Questions tagged [pi-zero-w]

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

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Zero-W Mail Server Setup

I would like to host a 'light-weight' mailserver on a raspberry pi and would like to host it on a rPi Zero-W. Specific objectives / requirements are: Send / Receive messages less a total of less ...
3
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1answer
44 views

Is my Pi Zero W overclocking? Why does it disconnect?

I've got a Raspberry Pi Zero W which is connected to a 4 relay module, servo motor, and IR sensor. It has two functions: first, it operates continuously, watching the IR sensor and, when tripped, it ...
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33 views

RPi Zero W kernel shoots messages

I want to update my RPi 0 and i can't because the kernel is writing Messages with hex code that it failed but i can't fix that or even now whats going on. only using "sudo apt-get update" https://...
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0answers
51 views

Pi freezes when running a script

I'm trying to set up a trap camera using a brand new Pi Zero W with Raspbian Buster but it freezes when I run the python scirpt. originally the code was a bit complicated with multithreading, email ...
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61 views

What is the purpose of the sharpie marks on some Pis

I recently obtained a Pi Zero W and there was what looks to be a sharpie mark besides the trapezoidal antenna beneath the Broadcom chip and besides the micro usb port. I subsequently went on google ...
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41 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
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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-...
2
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3answers
314 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 ...
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44 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
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1answer
42 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 ...
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41 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
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2answers
91 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
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1answer
76 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
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0answers
27 views

Pin Crosstalk Issue [closed]

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
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2answers
36 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
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1answer
100 views

Programming MLX90640 to display what I want [closed]

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 ...
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0answers
65 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
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1answer
219 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, ...
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0answers
16 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 ...
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0answers
249 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
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0answers
112 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
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0answers
42 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
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1answer
87 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
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2answers
93 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
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1answer
28 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
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1answer
66 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....
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0answers
20 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
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1answer
287 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
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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 ...
-1
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1answer
271 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 ...
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4answers
534 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
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1answer
20 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
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1answer
38 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 ...
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0answers
231 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
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1answer
126 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
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1answer
744 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 ) ...
2
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0answers
60 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 ...
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0answers
17 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
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2answers
64 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
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1answer
194 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 ...
2
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2answers
210 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 ...
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0answers
25 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,...
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0answers
30 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
93 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 ...
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1answer
183 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 ...
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0answers
34 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
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1answer
55 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
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1answer
18 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?
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0answers
96 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 ...
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0answers
62 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 ...