Questions tagged [pi-zero-w]

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

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18 views

Using python socket with raspberrypi.local as ip

I have a raspberrypi zero 1.3 and am connecting to it by enabling local ssh as instructed here and using raspberrypi.local as the ip to connect with using putty and winscp. I would like to connect to ...
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1answer
23 views

Installing docker on a Pi zero W (or a pi zero2)

I am Trying to install docker on a 32bit Arm. Has anyone succedded and has a modus operandi?
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24 views

Failing to connect to Pi Zero W using headless SSH (USB Connection)

I'm trying (and failing repeatedly) to connect to a Pi Zero W using SSH over a USB connection. I know this question has been asked before, but trying the solutions brought up in those threads has ...
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1answer
34 views

Mcp3008 python2 code not working properly on python3 [closed]

I am trying to port a functional code from python2 to python3 which uses an mcp3008 on a pi zero w to read data from a potentiometer and an analog feedback servo motor on channels 0 and 7 respectively....
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13 views

Raspberry Pi Zero W with SparkFun Pulse Oximeter and Heart Rate Monitor (MAX30101 and MAX32664 )

I am trying to read data by connecting Raspberry Pi Zero W with SparkFun Pulse Oximeter and Heart Rate Monitor (MAX30101 and MAX32664). SparkFun has provided the code for Arduino Library Any ...
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28 views

What version of HDMI do the Raspberry 4 and the Zero W have?

I expected this to be easy to determine by googling, but apparently not. What version of HDMI (e.g. 1.4, 2.0 etc) does the Raspberry Pi 4 have? What about the Zero W? Thanks.
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1answer
25 views

Optical drive freezes when reading media

When reading optical media, dmesg shows a message like one of the following: [ 115.013295] blk_update_request: I/O error, dev sr0, sector 343608 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 ...
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1answer
34 views

Unable to ping or ssh into Raspberry Pi zero w from a Windows 8.1 PC but could successfully ping & ssh into it via a Windows 10 PC on the same network

I have a Pi Zero w. it has been set up with a standard rasbpian imager and OS and latest files off the OEM website. the boot drive also has an ssh file and a wpa_supplicant.conf file with necessary ...
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21 views

Raspberry Pi Zero W as a wi-fi adapter

I want to use my RPi Zero W as an wi-fi adapter for PC. Is there a way to do it and how to do it? I'm thinking connecting RPi Zero W to a wi-fi network, and pass the internet to the PC via USB(...
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30 views

Raspberry Pi Zero W drops Wi-Fi connection despite Power Management: off

Raspberry Pi Zero WH with fresh copy of latest Raspberry Pi OS Lite. It is running Rhasspy voice assistant, which has a web interface. I have keyboard and HDMI connected, but wanting to run headless,...
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1answer
54 views

Pi Zero - GPIO Lag

Summary: I have been trying to write a robot tank using a Raspberry Pi Zero W in Python and am running into an issue wrt to lag. The left motor moves 100-500ms before the right motor (or vice versa), ...
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2answers
28 views

Can I plug my SD card from Pi Zero W into a Pi 3A+?

I currently have a fully updated Pi Zero W running octopi, but its hardware is limited, and I would like to upgrade. Can I take the SD Card from the Zero W and use it in the 3A+? Are there any steps I'...
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1answer
112 views

Audio output on Raspberry pi Zero W

I was trying to take an audio output from piZero-W, the article I followed was, this one. How to get audio through the gpio pins to a 3.5mm jack? When running - systemctl status alsa-state the result ...
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1answer
24 views

How to connect keypad to Pi Zero

I've tried to find info but with no luck. I'm trying to make a project - barcode scanner - using RPI zero. I need a keypad to input quantities when I scan a barcode. I am unable to find any phone-...
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16 views

Scrolling text on MAX7219 dot display is lagging occasionally, not sure how to fix

I am using the max7219 library from luma.led_matrix.device import max7219 However, if I use 12 8x8 dot displays in series, the scrolling font lags on random occasions. It looks like it lags for some ...
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46 views

raspberrypi.local on putty not working for raspberry pi Zero 1.3

I followed the following steps to set up my sd card to make a raspberrypi zero W connect via usb cable. Initially I always received the error message "Unable to open connection to raspberrypi....
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1answer
39 views

Pi Zero extra I2C pins

My use-case is to have multiple sensors with the same I2C address attached to the PI and also a LED screen that I want to attach on it's own. I found that there is a software level overlay BUT it is ...
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0answers
40 views

Has the Raspberry Pi Zero enough power to act both as a Pihole and a print server?

