Questions tagged [pi-zero-w]
For questions specific to the Pi-Zero W (with WiFi and Bluetooth)
204
questions with no upvoted or accepted answers
5
votes
1answer
488 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 ...
4
votes
0answers
651 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
163 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 ...
3
votes
0answers
64 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
1answer
47 views
Is my Pi Zero W overclocking? Why does it disconnect?
I've got a Raspberry Pi Zero W which is connected to a 4 relay module, servo motor, and IR sensor. It has two functions: first, it operates continuously, watching the IR sensor and, when tripped, it ...
3
votes
0answers
383 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 ...
3
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 ...
2
votes
0answers
44 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
63 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
1answer
306 views
Can't connect to Raspberry Pi Zero W over USB SSH
I'm trying to login to my Raspberry Pi Zero W via SSH over USB, as in this article https://desertbot.io/blog/ssh-into-pi-zero-over-usb and this one https://www.thepolyglotdeveloper.com/20 ... cable-...
2
votes
0answers
203 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
0answers
105 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
355 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
618 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
1answer
65 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
965 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
417 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
519 views
RPi 0 w wifi does not reconnect
I have a RPi0w configured as a router, DHCP client and AP at the same time, with the onboard wifi.
The versión is:
pi@xxxx:~ $ uname -a
Linux xxxx 4.9.35+ #1014 Fri Jun 30 14:34:49 BST 2017 armv6l ...
2
votes
1answer
162 views
Abysmal data transfer rates using WinSCP with Pi Zero W
I am getting no more than 300KB/s (occasionally dipping below 100KB/s) transferring files from Pi Zero W wirelessly to Windows 7 machine on same network using WinSPC.
I have done the following so far:...
2
votes
0answers
81 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
1answer
247 views
Pi Zero, Retropie on top of Raspbian?
I know you can install RetroPie on top of Raspbian on a Pi 3 but what about a Zero W?
Do I need to get a different setup script and install RetroPie or do you just do everything the same way and it ...
1
vote
1answer
21 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
13 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
18 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
61 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?
1
vote
0answers
56 views
Pi freezes when running a script
I'm trying to set up a trap camera using a brand new Pi Zero W with Raspbian Buster but it freezes when I run the python scirpt.
originally the code was a bit complicated with multithreading, email ...
1
vote
0answers
21 views
Raspberry pi zero as keyboard controlled over wifi possible?
Hello I want to have a pi zero W create a wifi hotspot(no internet connection). I then want to connect to the wifi hotspot and ssh into the pi. From there i want it
to send keystrokes as a HID ...
1
vote
1answer
47 views
Why Raspberry Pi Zero W is missing to log data constantly every second?
I'm doing a project where I want to record IMU (Inertial Measurement Unit) readings. I want to use pretty high sampling frequency and I'm using Raspberry Pi Zero W to send PWM signal of 800Hz to ...
1
vote
1answer
22 views
Wireless Transparent Proxy Troubleshooting
I'm someone who has very little technical experience but became interested in the idea of a transparent Tor proxy. I'm well aware that this isn't a secure implementation but I thought I could learn a ...
1
vote
0answers
34 views
Cannot SSH from pi zero to pi zero over OTG USB
I am running Raspbian Stretch Lite
Linux testpi1 4.14.98+ #1200 Tue Feb 12 20:11:02 GMT 2019 armv6l GNU/Linux
I am able to SSH to my pi zero over the OTG USB cable as many guides online have ...
1
vote
0answers
63 views
wifi setup after changing wifi-direct settings
I followed these wonderful instructions on setting up wifi-direct, but now I need to be able to set up regular wifi after that.
Here's what I'm trying to do. Trying to set up the Pi Zero W to do what ...
1
vote
1answer
83 views
Can't get HC-SC04 Sensor to work
I'm using a Pi Zero W with a soldered project board to interface two ir Sensors and trying to make an HC-SR04 sensor work. I'm using the 5v supply to power all three sensors. I've set up a Motion.py ...
1
vote
0answers
69 views
DS18B20 temp sensor works on Pi 3B+ but not Zero W
I have a breadboard prototype working with a cabled (waterproof and regular temp) DS18B20 sensor and a AM2302 sensor on a 3B+. All is well with it recording at a set interval from each sensor. I'd ...
