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8 views

Why don't I get any gateway address (dhcp)?

I have trouble getting my gateway address to reach internet on my Raspberry Pi. I tried on 2 distinct company networks. On first network there is no problem, every device can get his network ...
0
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0answers
13 views

How to do pass through from USB to HDMI in RPI 0W

Is it possible to pass through from USB to HDMI in rpi 0w? I need to pass through video/data from my laptop to TV Monitor through rpi 0w while capturing passed data in rpi. my laptop ---> video ...
1
vote
0answers
12 views

Getting “has no 'x' member errors” for Rpi.GPIO using vscode remote ssh extension

I just set up my raspberry pi and have been using vscode (remote - ssh extension) on my windows computer to code on there but I have been getting errors like "Module 'RPi.GPIO' has no 'output' ...
0
votes
1answer
10 views

Pi stalling during boot - `[FATAL] get-iface-ip: ioctl failure: No such device`

I have an SD card with Raspberry Pi OS, which is usually used for a Raspberry Pi 4B. I also have an old Pi Zero, and wanted to test something with it, but didn't have a spare SD card, so I turned my ...
0
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0answers
11 views

Cross compiler fails to compile C code that includes a library (eg. libusb)

I need to control the USB ports of my Raspberry Pi 1 B+ in order to disconnect/reconnect USB devices without physically accessing the machine/cable. I have found hub-ctrl.c which seems to be just fine ...
-1
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0answers
26 views

Can't use ping command to flood? [closed]

I'm doing some penetration testing for my website and I purchased a raspberry pi to do so. I tried flooding it with pings using the ping command. I typed ping -f <MY SERVER IP ADDRESS> and it ...
0
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0answers
18 views

Trying to configure UFW to allow Plex Direct connect

I have a raspberry pi 4 and it is set up with Plex and a VPN (for some other services). I am trying to figure out how to configure ufw / OpenVPN to force ALL traffic through the tunnel, except for ...
0
votes
1answer
19 views

Why is the latest version of noobs not working on my raspberry pi 4?

Hello when i try to boot up with a fresh install of the latest vertion of noobs it just shows a rainbow screen. What do do to fix this?
0
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0answers
21 views

How to install Lantern Pro for Raspberry Pi 4b?

I have a lantern pro account, I want to install and use it for my Raspberry Pi 4B How to install Lantern Pro for Raspberry Pi 4b?
0
votes
1answer
12 views

How can I see the Pi HDMI display when I VCN in

I have a Pi 3B set up with a 3.5" touch display. I want to use a laptop or tablet to VNC in and control the Pi headless. I have TightVNC running on the Pi and am using RealVNC as the client(...
2
votes
2answers
28 views

Disable Single User Mode

If I forget my password to my Raspberry Pi, I can gain access again by using single user mode (here is an alternative link). The upside is that if I don't know my password, I can gain access. The ...
0
votes
0answers
16 views

LibreELEC : read-only files system

I'm using PI as LibreElec for Kodi. I'm root in SSH and trying to modify, the file /etc/pulse/default.pa or /etc/pulse/daemon.conf for PulseAudio for an other problem. But all the directory is on read-...
1
vote
0answers
12 views

Display CLI program on HDMI connected monitor while connected via SSH

I'm have a monitor connected to my Pi via HDMI. There is no GUI OS installed, only the command line. I don't have a keyboard, so I'm SSHing into my Pi. I have a python script that displays some text. ...
0
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0answers
28 views

how do i get zoom on a raspberry pi 4?

I am looking to install zoom web conferencing on my raspberry pi 4 4gb running Ubuntu mate 20.04. I have tried the pi kiss method but pi kiss wont load. How do i do this?
0
votes
1answer
12 views

Apt-get uanble to locate package httplib and urllib

I am using Pi 4. So few days back I installed two libraries httplib and urllib to run a code. But recently I found out that both these libraries are missing. So when I try to reinstall them again ...
0
votes
0answers
27 views

How can I route all Ethernet traffic to Serial port and vice versa? [closed]

How can I route all Ethernet traffic on a Linux system to a Serial port and the opposite? I want to convert from the first architecture to the second one, as shown in the picture: picture I monitored ...
0
votes
0answers
11 views

How do you configure the pi-zero-w to reconnect to wifi after the connection drops? [closed]

Consider a stock Raspberry Pi Zero W with the latest version of Buster (full) installed. A WiFi connection has been set up using wpa_supplicant.conf and connects on boot. Now turn the router WiFi off, ...
0
votes
0answers
21 views

How can I work on a pre-existing raspberry pi/sd card on my computer without re-writing over the card?

