Questions tagged [pi-zero-w]
For questions specific to the Pi-Zero W (with WiFi and Bluetooth)
478
questions
0
votes
0answers
16 views
How to route all traffic to captive portal on Pi Zero?
What I'm trying to achieve is that I can manually switch between my Pi having internet access over WLAN or letting it function as an Access Point. When the Access Point is active, the Pi has no ...
0
votes
0answers
14 views
raspberrypi time changes and then it hangs without any reason, can someone help. A beginner here
Syslog data that I see , notice that time jumps back after this strange line is logged ^@^@^@^@^@. once this happens, raspberry Pi Zero W becomes non- responsive and I have to restart to connect back ...
1
vote
1answer
51 views
Flask app takes 60% CPU on Raspberry Pi Zero W
I am developing Flask rover app on Raspberry Pi Zero W. And I having problems with CPU perfomance. I used flask profiller to find weak spot in my app, but everything seemed normal. I have Raspberry ...
2
votes
1answer
33 views
Pi Zero Fails to Raise Network Interfaces
I recently installed Kali Linux on my Raspberry Pi Zero W and following this guide connected it to my local WiFi network. I was able to connect just fine on the first try as well as the second try and ...
0
votes
1answer
36 views
Where did /dev/video0 go?
The Pi camera in my Pi Zero W stopped working. Possibly because /dev/video0 vanished. Can anyone say why?
In the meantime I have these three devices instead ..
pi@easy:~ $ ls -l /dev/video*
crw-rw---...
0
votes
0answers
32 views
Pi zero w BLE connection disconnects
I have some strange problem with connection between raspberry pi zero w and BLE device (electric scooter). When I try connect to ble device via bluetoothctl service it connects properly but ...
0
votes
0answers
13 views
Can't find my android phone via bluetoothctl scan on
I am currently working on a project that fetches the RSSI of my Samsung Galaxy S8 phone via bluetooth on a Raspberry Pi Zero W. I am running Raspbian and have successfully found other devices via
...
3
votes
0answers
53 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 ...
1
vote
2answers
31 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 ...
0
votes
0answers
11 views
Pi Zero (with pihole installed) refusing to connect to npm registry due to cert altname
I am trying to run npm install on a react project on my pi-zero. Since I have installed pihole, I understand my DNS settings may be pretty strange. I have tried running the install with pihole service ...
1
vote
1answer
48 views
Installation of kernel module for I2S Mic fails
I have a I2S mems microphone from adafruit. Now I am following the guide at https://github.com/nejohnson2/rpi-i2s#compile-the-i2s-module
Now after I have mounted the debugfs I attempt to look for the ...
0
votes
0answers
22 views
How to make more efficient reading of GPIO
My (python) program (on Raspberry Pi zero W) turns on/off a GPIO pin (connected to a relay module) depending on the RSSI signal of my phone (connected via bluetooth) and the status of one more GPIO ...
0
votes
0answers
42 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, ...
0
votes
0answers
45 views
Strange behaviour of touchsreen 3.5 inch waveshare TFT screen
I've bought display a few days ago (Waveshare 3.5 inch B 2.0 version) and have some problems with touchscreen.
I followed this tutorial : https://www.waveshare.com/wiki/3.5inch_RPi_LCD_(B) and I don'...
0
votes
1answer
52 views
Pi Zero W configuration to run AP + Client Mode on Raspbian Buster lite
I have a project in which I need to configure a Raspberry Pi Zero W to run both wireless AP and Client mode at the same time.
I've seen the tutorials and methods others have used on Raspbian Stretch, ...
0
votes
0answers
56 views
Errors with Lepton FLIR: Red square, unresponsive capture/overlay
I've been trying to set up a Lepton Thermal Camera (breakout v1.4) with a Raspberry Pi Zero W, and a Raspberry Pi 3. I've been following a number of guides but most recently this one.
Once I run
...
3
votes
2answers
87 views
Dead GPIO Pins, please help me find the culprit
One of my experiments has lead to two seemingly dead GPIO pins on my Raspberry Pi Zero WH. I'll explain what I did to seemingly cause this; please help me understand what happened.
The goal: Have a ...
4
votes
2answers
876 views
Which GPIO pins does the Pi Zero camera use?
I'm working on using the Raspberry Pi Zero camera as well as other sensors simultaneously. But while trying to figure out which GPIO pins the camera uses, so I know which ones I have left for other ...
