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Questions tagged [pi-zero-w]

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

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1answer
171 views

Using FLIR Lepton3 module with Raspberry Pi 0 W low frame rate issue

I'm trying to use FLIR Lepton 3 module with Raspberry Pi 0 W board running Raspbian 9 Stretch. I followed all official FLIR recomendations: connected Lepton module to Raspberry in the correct way (...
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0answers
20 views

How to attach two raspberry pi zero w together with sepatate independent displays?

How do I attach two raspberry pi zero w's together with sepatate independent displays to function as "one computer with extended display on two panels"? The two displays are HDMI with usb touch (7 ...
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0answers
49 views

How to attach Air208 GSM micro sim card board to raspberry pi zero w that already has display attached on GPIO

I have a Air208 GSM micro sim card board that I want to attach to my raspberry pi zero w to make calls. The issue is that I already have a 3.5" tft display attached to the pi zero w via GPIO (header ...
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2answers
148 views

File transfer between raspberry pis via GPIO pins

I'm trying to send image(3MB) captured by one pi to another pi, external WIFI or setting up one pi as AP is not possible due to strict regulations, all I can use are the two wires. Currently I'm ...
1
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1answer
75 views

Can't get HC-SC04 Sensor to work

I'm using a Pi Zero W with a soldered project board to interface two ir Sensors and trying to make an HC-SR04 sensor work. I'm using the 5v supply to power all three sensors. I've set up a Motion.py ...
1
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0answers
61 views

DS18B20 temp sensor works on Pi 3B+ but not Zero W

I have a breadboard prototype working with a cabled (waterproof and regular temp) DS18B20 sensor and a AM2302 sensor on a 3B+. All is well with it recording at a set interval from each sensor. I'd ...
1
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1answer
106 views

Risks of powering short LED strip directly from GPIO

I am trying to understand the simplest ways to power a short LED strip of 30 WS281x lights. Most of the instructions I’ve found mention using a separate power supply for the LED’s, but is it ...
1
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0answers
16 views

Wifi stops working (on my laptop) after connecting rpi as ethernet gadget

So I am using a raspberry pi zero W as an ethernet gadget. I got ssh working and the RNDIS/Ethernet Gadget thing working so I can log into the pi using pi@raspberry.local. I even got VNC to work so ...
2
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1answer
265 views

Can't connect to Raspberry Pi Zero W over USB SSH

I'm trying to login to my Raspberry Pi Zero W via SSH over USB, as in this article https://desertbot.io/blog/ssh-into-pi-zero-over-usb and this one https://www.thepolyglotdeveloper.com/20 ... cable-...
1
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1answer
32 views

Can't find /boot nor etc folder in downloaded NOOBS in SD Card. Need to add wpa_supplicant.conf file to connect to wifi on first boot in headless mode

I have downloaded NOOBS on an SD Card to install in my Raspberry Pi Zero W. I will boot it for the first time in headless mode (because I do not have access to an HDMI monitor) and for that i need to ...
2
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1answer
60 views

Speed up initial connection to AP through wifi

I have a Raspberry Pi Zero W-based device that records data from sensors. The device is mobile so it gets out of access point's range several times per day. When the device returns to the access ...
3
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1answer
94 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 ...
2
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0answers
180 views

Detect if a host is connected (gadget mode)

Device: Raspberry Pi Zero W v1.1 State: Pi Zero is running in gadget mode, acting as a USB Mass Storage device (seen by / mounted on a MacBook Pro). Question: What is the best way to detect whether ...
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0answers
127 views

Install CentOS 7.6.1810' on Raspberry Pi Zero HW

Have a Raspberry Pi Zero HW v1.1 and want to install CentOS 7.6.1810. When download the file CentOS-Userland-7-armv7hl-RaspberryPI-Minimal-1810-sda.raw.xz and after unzipping I use Etcher to flash the ...
1
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0answers
156 views

Error unknown machine command despite compiling without errors

I recently made a project using opencv 4 on my raspberry pi 3 b+, but then decided to port the whole project to a new raspberry pi zero, as I want to make it a permanent setup and want to keep my py 3 ...
0
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1answer
334 views

SSH over hotspot network?

I have looked through here a bit and seem to have a unique situation I'm trying to address. I have an iphone with my hotspot enabled. I connect to the hotspot with a raspberry pi zero w over wifi. I ...
1
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1answer
165 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 ...
-1
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1answer
411 views

Installing Raspbian from NOOBS without a keyboard, mouse and display

I have a RPI 0 W, a 8GB Micro sd card with NOOBS on it. I want to install the Raspbian on RPI 0 W. Is it possible to do so with the help of my laptop? If yes, how should I proceed? If not, what else ...
1
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1answer
67 views

RPi Zero W as HID keyboard disconnects after connecting

So, I have configured and reconfigured the Pi Zero multiple times now for it to behave like a HID keyboard. It appears as a keyboard as well, but as soon as it is connected, it gets disconnected. ...
3
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2answers
174 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 ...
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0answers
73 views

Make a portable HTPC with Tv tuner

How can I make a portable HTPC with usb Tv tuner? I've got a Raspberry pi Zero W with usb hub, and an USB Tv tuner. I want to use this in a truck, I mean I want to watch movies with kodi, and watch ...
1
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0answers
32 views

Command to open Wireless and Network Settings GUI?

