Questions tagged [pi-zero-w]

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

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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 ...
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0answers
17 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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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 ...
2
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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 ...
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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 ...
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1answer
3k views

I2S Recording combined with I2S Playback

I have a Raspberry Pi Zero and I am using the Adafruit I2S MEMS Microphone together with the ADAFRUIT I2S 3W CLASS D AMPLIFIER BREAKOUT - MAX98357A. I did follow the two respective tutorials and I ...
0
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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---...
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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 ...
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2answers
750 views

Can't get MLX90640 working

Warning. Really long post. Hi. I’ve been having problems in getting my MLX90640 thermal camera to work on my Raspberry Pi Zero W. I’ve connected the camera to Pins 1,3,5,7,9 as instructed. I then ...
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2answers
105 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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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 ...
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3answers
3k views

Emulate Raspberry Pi zero W with Qemu failed due to missing dtb

I am trying to emulate a Raspberry Pi zero W with Qemu based on an image I used on a real Raspberry Pi zero W. The command I am using is: sudo qemu-system-arm \ ...
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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
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0answers
55 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
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1answer
49 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 ...
2
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3answers
585 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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2answers
76 views

Incorrect TTYS0 input from sensor

I am trying to read data from a LV-MaxSonar-EZ0's TX pin connected to the RX pin on a Raspberry Pi Zero W. The problem I'm running into is that the data I'm getting does not fit what the sensor's ...
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2answers
32 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
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1answer
915 views

Rpi Bluetooth Android Device Connection Pairing Problem

I'm trying to connect my rpi0 w to any android device via Bluetooth LE(low energy) , i can pair but i can't connect them ,an error always showed (Connection failed,No usable services on this device ) ...
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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 ...
5
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1answer
484 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 ...
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1answer
105 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 ./...
3
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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 ...
3
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1answer
9k views

Which distro for Raspberry Pi Zero W?

Which distro is recommended for the new Raspberry Pi Zero W? I want to code a few small projects which will not have graphics sound any added software other than my own programs but will have ...
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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 ...
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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, ...
44
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3answers
216k views

How do I make serial work on the Raspberry Pi3 (or later model)

My Pi3 serial console produces rubbish and fails to respond to the keyboard.
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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, ...
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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 ...
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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'...
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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 ...
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1answer
327 views

How do I use three RC522 RFID readers together?

Ok, So I have one RC522 reader working with no issues. I want to have 3. I don't care which receiver picks up the RFID tag, I just want to know whenever a tag was picked up at all by any of them. ...
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2answers
317 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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700 views

How to use WM8960 Audio Board on Raspberry Pi Zero W

I'm trying to use the WM8960 Audio Board (not the HAT) on a Raspberry Pi Zero W. I followed the instructions for the HAT to install the driver (WM8960 Audio HAT User Manual). It seems to be installed ...
0
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1answer
36 views

raspberry pi zero w TWO wi-fi connections 1)dhcp 2)static

hello I need that my Pi automatically connect to wi-fi's 1) At home (by dhcp)-easy 2) at work (static IP DNS router)-don't know how it's extrimle easy to do that on armbian by configs /etc/...
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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 ...
4
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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 ...
1
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1answer
66 views

Sound system with PiZeroW

wondering if someone could give me a few pointers on a project I'm working out. I haven't yet bought any of the equipment, just trying the ideas first to see if it will work. I'm planning on ...
1
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1answer
21 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 ...
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1answer
31 views

Raspberry Pi Zero W — route domain to local IP

I set up an access point using this tutorial and was wondering if I could set up something where if I connect to the access point and went to example.com it would route to 192.168.4.1:80 or something ...
1
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1answer
269 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 ...
0
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2answers
606 views

TL-WN722N v1.10 (Atheros AR9271) Not working in Pi zero

I have a TP-Link TL-WN722N and i want to connect it to my Raspberry Pi Zero W. I saw somewhere that it works fine on a non-zero pi, but it doesn't show up in my iwconfig or ifconfig... it does show up ...
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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
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1answer
189 views

Compatibility With GSM/GPRS A6

I'm working with an A06 V2 connected to a Pi zero. Using AT commands to send SMS functions correctly. I try to send MMS using CMMSXXXX commands There is problem. The first commande must by AT+...
0
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1answer
85 views

Pi Zero system not seeing USB port

I’m a nooby who built a Pi Grrl Zero, and it was working fine. I could plug my mini keyboard dongle into the USB data port and it worked. Then I plugged in an audio adapter. That was a mistake! ...
1
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1answer
120 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/...
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1answer
76 views

How can I get the set attribute of each “device” in an array

What I am wondering is how I can loop through paired_devices and get the "name" attribute for each device. This is only a short amount of the code, if more is needed, feel free to comment below. def ...
2
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2answers
234 views

Raspberry Pi Zero W solar power setup

Good day, I have a Raspberry Pi Zero W that I would like to deploy onto a tower that is supplied with 12VDC power from a photovoltaic solar panel. I'm currently looking at powering the Pi Zero W ...
0
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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 ...
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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 ...