am trying to use g_mass_storage to present files from a network as usb with my raspberry pi zero w. Sadly, g_mass_storage takes a file for the file parameter. I also tried creating a file with dd ...
1
vote
0answers
64 views

Isolate Raspberry pi from power supply on shut down

Ok Team I need to know if this circuit will work or if there is a better way. Use Case: I have a piece of machinery that is controlled via a Raspberry pi zero W. It just controls a relay board to ...
1
vote
0answers
597 views

pi zero with g_mass_storage configuration

working on a pi zero, i'm playing with the usb gadget mode. especially the g_mass_storage was very complicated to get it works. following this article: magpi i tried to add the usb g_mass_storage ...
1
vote
0answers
168 views

System doesn't discover bluetooth adapter

I have custom buildroot image built for Raspberry Pi Zero W. My primary goal is to be able to activate on-board blueetoth, however I seem to have immense problems achieving it. My main problem is that ...
1
vote
0answers
795 views

WiFi signal strength in a script

I have a need to obtain WiFi signal strength on a Pi0W. I have a PHP script and all works via terminal: php /var/www/html/blah.php (I use exec("iwconfig wlan0", $output_lines);) The script runs as a ...
1
vote
0answers
36 views

128x64 LCD install to Pi Zero W

This is my first Rasp project, so please be understanding. I have Raspberry Pi Zero W and 128*64 dot china LCD. I do not have any program done for the screen yet. When start my Rasp only backlight ...
1
vote
0answers
49 views

Are there wireless smart lights that can be directly controlled with a raspberry pi>

I am new to raspberry pi, so I apologize in advance if this question is very basic or is in the wrong place. I want to create one of those wakes up alarm clocks that slowly brightens the light in ...
1
vote
0answers
136 views

Is there a way to get DSI output on RPi Zero W?

I'm trying to make an inexpensive smartphone, So I don't want to buy a really expensive small HDMI display, so... DSI. But the pi zero doesn't have DSI output . I've looked into hdmi to DSI adapters ...
1
vote
0answers
689 views

Raspberry Pi Zero as boot keyboard USB gadget (libcomposite and macOS boot)

Since I have exactly the same issue and no solution so far, please allow me to repost the question by Charlotte J at superuser again on this board: I am trying to turn Raspberry Pi Zero W as a "boot ...
1
vote
1answer
75 views

Not accepting any new connections. Raspberry pi zero W

I am new to Stackexchange. I have been working on monitoring service(python based) on RPi Zero W and edited the /etc/rc.local file to execute the program during the startup. The program works ...
1
vote
0answers
70 views

Greengrassd service starting issue on Raspberry Pi zero device. it shows “Illegal instruction”?

AWS greengrass service configurations problem on Raspberry PI zero. i configured on RPI and when i start the greengrasss service with "sudo ./greengrassd start". It shows error like "Illegal ...
1
vote
0answers
540 views

UV4L huge CPU load on streaming audio

I'm building a little baby monitor using RaspberryPi ZeroW and UV4L and run into a little problem. I'm using WebRTC to cast video and audio to my browser from RPI camera (used facedetect demo, ...
1
vote
0answers
34 views

Floating point exception while upgrading via apt

When I attempt an apt upgrade on my Raspberry Pi Zero W I get the following output: Fetched 5,864 kB in 10s (580 kB/s) Floating point exception E: Sub-process /usr/bin/apt-listchanges --apt || test $?...
1
vote
0answers
150 views

How can I download a Pi image with Tensorflow Lite already installed?

This whole nonsense of cross-compiling is nuts. Can I just download an image of Raspbian for my Pi Zero W with tensorflow lite already installed?

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