Questions tagged [pi-zero-w]

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

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45
votes
3answers
219k 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.
29
votes
2answers
40k views

Power consumption of Pi Zero W?

For those who have the Pi Zero W with them, what is its power consumption in the following modes: No peripherals connected, WiFi And Bluetooth off Only WiFi turned on Only Bluetooth turned on Only ...
21
votes
8answers
56k views

Set up a Raspberry Pi Zero W without monitor or ethernet module

I bought the new Raspberry Pi W but I don't have right now an mini-HDMI adaptor (to connect it to a monitor) neither an Ethernet module to connect by SSH. Can I connect somehow by SSH through USB? ...
16
votes
7answers
39k views

How to connect to WiFi without reboot?

I just put a freshly flashed card (with 2017-09-07-raspbian-stretch-lite) into a Raspberry Pi Zero W. Then I added these lines: network={ ssid="myWifiSsid" psk="myWifiPassword" } to /etc/...
10
votes
3answers
44k views

How can I find the MAC address of my Wi-Fi interface?

I want to determine the MAC-address of my Wi-Fi interface on a Raspberry Pi Z W running Raspbian Lite. Is there a command that I can run to tell me this? Is there a device in the /proc tree that will ...
8
votes
6answers
30k views

Raspberry Pi Zero W headless using wpa_supplicant.conf not working

I am trying to start up my Raspberry Pi Zero W completely headless, but somehow it won't connect to my WiFi. Here's what I did: Plug SD card running RASPBIAN JESSIE WITH PIXEL (should it be something ...
8
votes
4answers
33k views

RPI zero W as both Wifi client and access point

Everything points to that the Raspberry Pi Zero W can be access point and connect to wifi at the same time. According to this article, with the command iw list describes: valid interface ...
8
votes
4answers
5k views

I2S DAC device support (kernel drivers?) and noise (“pop”, “crackle”) on playback

I am trying a Adafruit I2S 3W Stereo Speaker Bonnet for Raspberry Pi - Mini Kit, which is built around two MAX98357 (datasheet: adafruit, maxim), on a Raspberry Pi Zero W with Raspbian Stretch (...
7
votes
2answers
257 views

Can it be an issue to record videos directly on the SD card of a Raspberry Pi?

I am using a Raspberry Pi Zero W and the picam v2 to record videos continuously for several days. Files recorded are only 5-minute long. Can I save files on the SD card directly, or should I use an ...
7
votes
1answer
776 views

Raspberry Pi zero bluetooth max transfer speed

What is the maximum theoretical limit for bluetooth transfer rate from a raspberry pi zero W to Raspberry pi 3 using RFCOMM? They both have bluetooth 4.1, which, on wikipedia saids can reach speeds ...
6
votes
4answers
14k views

Cannot set up WiFi on Raspberry Pi Zero W running Stretch

I have been trying to connect to my wireless network for several days now with my Raspberry Pi Zero W running Stretch (2017-08-16 release). I have read many threads on how to setup wifi, including the ...
6
votes
2answers
3k views

Pi-zero-w HID keyboard layout

I'm setting up my pi0 as HID Keyboard. I've followed this link Pi0 libcomposite gadget. Every thing works fine, the pi is well recognized as USB Keyboard $ dmesg [ +16,318525] usb 1-1.3: new high-...
5
votes
2answers
27k views

Using single 5V relay (jqc-3ff-s-z) - safety advice required

Above is relay I'm using and everything works as expected using diagram below. I will add 1n4148 diode on IN line for safety and will connect VCC to power supply before Pi. Can I use ground (GND) ...
5
votes
3answers
2k views

Can you install a stripped-down version of linux that only runs a single, full-window app?

Trying to take my Pi Zero W and embed it in one of my projectors to create an information appliance. In other words, I don't need, or even want the overhead of a full desktop with window management, ...
5
votes
3answers
14k views

Boot Zero W from USB device

The older Raspberry Pi's (Pi 1, Pi 2 and Pi Zero) couldn't boot from a USB-device, but the Raspberry Pi 3 has support for it. The Pi and Pi 2 have semi-support for it (using an SD-card with a single ...
5
votes
4answers
10k views

Pi Camera v2.1 not working

I already checked out the other answers on StackExchange, and followed every step of this guide: https://www.raspberrypi.org/documentation/raspbian/applications/camera.md, as well as the referenced ...
5
votes
2answers
11k views

Setting up new Raspberry pi Zero W - no wlan interfaces listed

I am setting up a new pi zero w but I can't get the wifi adaptor to work. I have set up a zero w before and have setup pi 3s quite a few times. I usually just edit the /etc/network/interfaces and the ...
5
votes
3answers
12k views

Black screen using VNC with Raspbian Lite

I installed the Raspbian lite image to my SD card. After that I installed PIXEL and VNC Server using these commands: sudo apt-get install realvnc-vnc-server realvnc-vnc-viewer sudo apt-get install -...
5
votes
3answers
14k views

“Permission denied” for Raspbian default SSH password

I'm trying to set up a Raspberry Pi Zero W as a headless device on my local network, and am performing the initial setup with a fresh copy of Raspbian Stretch I've tried installing both the latest ...
5
votes
2answers
605 views

Pi Zero W not timing accurately?

