Questions tagged [pi-zero-w]
For questions specific to the Pi-Zero W (with WiFi and Bluetooth)
418
questions
0
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0answers
20 views
Can the Raspberry Pi Zero W receive data from multiple Bluetooth Low Energy peripherals simultaneously?
Does the Bluetooth radio on the Raspberry Pi Zero W v1.3 allow it to receive data from multiple Bluetooth Low Energy peripherals simultaneously?
2
votes
2answers
1k views
Using 5v device on 3.3v
I got a flowmeter that is operating at 5v (basically an enclosed hall effect sensor and magnet). It needs a pullup resistor of between 1.6k - 2.2k between sig and vcc.
( https://www.conrad.com/p/bio-...
1
vote
3answers
31 views
chromium-browser --headless 'errors' stopping script in Crontab
I have a script that works out the version number of todays Guardian crossword and makes the url address that I want to print from (I can wget a pdf and print that, but I (well my wife) prefers the ...
0
votes
0answers
23 views
script works if I run it once, if I run it in a while loop the Pi freezes
I have this python code that on motion detected send images via email and record videos locally (note the commented line):
from gpiozero import MotionSensor
from picamera import PiCamera
from time ...
1
vote
1answer
29 views
Using RPi Zero W as Bluetooth smart device
I'm trying to setup my RPi Zero W as a Terrarium Controller and I want to be able to create an Android app to control the settings and and such over Bluetooth. I've found tons of tutorials on setting ...
0
votes
0answers
38 views
Internet Through USB
Is it possible to get an internet connection for a Rasberry pi zero from a USB connected to a Win 10 pc?
or is it possible to connect to a Bluetooth wifi Hotspot without an OS on a Rasberry Pi Zero?
2
votes
2answers
48 views
Can I drive a custom LED matrix from my Pi
I have an idea for a project, but I am unsure of the best route to take.
I am going to create a custom 11x10 LED matrix (addressable LEDs like WS2812) with the intention of lighting up certain LEDs ...
2
votes
1answer
71 views
are the Zero and Zero W software compatible?
I'm having problems on a brand new Zero, I prepared the SD on a Zero W to install updates and other via internet, I disabled bluetooth and I left wifi enebled in case I'll need to change something on ...
2
votes
0answers
26 views
Pin Crosstalk Issue
I'm working on a quick project with my dad for his condo. He wanted to setup a bunch of moisture sensors around the condo near sources of water (sinks, bathtubs, toilets, etc), which, if triggered, ...
1
vote
1answer
28 views
C Raspberry Pi Zero w, read out button matrix
I have trouble reading out an button matrix with my raspberry pi zero w.
I am using pigpio for reading out the gpios, but I don't think this is a software issue.
This is my source code:
#include &...
1
vote
1answer
24 views
Programming MLX90640 to display what I want
Yay. Got my MLX90640 working and boy it works great. However, the ambient temp of around 20C keeps showing as a green background and i would like it to be blue or even grey. Has anyone attempted to ...
0
votes
0answers
61 views
Should I buy a pi zero with my Pi 4 4GB
I am buying a raspberry pi 4B with 4GB of ram and I was wondering what the connectivity between raspberry pi 4 and Pi Zero is like?
Do they communicate well? and what software do you suggest?
Is ...
1
vote
1answer
53 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
0answers
12 views
Loading root file system from NFS
I managed to simulate a Cluster HAT like environment with a Linux machine.
I launched rpiboot with the modified config.txt, cmdline.txt and initramfs (which is missing from the original setup but is ...
0
votes
0answers
37 views
How can I setup USB OTG with a Raspberry Pi Zero W and an iPad over USB-C using Arch Linux?
Arch Linux
systemd-networkd
I want my Raspberry Pi Zero W to show up as an ethernet device to my iPad. It is doable. It's been proven to work.
The problem is in the details. After ensuring there is ...