1
vote
0answers
16 views
Wifi stops working (on my laptop) after connecting rpi as ethernet gadget
So I am using a raspberry pi zero W as an ethernet gadget. I got ssh working and the RNDIS/Ethernet Gadget thing working so I can log into the pi using pi@raspberry.local. I even got VNC to work so ...
1
vote
0answers
156 views
Error unknown machine command despite compiling without errors
I recently made a project using opencv 4 on my raspberry pi 3 b+, but then decided to port the whole project to a new raspberry pi zero, as I want to make it a permanent setup and want to keep my py 3 ...
1
vote
0answers
35 views
Command to open Wireless and Network Settings GUI?
I want to add a button on the Main menu to open the Wireless and Network Settings control panel. I am using Raspbian Jessie with all the defaults, aka lxpanel. I'm using the RPi0W
The reason why I ...
1
vote
0answers
72 views
Toggle UART (enable_uart=1) without rebooting
Which pins can can I manually toggle to enable or disable UART on a Raspberry Pi Zero or 3B+ without rebooting? As I understand, /boot/config.txt is parsed before Linux is started, but I don't mind ...
1
vote
0answers
52 views
Max number of DC motors supported on a pi zero w
I'm in possession of a pi zero w. I have purchased two L9110s modules and connected 2 coin vibration motors (80mA) on each of them. The modules are powered by an external power battery bank rated 5V ...
1
vote
0answers
75 views
raspistill quality issues: single photos vs timelapse
For some reason there seems to be a huge jump in quality when using the -tl switch for a timelapse over individual pictures.
raspistill -t 1 -o /mnt/usb128/photos/test%016d.jpg -ex auto -awb auto --...
1
vote
0answers
297 views
Use mobile as remote via Bluetooth
I got Libreelec on my Pi Zero W, and I want to use my phone as remote over Bluetooth. How can I do that?
1
vote
1answer
275 views
What Bluetooth profiles does the Pi Zero W natively support?
I've started looking for tutorials for Pi's and Bluetooth, but I don't have any experience with Bluetooth and Linux, and it seems that the Bluetooth stack on Raspbian and/or Linux is not full featured ...
1
vote
0answers
77 views
Cloned Raspi Zero W boots into Emergency Mode
I have a Raspi (3+) that for whatever reason I need to clone to use as a temporary backup for downtime later on. After realising the effort needed to recreate it from scratch, I cloned its entire SD ...
1
vote
1answer
121 views
Trouble with using RPi Zero W as USB keyboard
I'm using a RPi Zero W for this exercise. I downloaded 2018-11-13-raspbian-stretch-full.zip and installed it onto a 32G microSD card:
sudo dd bs=4M if=2018-11-13-raspbian-stretch-full.img of=/dev/...
1
vote
1answer
493 views
Raspberry Pi Zero as webcam
I read some case, like using dwc2 and g_webcam in /boot/config and cmdline. but hard to understand and doesn't work. and can't find a tutorial, there are some tutorials only about serial and ethernet.
...
1
vote
0answers
66 views
Upnp for Rpi zero w with pi cam
I am trying to implement the upnp on my RPI ip cam. The goal is to make it portable so I can use it anywhere (with just the wifi SSID and pwd) without having to port forward everytime I have to deal ...
1
vote
1answer
636 views
Pi Zero W Wifi repeater with OpenVPN
Im trying to setup a Pi Zero W as a wifi repeater with openVPN without using a USB wifi dongle, as a tiny travel router.
I tried using this tutorial - by @ingo raspberry-pi-zero-w-as-a-wifi-repeater ...
1
vote
0answers
1k 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 ...
1
vote
0answers
179 views
CM3 - How can I use USB_OTG on carrier board? How does this differ from CMIO board?
Currently trying to figure out how to setup USB_OTG on the CM3 using my carrier board.
I posted on the RPI forums and got an answer which was to connect pin 4 (ID) on a usb micro AB connector ...
1
vote
0answers
612 views
SSH through bluetooth to raspberry pi using rfcomm. Nothing appears on bluetooth devices on my PC
I followed https://hacks.mozilla.org/2017/02/headless-raspberry-pi-configuration-over-bluetooth/
I see nothing on the bluetooth devices in my cellphone or computer. Here's the output of my raspberry ...
