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Questions tagged [pi-zero-w]

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

-3
votes
1answer
57 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
14 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
28 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
17 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
76 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
36 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
21 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
64 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
17 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
26 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
37 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
50 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
85 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
32 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
35 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
37 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
54 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
23 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
40 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
29 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
32 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
26 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
38 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
33 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
149 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
78 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
18 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 ...
0
votes
1answer
45 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
vote
1answer
47 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
31 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
vote
1answer
47 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
vote
0answers
15 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 ...
1
vote
0answers
70 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
vote
1answer
20 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
votes
1answer
35 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
votes
1answer
74 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
votes
0answers
73 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 ...
0
votes
0answers
82 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
vote
0answers
146 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
votes
1answer
92 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
vote
1answer
87 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
votes
1answer
148 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
vote
1answer
48 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
votes
2answers
161 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 ...
0
votes
0answers
36 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 ...