2
votes
0answers
37 views
Use RPi Zero W as a Pure Wireless Router [duplicate]
I want to use a RPi Zero W as a completely wireless router. The built-in wireless device (wlan0) will be used to provide a local wireless network, and a secondary usb wireless device (wlan1) will be ...
2
votes
0answers
25 views
Dropped wifi packets from Pi Zero W to Pi 3B+
We're trying to build a system where a master Pi 3B+ controls a dozen (or more) Pi Zero W clients - all running the latest raspbian (as of 18:00 EDT today) - in an isolated WiFi island (no ...
2
votes
1answer
66 views
How to map rpi-zero hid-gadget from us to german?
I’ve tried to map my RPI Zero HID-Gadget in a sh file, here is my sh file.
I tried to exchange a normal german keyboard by swapping kbcodes from us-keyboard to german-keyboard layout, but if it is ...
-4
votes
2answers
85 views
What capacity battery would I need to run a raspberry pi zero w for 10 years continuously?
It would run an alarm clock /time lock set up to send a signal or switch on a servo operated lock after 10 years. I don't know specs or power need for servo, might be separate system (and a separate ...
1
vote
1answer
18 views
RC522 modules stop working when more than 2 are connected
So, here's a synopsis of what I am trying to do. I want to put 3 RC522 readers side by side inside of a book, facing the cover, that will be constantly on, using a Rpi zero W. When an RFID chip gets ...
0
votes
1answer
38 views
Kernel panic - not syncing - What are some hypothesis for the root cause?
Kernel: Linux 4.19.42+ #1219 Tue May 14 21:16:38 BST 2019 armv6l GNU/Linux
Hardware: Rasppery Pi Zero W
cat /etc/issue
Raspbian GNU/Linux 9
Kernel panics happen after a day of running with no issues....
1
vote
0answers
18 views
Raspberry pi zero as keyboard controlled over wifi possible?
Hello I want to have a pi zero W create a wifi hotspot(no internet connection). I then want to connect to the wifi hotspot and ssh into the pi. From there i want it
to send keystrokes as a HID ...
0
votes
1answer
103 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. ...
1
vote
1answer
37 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 ...
-1
votes
1answer
38 views
Serial Communication of <raspberry pi zero w> with <arduino nano>
Background
I'm trying to control some motors by raspberry pi zero w.
I did, but the PWM produced by Software was unstable. So I decided to use arduino uno with zero.
(Zero is required because I ...
1
vote
4answers
100 views
Connecting Raspberry Pi Zero W to ethernet and serving as WiFi access point
I have an ethernet port in a room where I would like to improve the WiFi connection, and I have a Raspberry Pi Zero W lying around.
Is there a way I can connect the Pi to the ethernet port and have ...
1
vote
1answer
18 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 ...
0
votes
1answer
33 views
How to connect components of an RC (and rPi) car to the battery safely?
I am building an RC car from scratch. I have a 6v motor with an appropriate mdb, a 5v hobby servo, a raspberry pi zero w, and an 2200mAh 11.1v 50 C battery. I will upgrade the motor to a higher ...
0
votes
0answers
57 views
Extremely slow ssh on RPi Zero W
I have installed
postfix
dovecot
fail2ban
postgray
daemons on top of the
Linux mail 4.14.98+ #1200 Tue Feb 12 20:11:02 GMT 2019 armv6l GNU/Linux
Also, I have connected rpi0 to another rpi over ...
0
votes
1answer
61 views
WittyPi on Pi Zero W - I2C read / write fail
I've connected WittyPi2 (an RTC Power Management hat) to my Pi Zero W - but I'm constantly getting failures in the log, to do with the I2C communication:
I2C read 0x01 0x68 0x09 failed (result=), and ...
0
votes
1answer
147 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 ) ...