0
votes
0answers
45 views
Solder USB wifi right on to raspberry pi zero
I am trying to solder a wifi adapter right on to my raspberry pi zero so it takes up less space.
I've followed this video and some other diagrams on how to wire usb devices right on to the pi zero. ...
0
votes
1answer
44 views
Pi Zero W: Second i2c Bus
I did a really stupid mistake - I set up a second i²C bus months ago, so I have two gyro sensors connected - but din't document it.
I can see the connected devices with
i2cdetect -y 1
and
...
-1
votes
2answers
74 views
Is it possible to power IR light module from 3.3v GPIO
Welcome,
i've got a question that is bugging me for quite some time lately. I've got RaspberryPi zeroW with ZeroCam camera module (without IR filter). To get it to work in dark I bought IR LED ...
0
votes
0answers
41 views
i2cdetect detects the device but also shows a full row of addresses
I have successfully setup a RTC clock ( DS3231 ) on a RPi zero. The whole process was explained here. It works as expected but with only a minor difference: Row 5 is filled with numbers from 0x50 to ...
0
votes
1answer
69 views
Pi Zero: eth0 not added to bridge after reboot
I've follow the official guide to setup a bridge between eth0 und wlan0 in order to use my Pi Zero WH as an AP with raspbian buster 4.19.75+.
When I add the interface brctl addif br0 eth0, the bridge ...
0
votes
0answers
33 views
RPi Zero W Ethernet gadget on Windows: headless config & debugging
I want to headless config my RPi Zero W with Raspbian Buster as an ethernet gadget on Windows 7 PC.
So I installed RNDIS from Microsoft Corporation, I added modules-load=dwc2,g_ether ip=192.168.2.2::...
0
votes
0answers
25 views
Connect mobile phone/app to Pi Zero W via Bluetooth
Is there any easy way to connect my android (later ios too) device to my pi zero w via Bluetooth? I'm looking for a way to send data to my mobile phone without using Wifi.
edit: I want to write an ...
1
vote
2answers
47 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, ...
1
vote
0answers
17 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 $?...
0
votes
1answer
104 views
Setup respeaker pi-hat 2 on RPI ZW
I am trying to run snips on my rpi0w, and has mounted the respeaker pi hat on to it.
Installed the driver using
git clone https://github.com/respeaker/seeed-voicecard
cd seeed-voicecard
sudo ./...
2
votes
3answers
584 views
Unable to run JAVA on Raspberry PI Zero? “VM is only supported on ARMv7+ VFP”
I am using Raspberry PI Zero W. I installed java 1.8 and 1.9 jdk's. Installation is successfully done. When i run the JAVA command on the RPi. Its shows error like:
"Error occurred during ...
0
votes
0answers
25 views
Why can't I TTL serial log to my computer or connect to WiFi with my Raspberry Pi Zero W
I haven't used my zero in about a year and I am trying to connect it to my new WiFi with no real success.
I tried:
-Editing the wpa_supplicant.config file and adding a shh file but when I check the ...
0
votes
0answers
35 views
RPI sometimes freezes on reboot , what to do?
I have an RPI 0 W which I use a script on to run 24/7 ,
Sometimes the script fails and a system reboot is required which I do by the command sudo reboot,
Sometimes while rebooting the RPI is getting ...
0
votes
0answers
23 views
Use raspberry pi zero's wifi on my desktop [duplicate]
I have a desktop that doesn't have any way of accessing the internet through WiFi at the moment. I can't get a USB WiFi network adapter or PCI-Express WiFi card any time soon but I have a raspberry pi ...
1
vote
1answer
222 views
Headless RPI ZeroW Kali Linux
For raspbian i used to make a ssh file and a wpa_supplicant.conf file for my raspi to connect to my wifi (after flashing i used to paste them in the boot folder). Is there any simple way to achieve ...
2
votes
2answers
105 views
how do I automatically power off the raspberry pi and cut power every night and then power it back on each day?
Background
I'm a student working on research project to develop a remote wireless sensor network of data loggers. Each data logger (aka node) is going to be retrofitted to a bird feeder that reads ...
0
votes
1answer
26 views
Can't connect to WiFi using Pi Zero w and Edimax EW-7811UN dongle
I was following this guide to set up the internal wlan0 as accesspoint and the external wlan1 (Edimax 7811 dongle) to connect to an WiFi as client. I'm using Raspbian Stretch. The wlan0 works ...