My family has a vacation home were there is an old printer that does not have Wifi. The house also lacks an ad blocker so i thought: why not fixing both with a Raspberry Pi? I still have an unused ...
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1answer
41 views

GPIO 19 always on even after shutdown - Troubleshoot tips?

Connected a LED to GPIO 19 (Pi Zero W) and it is always on, only turns off when I disconnect the power. Even after the shutdown command, stills on. $ sudo shutdown now Ran the code below and it didn'...
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0answers
33 views

How to calculate yaw using 10 DOF?

I've recently purchased the Waveshare 10 DOF IMU Sensor which also contains the IMU 9250 and the . I've wrote a simple code for calculating the roll and pitch of the device which works, but I can't ...
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0answers
25 views

GStreamer stops after a few minutes

I'm currently setting up a PiCam on a Pi Zero low latency streaming setup to another Raspberry Pi. The pipeline I got going on works wonderfully except the Pi Zero seems to stop streaming after ~10-15 ...
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0answers
18 views

Ethernet from router to raspberry pi zero W

Is there a way to plugin a raspberry Pi Zero W in to a WIFI router like BT smart hub 2 and it get internet through the usb port
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1answer
105 views

Pi zero W eating 1600 mAh battery in few minutes

I'm not sure if this is standard behaviour or whether I'm doing something wrong. I wanted to have a pizerow operating remotely on my roof without the need to bring electricity there. The plan was to ...
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1answer
55 views

Nintendo Switch thinks RPi-hosted WiFi Network has a captive portal when it doesn't?

I have a hostapd/dnsmasq WiFi network hosted by my Pi Zero W. I have it so I can play multiplayer video games with friends when no WiFi is available. It does not have internet access. For the Nintendo ...
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1answer
108 views

How to troubleshoot VPN returning segmentation fault on a Pi Zero W or Did I fry my Pi?

My headless Pi Zero W gives a segmentation fault whenever I run the ExpressVPN application. This problem occurs on a brand new Sandisk Ultra microSD card, imaged with Raspbian Lite 32 bit via the ...
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1answer
99 views

Raspberry Pi Zero W only accessible when connected to HDMI

I have a Raspberry Pi Zero W running Arch Linux ARM (Linux 5.10.59-1-ARCH), configured to connect to my local WiFi network. If I take the Pi, connect it to a display via a mini-HDMI adapter and apply ...
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2answers
72 views

RPI0 W unable to read UART data

I have enabled uart serial port /dev/ttyAMA0 on my raspberry pi zero W. I was able to successfully connect the rpi uart rx and tx pins and check if i'm able send and receive data between these rpi ...
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1answer
79 views

Rpi 0 W, wifi no scan results

I have this freshly bought Raspberry Pi 0 W. I created a USB connection between the rpi and my laptop (ubuntu 20.04) and I ssh-ed into the rpi. The OS on the pi is Raspberry OS Lite. Using a microSDHC ...
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1answer
105 views

Kernel panic when using apt on RPi Zero, RPi OS Buster

I’m getting ’kernel panic’ when I try to use apt (or apt-get) to install a package or update/upgrade; I’m using a Raspberry Zero W with the latest version of Raspberry Pi OS available on their website ...
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0answers
23 views

Raspberry Pi Zero W not interacting with GSM HAT

I have Raspberry Pi Zero W and this hat. I did the following things: disabled login shell through serial in rasp-config enabled serial port hardware in rasp-config removed console=serial0 in /boot/...
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1answer
65 views

Read from RFID sensor using UART

I have a board for the RDM6300 which can read RFID tags. I could successfully test the board using an ESP32. Here is the micropython code: from machine import UART, Pin import time uart = UART(1, ...
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1answer
40 views

Zero wont connect to AP (multiple devices with the same ssid)

I have Razberry PI Zero W and I am trying to setup wifi connection. Our apartment has multiple APs with the same name. Routers work on the 2.4 and 5 GHZ frequency. I cannot access those routers. I ...
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1answer
57 views

Speed control for a generic 12v fan using Pi Zero

I am trying to speed control a generic 12V 2 pin computer case fan (80mm x 80mm x 15mm). I have purchased an Adafruit TB6612 1.2A DC/Stepper Motor Driver Breakout Board and a Raspberry Pi Zero W. I ...
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1answer
76 views

Pi zero doesn't fully shut down after adding a gpio-poweroff dtoverlay to /boot/config.txt

Disclaimer I'm still learning about the device tree in general and am definitely fumbling about a bit. The problem Pi Zero W draws basically zero current when shutdown with sudo shutdown now. After ...
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1answer
60 views