1
vote
0answers
34 views
Waking computer with raspberry pi zero usb keyboard gadget
I've been trying to set up a raspberry pi zero as a keyboard gadget, hoping i could wake a laptop (No ethernet) with it. I would also be able to encrypt it and send the password, which is an added ...
0
votes
0answers
16 views
How can I make this setup refresh the files visible on the SMB server when files are added via usb?
I am trying to get this device
https://www.raspberrypi.org/magpi/pi-zero-w-smart-usb-flash-drive/?fbclid=IwAR1GbWFUUhoGW8_enGVy9vwQLo-83pPKYnG_fsgZ1_uKuM75lq7bNw9PW6E
Working in such a way that ...
0
votes
2answers
56 views
Is 5V out on the Pi Zero W unregulated?
I want to power a 5V relay breakout board from a Pi Zero W. I believe the 5V pads are "raw" and a "pass through" voltage? Is this correct?
1
vote
0answers
65 views
Streaming music from raspotify to bluetooth audio speaker
I'm trying to create a raspberry pi which streams spotify music to a bluetooth speaker. I have a raspberry pi zero w with the latest version of raspbian stretch lite. I have my bluetooth connection ...
1
vote
1answer
93 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
votes
0answers
21 views
Can't SSH into device after a few days, but device still has active internet connection
NOTE: I have found similar issues as what I describe below (namely this), but none of them apply to my issue.
I have an RPi0W connected to wifi, running headless, and connected to a Firebase database,...
0
votes
0answers
25 views
Wireless and bluetooth suddenly stopped working
My raspberry pi zero w was lying useless since a year because the wireless and bluetooth interfaces were not showing up.I thought it was a hardware problem but this year after the April release of ...
2
votes
1answer
90 views
Any way to add more GPIOs to the AIY Voice Kit?
I'm working on a project using the google AIY Voice Kit V2 as a base. I'm planning on adding a keypad which requires 12 GPIOs. Does anyone know of a way to add more GPIOs to the Pi Zero W with AIY ...
-1
votes
1answer
63 views
Using pi to host small wireless network - Hostapd configuration not working
I am trying to set up a small wifi network (offline) using the guide found here.
https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md
Below I have given my terminal ...
1
vote
0answers
30 views
Cannot SSH from pi zero to pi zero over OTG USB
I am running Raspbian Stretch Lite
Linux testpi1 4.14.98+ #1200 Tue Feb 12 20:11:02 GMT 2019 armv6l GNU/Linux
I am able to SSH to my pi zero over the OTG USB cable as many guides online have ...
0
votes
1answer
37 views
How to develop with a Pi Zero W and a Windows 10 laptop (in a car)?
I have a commute of several hours every day, as a passenger, so figured that I might as well make use of the time and learn C/C++ development on the Pi.
I comfortable & confident happy with C/++ ...
1
vote
1answer
15 views
Using additional Raspberry Pi wifi connections
Successfully I connected my Pi with my wireless connection and it's working properly. But if I need to go outside like a college or my friend's home. Then how will I connect the Pi?
0
votes
0answers
32 views
Raspberry Pi Zero W can't connect to iPhone hotspot
I have booted my pi with Raspbain Stretch Lite and I have been able to establish an internet connection to my home network by configuring the wpa_suppicant file. However, I am not able to establish a ...
1
vote
0answers
47 views
wifi setup after changing wifi-direct settings
I followed these wonderful instructions on setting up wifi-direct, but now I need to be able to set up regular wifi after that.
Here's what I'm trying to do. Trying to set up the Pi Zero W to do what ...
0
votes
1answer
38 views
Transfer JPG over serial between 3B+ and Zero W
I would like to start by saying that I am rather new to Raspberry Pi, but I have programmed Arduino. At the moment I am trying to get a Pi Zero W to transfer a JPG over serial using python and the ...
1
vote
1answer
252 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 ...
0
votes
1answer
93 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 (...
0
votes
0answers
17 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 ...
0
votes
0answers
27 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 ...