0
votes
0answers
32 views
Raspberry with HiFi Berry and only one speaker
I have a Raspberry Pi with a Hifi Berry Mini Amp. But I only connected one speaker to the hifi board. (I build a small radio with it)
Now I'd like to make sure that my speakers play everything.
So, f....
3
votes
1answer
64 views
High level of noise of SPI pins on RPi Zero W
I have a zero W powered via USB from a laptop.
I have setup up for the SPI drivers and run a very simple test program which is:
import spidev
import time
spi = spidev.SpiDev()
spi.open(0, 0) ...
2
votes
1answer
32 views
powering raspberry pi zeroW via computer usb port
I ran out of wall plugs for the Pi and I would like to power a zeroW via a USB port from my laptop. There are 2 microusb ports on the zeroW should which 1 should I use, the one near the edge or the ...
0
votes
0answers
44 views
arecord not able to find device?
I've installed the respeaker pi hat module to my Rpi0W using
sudo apt-get update
sudo apt-get upgrade
git clone https://github.com/respeaker/seeed-voicecard.git
cd seeed-voicecard
sudo ./install.sh
...
0
votes
0answers
55 views
Rpi3 and RPi0W wifi signal strength
I have a rpi3 which act as a Homeassistant hub, and have no problems connecting to my wifi.
Problem is that my rpi0W can't seem to connect to the same wireless network, from the same position that ...
2
votes
2answers
71 views
PI Zero W Bluetooth Device not recognised yocto poky
I have built an yocto poky image with bitbake and it doesn't seem to recognise the bluetooth device/controller.
I have seen this issue and doesn't help.
My local.conf has extra for distro features
...
0
votes
0answers
37 views
Logitech F310 hot plug working on Pi 3 B+ but not on Pi Zero W
I wrote software in C for my work that reads Logitech F310 controller input and controls our vehicle accordingly. I wanted my software to be fault-tolerant, so I added code that checks the presence of ...
0
votes
1answer
51 views
My RPi0 W crashes
My RasPi 0 W Crashes while updating and upgrading after i newly flashed the SD card with 2019-07-10-raspbian-buster-lite.img
my putty console:
login as: pi
pi@192.168.2.119's password:
Linux ...
0
votes
0answers
31 views
Share Internet with a Pi Zero over Bluetooth?
How do I share my Macbook's Internet connectivity with a Raspberry Pi Zero over a Bluetooth PAN? I am able to SSH into my RPi Zero via Bluetooth on pan0 interface, so the Bluetooth connection works.
...
0
votes
2answers
21 views
Connecting phone with RPi 0 W
Can i host a hotspot on my RPi 0? So phones can connect to it and use the SSH from the pi..
Bluetooth would work too but my question is how and what do i need it for.
I searched a lot but there are ...
0
votes
1answer
27 views
Commercial PIR intergration with Raspberry pi zero
Here is the problem I face. I have a commercial PIR and wondering if it can be seamlessly connected with my pi zero w and how.
PIR specs:
https://www.thecrowgroup.com/cr/uploads/2019/03/Datasheet-...
0
votes
0answers
41 views
Pi Zero W and running BME680 + PiHole + USB security camera?
I just got myself a Pi Zero W and a BME680 plus all the needed components to hook things up. I feel that the Pi Zero is powerful enough for running PiHole and also creating a personal weather monitor ...
1
vote
1answer
54 views
Will this work out (usb hub + rpi zero w + Zishan Z1 DSD)?
Well, I want to connect Rpi zero W and Zishan Z1/2 DSD in one case, but with both devices working in one port connected to PC. (with working usb device in Rpi if in "portable" mode or in both ...
0
votes
1answer
62 views
RPI Zero as Keyboard: Convert key codes from SHOWKEY to write into /dev/hidg0 HID packet [closed]
I'm using RPI Zero W as keyboard gadget. It's supposed to act as keyboard getaway from Bluetooth keyboard to USB keyboard. I'm running "showkey" shell command process giving me codes of just pressed ...
0
votes
2answers
60 views
Forcing lower WiFi speed on Pi Zero W for robustness
I'd like to do some low bandwidth realtime* streaming to a Raspberry Pi Zero W. Since the required bandwidth is much lower than even the lowest WiFi speeds, but dropped packets and jitter will cause ...
