Questions tagged [pi-zero-w]

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

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44
votes
3answers
213k views

How do I make serial work on the Raspberry Pi3 , Pi3B+, PiZeroW

My Pi3 serial console produces rubbish and fails to respond to the keyboard.
0
votes
1answer
444 views

Connection failed between raspberry pi zero w and android via bluetooth LE

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 ) ...
27
votes
2answers
37k 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 ...
3
votes
2answers
1k views

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
1answer
11k 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 ...
1
vote
1answer
510 views

Can a Raspberry Pi Zero W be turned into an USB WiFi dongle to any USB Host like x86 PC or mini-PC?

In a project, I want to use Raspberry Pi Zero W as an USB wifi dongle to my USB Host(PC). Currently only station mode needed, but I would like it has AP mode either, just like a real Wifi Dongle. Is ...
5
votes
2answers
24k 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) ...
1
vote
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 ...
1
vote
2answers
1k views

Reliable way to play sound (ogg, mp3) in Python, on Pi Zero W

I have been trying to find a reliable method to play sound on my Pi Zero W, in Python. By default, Zero does not have audio output, but I have set up an I2S amp and speaker, following this guide: http:...
0
votes
1answer
7k views

The Pi Zero W has 5v and 3v rails. What is the max current per GPIO pin on the 5V rail?

What is the max current per GPIO pin on the 5V rail of the Pi Zero W? Also, can I power a 5V relay (4 channel, each requiring 15-20 mA) from this rail? If not, does anyone know of a 4 channel relay ...
5
votes
3answers
11k 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
13k 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 ...
1
vote
4answers
6k views

How can I enable auto-login with Raspbian Stretch Lite?

I recently bought the Pi Zero W and am attempting to run it headless. I added the wpa_supplicant.conf file + the ssh file to the boot partition on the SD card. Booted the Pi up (with HDMI connected ...
1
vote
3answers
167 views

/boot/wpa_config being copied with wrong permission

I plug the micro SD into my MacBook. I then save a correct /Volumes/boot/wpa_supplicant.conf with file permissions with 777 (default when creating files into the FAT partition). Then, when I move back ...
1
vote
1answer
151 views

How can I diagnose a headless Raspberry Pi Zero W that hangs?

I'm trying to run my Pi Zero W as a motion detecting camera using RPI cam web interface but it keeps hanging after a few hours at most. Before it hangs, it can record motion detect videos and upload ...
0
votes
1answer
3k views

Why is Bluetooth address now showing up as AA:AA:AA:AA:AA:AA?

The issue I'm having is with my Raspberry Pi 3. I'm running this CLI-only with the Raspbian Jessie Lite build. At some point in using this device, my Bluetooth address changed to AA:AA:AA:AA:AA:AA. I ...
21
votes
8answers
54k 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? ...
13
votes
6answers
34k 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/...
8
votes
4answers
32k 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
6answers
27k 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 ...
7
votes
1answer
657 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 ...
4
votes
0answers
154 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
0answers
577 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 ...
3
votes
2answers
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 ...
1
vote
0answers
546 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 ...
1
vote
1answer
948 views

Having both a WiFi client and an Access Point on Pi Zero

I have read this thread:rpi-zero-w-as-both-wifi-client-and-access-point And I have followed the instructions in this post:raspberry-pi-3-wifi-station-ap Initially, I was getting errors on the AP but ...
1
vote
1answer
5k views

New Pi Zero W brcmfmac failures and can't start wlan0 WiFi

I have to set this up headless because I didn't realize the Zero W had mini HDMI and not micro. So I flashed both the 2017-04-10 Raspbian light and full from Linux (with dd) and then mounted the FAT ...
1
vote
1answer
152 views

Mini UART Bluetooth PAN on Pi Zero W

I followed these instructions to enable a Bluetooth PAN on my Raspberry Pi Zero W. It mostly works fine, but it occupies a serial port. I need UART (mounted at /dev/ttyAMA0) for serial communications, ...
0
votes
1answer
1k views

Bluetooth disconnect

I solved my previous Bluetooth issue, but now my problem is that every time I try to connect something (per Bluetooth) with the Pi Zero W it disconnects very quickly. If I try to connect it to my PC, ...
4
votes
1answer
1k 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?
3
votes
3answers
482 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" ...
2
votes
3answers
399 views

Powerbank Qualcomm 3 fried my Pi Zero W

I tried running a Pi Zero W on a 10000 mAh powerbank with qualcomm quickcharger capability (https://www.biltema.se/kontor---teknik/mobiltillbehor/powerpacks/powerpack-10000-mah-2000041816) . The ...
1
vote
1answer
169 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 ...
1
vote
1answer
349 views

What happens if I force_turbo (and over_voltage) but do not increase ARM, etc

I have had issues with running RPI cam control and pikrell cam on Pi Zero W and found a post where it was recommended to use: over_voltage=4 force_turbo=1 (https://www.raspberrypi.org/forums/...
1
vote
1answer
191 views

raspistill timelapse stops producing output

So I'm trying to run a timelapse for 24-36 (or until storage space is full) but raspistill seems to stop producing output after anywhere from 50-300 stills. raspistill -t 129600000 -tl 5000 -o tlapse%...
0
votes
1answer
74 views

fbi application frozen and/or raspi frozen?

I'm running an electronic photoframe based on a Pi Zero W running Stretch lite 2018-11-13. The photoframe boots the auto login and starts a script that run "fbi" in loop to display images found in a ...
0
votes
1answer
606 views

How do I get my I2S microphone on a Pi zero W working again after running rpi-update?

I have an I2S breakout microphone from adafruit which I got working last week. However due to problems with my pi camera I ran rpi-update, and following this my microphone is not working. I ...
0
votes
0answers
1k views

Raspberry Pi zero W (headless) bluetooth audio setup problem

I want to run a Python3 script with a text to speach engine called pyttsx3 to read some text via bluetooth.Unfortunally it does´t work. So what I have done is this: First I have setted up a new ...
0
votes
2answers
164 views

No Internet, can ping to IPs but not hostnames

I have a raspberrypi zero w using pivpn, was working fine until I upgraded to stretch, now I can still to it via the vpn and do ssh, but I have no internet. Trying a few things in the pi, when I do a ...
0
votes
1answer
406 views

I have enabled ssh with pi zero w, but can't connect to the internet

I have finish flashing Raspbian to my sd card and I edited the config.txt and cmdline.txt files and added an ssh file. Then I connected my pi to my computer via usb. I used putty to login and ...
0
votes
2answers
90 views

DNS finds ip but cannot ping address

New to this so sorry for any mistakes. I’m trying to get my Raspberry Pi Zero to ping ‘www.google.com’ but I just get 100% packet loss. I can ping 8.8.8.8 perfectly fine, as well as my home router ...
0
votes
2answers
574 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 ...