How much is ble Tx power of RPI zero WH

I'm planning to estimate distances between some RPI ZERO WH using bluetooth. I'd like to know Tx power of BLE of RPI ZERO WH to measure distance.
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1answer
34 views

What's a good camera with IR-Cut for a Raspberry Pi Zero W

I'm working on an security camera for outside, and want to have vision at night(thus needing Infra-red light, and an infra-red camera), but also don't want that weird pinkish look that an IR camera ...
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5answers
145 views

How to daisy chain the power across two Pi's

Similar to Can I power a Pi through a 5V pin?, but I want to acquire the 5V power source from another Pi. The first Pi gets its power via micro USB, and then I want to use pins 2 and 6 from that to ...
3
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1answer
101 views

No internet with Access Point as WiFi router/repeater with additional WiFi-dongle

I followed the great tutorial by Ingo to to use my USB dongle as AP. I just inverted the wlan0 and wlan1 to use the first one to connect as client to my router, and the second one (the dongle) to be ...
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0answers
17 views

How do I automate a non-gui wifi client to roam to the strongest AP in range? [duplicate]

I have a RPi in the car that I need to act as a mobile AP. I need it to provide a consistent, unchanging ESSID (in AP mode) using the onboard wlan0 for all devices that stay in my car. Dashcams, the ...
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0answers
27 views

SSR or Opto-Coupler relay only works if shorted

I have a SSR 4 channel relay and an Opto-Coupler one channel relay. Both where specified to work on 3.3V signals. I wrote a quick test program on my raspberrypi zero w and tried both relays with my ...
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3answers
48 views

With a Pi Zero W is the MISO pin on the GPIO shared with any devices on the board itself?

I've been doing embedded work for many years, but have only very recently started working with the Raspberry Pi. I'm planning to build a project that uses a 5" TFT display and a Pi Zero W, and ...
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1answer
31 views

How to use 433 RF codes to start actions on Rpi

My setup is: Arduino with 433 cheap transmitter module, photodiode and a laser and 433 receiver connected to Rpi, button. I've used rpi-rf lib to receive codes. I'm trying to make stopwatch that when ...
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0answers
21 views

Key Listener for Raspberry Pi Zero via SSH

I am trying to write a key listener for a headless Raspberry Pi Zero that I am connected to via SSH; the RPi is set up to imitate an HID keyboard, and I want to pause / resume a macro from the RPi to ...
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0answers
59 views

SSH connect problem via Wifi: I can connect on my Android (JuiceSSH), but cannot connect via CMD on windows

I have a Raspberry Pi Zero W which I have Raspberry Pi OS Lite as image. I have preconfigured Pi as headless with Wifi, and with SSH enabled. If I connect via JuiceSSH on my android phone, I get ...
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2answers
103 views

16 Channel Sainsmart relay board connected to raspberry pi zero w, hydrosys4 app not stopping relay / turning off relay

Within the Hydrosys4 app Settings page in the actuators test section I can set the app to pulse the GPIO and I get the LED indicator on the relay board and the relay engagement but the relay does not ...
4
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1answer
535 views

Sainsmart 12V, 16 Channel relay module connected to RpiZW has unwanted triggering when booting

I'm trying to get the hydrosys4 open source irrigation control software to work with my 16 channel relay board and raspberry pi zero w. When the pi boots up the relay is triggered multiple times, ...
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0answers
24 views

how to create new network interface at boot on the Pi-Zero-W, without killing the wlan0

Working on Rasbian on the Pi-Zero-W(Pi0W), I've managed to follow a guide to get Aircrack-ng to work as a wifi probe sniffer (https://medium.com/swlh/scanning-for-mobile-devices-through-wi-fi-using-pi-...
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0answers
16 views

mounting issue when using raspberry pi zero w as a wifi usb thumb drive

Hiho, I created a wifi thumb drive using this tutorial. http://www.dlightsound.com/tutorial/USB-stick_on_a_Raspberry_Zero_W.pdf It works fine other than the 3D printer I am using (a Photon s) can only ...
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1answer
40 views

RaspberryPi Zero W with battery life for 7 days [closed]

I know of different projects that are using micro processors - dont know if they are Raspberry models however - but they have bluetooth connection, wifi module and a camera attached. And they are re-...
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0answers
44 views

Resilio runs at startup but doesn't do anything

I'm running Resilio on a new Raspbian install. It works when I start it, but after a reboot it runs but doesn't seem to do anything. When the system starts up, ps shows that Resilio is running with ...

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