I want to add a button on the Main menu to open the Wireless and Network Settings control panel. I am using Raspbian Jessie with all the defaults, aka lxpanel. I'm using the RPi0W The reason why I ...
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0answers
33 views

Erratic motor behavior from a Pi being controlled through a websocket

I'm in the process of trying to put together a small "robot" that can be controlled over the internet. I'm trying to get the code for the drive motor controls down now, and I've hit an odd issue. ...
0
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2answers
105 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 ...
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0answers
74 views

Keyboard HID Emulation for the Nintendo Switch

I'm working on setting up a Raspberry Pi Zero W as a sort of TASBot for my Switch. So far I've followed the tutorial at http://www.isticktoit.net/?p=1383 and it works fine for outputting keys to ...
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0answers
79 views

Pi Zero W as AP

I want to use Pi Zero as a compact router for classroom work. It can be quickly powered up and swithed off. It can both host some small web, and also serve as pathway to the Internet, as it is ...
1
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0answers
69 views

Toggle UART (enable_uart=1) without rebooting

Which pins can can I manually toggle to enable or disable UART on a Raspberry Pi Zero or 3B+ without rebooting? As I understand, /boot/config.txt is parsed before Linux is started, but I don't mind ...
1
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0answers
52 views

Max number of DC motors supported on a pi zero w

I'm in possession of a pi zero w. I have purchased two L9110s modules and connected 2 coin vibration motors (80mA) on each of them. The modules are powered by an external power battery bank rated 5V ...
1
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0answers
71 views

raspistill quality issues: single photos vs timelapse

For some reason there seems to be a huge jump in quality when using the -tl switch for a timelapse over individual pictures. raspistill -t 1 -o /mnt/usb128/photos/test%016d.jpg -ex auto -awb auto --...
1
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1answer
329 views

Can the DS18B20 be parasite powered without external pullup?

I have a DS18B20 temperature sensor which I am trying to use in parasite power mode with only two wires (data line and ground) with my Raspberry Pi Zero W. I've connected it to the RPi in the ...
1
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1answer
207 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%...
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0answers
77 views

StromPI UPS on Pi Zero

Has anybody used the StromPi UPS with a Raspberry Pi Zero, and if yes, which version? I'm asking because the Pi Zero is not in the manufacturer's compatibility list (probably not a big deal with the ...
1
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1answer
418 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
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0answers
273 views

Use mobile as remote via Bluetooth

I got Libreelec on my Pi Zero W, and I want to use my phone as remote over Bluetooth. How can I do that?
0
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0answers
296 views

Stream video from Raspberry Pi Zero with fixed frame rate, any latency

I'm looking for assistance with wirelessly streaming video from a (headless) Raspberry Pi Zero and pi NOIR v2 camera module. I'd like to collect data for a machine vision application with a fixed ...
0
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0answers
295 views

Pi Zero freezes with using camera recording / motion detect programs

I am having problems with a wildlife cam project I am working on. setup: Pi Zero W Stretch 2018-11-13 Pikrellcam with settings: 1024x768 12 fps 3,5 Mbitrate However, the pi frequently freezes. I ...
0
votes
1answer
79 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 ...
1
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2answers
2k 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
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0answers
239 views

MAX7219 7-segment via SPI not working

I am following these instructions to get a simple 7-segment display working: https://github.com/rm-hull/luma.led_matrix My problem is that as soon as one of the 3 SPI Pins are connected the digits ...
0
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2answers
665 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 ...
0
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0answers
666 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
34 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/...
2
votes
3answers
472 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 ...
0
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0answers
89 views

Wrong X and Y touchscreen axis after screen rotation on Raspberry Pi 3B+ and Raspberry Pi zero w

I can successful rotate the screen with display_rotate=1 (and display_rotate=0 to return back to landscape mode). But, I cannot get the X and Y axis to work correctly after the rotation. How can I ...
0
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0answers
300 views

Raspberry Pi w/ Pi Cam streams video great to Mac but not to iPhone

I set up my Raspberry Pi Zero W to stream video using this tutorial on how to implement RPi-Cam-Web-Interface. https://elinux.org/RPi-Cam-Web-Interface I then set up the Pi to be an access point so ...
1
vote
1answer
255 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
261 views

What tool should I use to cut off the GPIO pins?

I would like the make the Pi Zero W smaller and cut off the part of the PCB that holds the GPIO pins. What tool should I use to do so? Is a Dremel/rotary tool too destructive? I'm thinking an XActo ...
0
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0answers
167 views

MLX90640 on an 800x480 screen

Has anyone attempted to set the display resolution of a Melexis MLX90640 thermal camera connected to a Raspberry Pi Zero to around the 800x480 or any other than the original 32x24? If so, how did it ...
1
vote
1answer
86 views

Initialize CSPRNG on boot to bootstrap entropy faster

I found that when using the firebase_admin library, first time runs of my script would error running, but would eventually start working. The problem has been isolated to the way the Python ...
1
vote
1answer
775 views

Kali tools on raspbian?

Is it possible to install Kali tools on Raspbian? I have tried Katoolin but I keep getting a segmentation fault error when fixing the dependencies and getting stuck in a loop where "it is not going to ...