Questions tagged [pi-zero-w]

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

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23 views

Issues with timestamp creating overflow error

I'm trying to run a python script I wrote on my Raspberry Pi Zero but I keep getting the error OverflowError: timestamp out of range for platform time_t. I'm relatively certain it's something with ...
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21 views

OpenCV2 ---> OpenCV4

I have been working on a project from github, https://github.com/twilio/wireless-security-camera, that utilizes OpenCV. Now I haven't played much with OpenCV so this is trial and error on my part. ...
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22 views

Looking for USB to USB serial cable

I having a raspberry pi zero w and a normal laptop as host. Instead of using UART, I want to know is it possible to connect to the USB port in raspberry pi zero w as a serial device via USB to USB ...
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1answer
20 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
34 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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1answer
25 views

Very strange SSH problem with iPhone hotspot

I am newbie with Raspberry and this is my first time using it. I downloaded Rasbian Buster Lite and flashed it with Etcher. Added ssh named file to boot directory and also file named wpa_supplicant....
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36 views

Run raspbian image that was used in Qemu

I'm working on a project that needs to run ROS on raspberry pi zero. I was following this tutorial but I allways get stuck in dependency problems, low ram o anything else. Since it tooks about 8 hours ...
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29 views

Is raspberry pi zero w powerful enough for Mysql? [closed]

Is raspberry pi zero w powerful enough for hosting a Mysql database?
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33 views

Can't get my express server up running on a Raspberry Pi zero

I am having trouble trying to get my express server to run on my Raspberry Pi zero w. I used the express-generator and ran npm start and this was the output: myapp@0.0.0 start /home/pi/MyApp ...
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75 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 ...
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16 views

Seek Compact. Easiness to configure and use

Hello everyone and happy new year. I'm in need of a thermal camera for my project. I am considering buying a FLIR Lepton but just found out that you can use a Seek camera with the Pi as well which ...
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1answer
65 views

Pi Zero W Wifi network connection issues

I have a Raspberry Pi Zero W project that needs a network connection for some of its functionality. The device normally does not have a keyboard and display attached, as it's operated by hardware ...
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1answer
19 views

Raspberry pi failing to take still

I am developing my remote camera robot with flask on raspberry pi zero w. Where is mjpg-streamer used for video stream and picamera python lib used to take high resolution stills. And I having very ...
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1answer
32 views

Can't set modes 1 and 3 in Auxillary SPI(1)

The auxiliary SPI will not accept modes 1, or 3. I’ve enabled spi1-1cs, and /dev/spidev1.0 is created. I can send and receive data but only SPI_MODE_2 and SPI_MODE_0. Setting to mode 3 produces a file ...
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12 views

Advice needed on live streaming with multiple raspberry pi zero w simultaneously

I have 4 raspberry pi zero w each with its own raspicam. What I am trying to accomplish is to live stream from each of the raspicams simultaneously. I need to stream the videos outside of my home ...
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30 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 ...
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1answer
58 views

Unable to stream live on Youtube using Raspberry Pi Zero W using ffmpeg

I am trying to stream live on Youtube using a Raspberry Pi Zero W and a raspicam. I have installed ffmpeg using the instructions in this link. I am trying to start the streaming on Youtube using the ...
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1answer
38 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 ...
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18 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 ...
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1answer
63 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 ...
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17 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 ...
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1answer
79 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 ...
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1answer
64 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 ...
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1answer
131 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---...
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56 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 ...
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22 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 ...
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110 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 ...
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2answers
52 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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20 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 ...
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1answer
72 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 ...
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25 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 ...
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90 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, ...
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46 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'...
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1answer
175 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, ...
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87 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 ...
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2answers
145 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 ...
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2answers
1k 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 ...
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68 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. ...
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1answer
86 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 ...
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2answers
114 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 ...
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45 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 ...
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1answer
111 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 ...
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0answers
47 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::...
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70 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 ...
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2answers
59 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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21 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 $?...
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1answer
130 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 ./...
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3answers
1k 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 ...
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0answers
27 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 ...
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39 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 ...