Ok, I admit this a very odd issue I'm having. My setup is that I have an ultrasonic sensor that senses the distance every five seconds, and sends the data to another Pi, (a Pi 3 in this case) via ...
5
votes
1answer
512 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
1answer
13k views

Raspberry Pi Zero W as a WiFi repeater

I'm currently trying to setup my Raspberry Pi Zero W as a WiFi repeater, but the kicker is that I don't want to use another USB WiFi card. First of all, is this even possible, and if it is, what ...
4
votes
2answers
2k views
+50

Switch between wifi client and access point without reboot

I want my Raspberry Pi to be used as access point or as client connected to my internet router but not both together. So I want to switch between these two modes with one simple command without ...
4
votes
2answers
3k views

Miniconda for ARMv6 (Zero W)

I want to install miniconda on my Zero W, but it has ARMv6 architecture and that does not seem to be supported by Continuum Analytics. See https://repo.continuum.io/miniconda/ (just one outdated ARMv6 ...
4
votes
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 \ ...
4
votes
2answers
9k views

Setup Bluetooth on a pi zero w

i want to connect my bluetooth headset (not headset the smaller ones for mobiles) to my headless Pi zero w. But I can`t connect it, because it tells me there is no controller available and I want to ...
4
votes
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 ...
4
votes
1answer
2k views

Does the Raspberry Pi Zero v1.3 support TensorFlow?

Does the Raspberry Pi Zero v1.3 support TensorFlow? I came across online that the ArmV7 used in above Pi board do not have right instructions to handle the above framework? Is it true?
4
votes
6answers
7k views

SSH connection refused even though ssh file is in /boot

My image: 2017-08-16-raspbian-stretch-lite from here My Raspberry Pi: Raspberry Pi Zero W My computer: Linux (Fedora 26) What I did I followed the official instructions on how to flash the img to a ...
4
votes
1answer
2k views

Pi Zero W - Switching camera LED from program or command line

So far failing to switch the camera LED either from Python using RPi.GPIO or from the command line using /sysfs/gpio... I've tried using both GPIO5 and GPIO32 as suggested from various online sources,...
4
votes
1answer
2k views

Stuck Installing Telegram on a Pi Zero W

Here's the steps I'm taking: sudo apt-get update sudo apt-get upgrade sudo apt-get install libreadline-dev libconfig-dev libssl-dev lua5.2 liblua5.2-dev libevent-dev make git clone --recursive ...
4
votes
2answers
1k views

Pi Zero g_mass_storage not recognized by some computers until after another computer recognizes it

So the basic issue is this: once the Pi Zero with g_mass_storage is booted up, as long as there is a power source for it (like a battery, so it won't shut off) I can plug it into any windows machine (...
4
votes
1answer
2k views

Raspberry Pi Zero W - Docker

I'm trying to start resin/rpi-raspbian image on a Raspberry Pi zero w and executing the command /bin/bash: docker run -it resin/rpi-raspbian /bin/bash But I didn't get the container console with ...
4
votes
1answer
439 views

Pi Zero W reboots when connecting to wireless

I have a Pi Zero W, which works when connecting to wireless when powered via the 5v USB and also has a decent console resolution on the HDMI port. However, when powered with 3.3v using a custom ...
4
votes
0answers
692 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
169 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
4answers
16k views

How to make PCM5102 DAC work on Raspberry Pi ZeroW?

I purchased a PCM5102 for my PiZeroW, but having problems finding complete driver software information voltage information wiring information. I chose this particular unit because they seemed very ...
3
votes
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 ...
3
votes
1answer
867 views

Is it advisable to use an SD from Pi Zero in a Pi Zero W?

I have an SD card which was painstakingly set up with various functionality (e.g. necessary packages, settings, etc...) on a Raspberry Pi Zero. Now I want to replace the Zero with the Zero W (so I ...
3
votes
3answers
496 views

Is there any change in the GPIO mapping between Raspberry Pi 1 and Zero?

I'm currently building a hygrometer (according to tutorials like this https://www.sweetpi.de/blog/436/luftfeuchtigkeit-und-temperatur-mit-dem-raspberry-pi-messen) All tutorials are using the "normal" ...
3
votes
3answers
4k views

USB Mass Storage Gadget - how to convincingly emulate a flash drive?

I've got a Pi Zero W that I'm using in OTG/gadget mode. I've activated dwc2 USB, partitioned and formatted the file that is to be used as filesystem and loaded g_mass_storage. It is working fine in ...
3
votes
1answer
1k views

gpiotest problem and gpio 30

After soldering a header on my Pi Zero W I used pigpio's gpiotest utility to check for problems. I was dismayed that this produced no output and crashed the Pi. After stepping through the tests I ...
3
votes
1answer
135 views

What is the noise coming from pi zero?

I hear "futuristic" crackling nosies that are very familiar from movies. Not sure if it's coming from the pi or the power supply... the same sound is coming from BOTH the power supply and the pi. I ...
3
votes
1answer
3k views

What is the best/recommended way to do simple full-screen GUI custom drawing?

New to the world of Pi. Very impressed! We're considering using a Zero W to power an information display panel appliance which has a small list of requirements: Pulling data from the internet (and/...
3
votes
2answers
140 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
votes
1answer
89 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) ...
3
votes
1answer
5k views

Rpi Zero - Snappy Ubuntu Core

Ubuntu Core is meant to be a very light OS, which is ideal for RPi zero. Today I run a RPi Zero using Raspbian Stretch Lite, but I would be happy to run even lighter OS, as Ubuntu Core. What is the ...
3
votes
2answers
4k views

raspberry pi zero w vs raspberry pi 3?

I'm new at Raspberry world. I want to make rc drone, tank, car or something like these. should I buy pi zero w or pi 3? I think zero w is better for mobility and low energy usage. Also can I use ...
3
votes
2answers
182 views

What is eating up my data?

I have a question regarding the data usage of one of my USB 3G modems. I am currently using a Huawei E303 USB 3G dongle in a Raspberry Pi Zero W, with a normal SIM-card. I am running the RPi without ...