I was given a raspberry pi 3 B vol. 2 that uses sonic pi to control a walk-on piano and am trying to work on the code contained on the micro sd card, but when I try to open it for the first time ...
1
vote
0answers
15 views

Cluster Computing - Raspberry Pi and Julia

I'm hoping to setup a cluster at home for a physics simulation I'm planning on running. However I don't have any real experience with HPC and I figured I should start with a small cluster just to ...
0
votes
2answers
36 views

How should I upgrade the version of Python to latest release [closed]

I would like to re-bind Apache fCGI to python3.7 instead of Python2.7. I saw the following error message while my script used type-hinting. AH00163: Apache/2.4.38 (Raspbian) mod_fcgid/2.3.9 mod_wsgi/4....
0
votes
0answers
25 views

The built-in Raspberry Pi 4 Wifi doesn't work, but a USB wifi adapter does, is the built-in Wifi broken?

The only WIFI network I'm able to use is 5G WPA EAP. The Pi 4 it will connect to an access point, but on it's own it doesn't connect to the internet. When I ping www.google.com I get Temporary ...
0
votes
0answers
11 views

The GUI is not loading after installing xubuntu-desktop package for Ubuntu

I have a Raspberry Pi 3 Model B and I have followed the instructions outlined here: https://ubuntu.com/tutorials/how-to-install-ubuntu-on-your-raspberry-pi#1-overview. Everything works fine until I ...
0
votes
0answers
13 views

Sample code for interfacing multiple IMUs [closed]

I am attempting to read 6 IMUs using a Raspberry Pi 3B, and estimate the pose. I would like to use the excellent RTIMULib to get the fused pose. To use 6 IMUs, I plan to use a 1:8 multiplexer to do ...
0
votes
1answer
21 views

OSMC - Mount / from a USB

i'm having troubles in a RaspberryPi2 mounting a USB as the / partition. I modified /boot/config.txt adding (also tried with original cmdline.txt, but I think that's the cleaneast way): cmdline=my-...
0
votes
2answers
27 views

Can preserve LVM partitions while changing sd card and os?

I want to make a NAS storage with Raspberry Pi and attached drive. I would like to create partitions on my drive with LVM, but I'm afraid, that once my sd card with os breaks, I will lose my all data, ...
0
votes
0answers
11 views

Powering HDMI splitter from Raspberry Pi Zero W

I have a base zero W that I want to turn into a receiver for spotify connect and some old speakers that connect via a 3.5mm jack. I want to get audio out of it that isn't horrific sounding (such as $5 ...
1
vote
0answers
30 views

GPIO input, keep high after button press

Hi was just wondering if there was a way of making a GPIO INPUT (connected to a momentary switch) stay high (for a certain amount of time), no matter how long the switch has been pressed for? The ...
0
votes
0answers
23 views

RPI actual SPI communication speed

I tested my RPI 3B's actual SPI communication speed using the time stamp and spidev of Python. Then, I got the 353.2k bitrate per second when I set the SPI clock as 30MHz. Then, the real SPI ...
0
votes
2answers
34 views

rc.local not able to execute python script with network code

(Disclaimer, this is a crosspost from my Unix & Linux Overflow question, however I got no answers) To introduce my problem, I'm running Raspbian Stretch on a RPi 3 model B+, and I have two scripts ...
0
votes
0answers
15 views

Program stops running while accessing MongoDB in python program triggered using udev rules

I have udev rules file to run a program on usb mount. I am running a bash script automount.sh when USB is connected to Pi. #! /bin/sh cd cd /root chmod 777 /media/USB chmod 777 create_report.py ...
0
votes
1answer
22 views

How to connect an Android phone and a raspberry pi through wifi direct programmatically

so I have been working on the task of connecting a pi to an android via wifi direct for a while, and I was able to get it to work, using the information given in this question: Issue connecting ...
1
vote
1answer
18 views

Raspberry pi won’t run Noobs installation

I bought a preinstalled sdcard with noobs, due to my manually created noobs sd not working and still have same problem with the pi. Without the sdcard it boots fine to the boot loader screen but when ...
2
votes
1answer
70 views

Trouble getting sg-90 servo to work with R-PI 4

I have read several answers and approaches to controlling an SG-90 servo with a raspberry pi and I have tried the following approaches, with varying but never satisfactory results. Wiring Setup: ...
0
votes
2answers
23 views

wiringPi.h not found by gcc. Works in Raspian, not Ubuntu Mate

This is my first time posting on stack exchange so I apologize if this is too much or not enough info on the problem. A few months ago I installed Ubuntu Mate 18.04 on a Raspberry Pi 3B+ and tried to ...
1
vote
1answer
36 views

Power multiple add-ons on one 5v pin

I have multiple add-ons connected to my Pi that currently use all of the 5v pins. I want to run more add-ons to the Pi that need 5v power. The 5v pins are connected using male to female GPIO jumper ...
0
votes
0answers
22 views

Repeated SD Card failures

I have a couple of Raspberry Pi 4s now running docker, and some lightweight-usage containers for Flask and PostgreSQL. They run 24x7, and it's absolutely fine - apart from what appears to be repeated ...
0
votes
0answers
25 views

Read serial data from multiple arduino

Please help me find problem in this code: import serial ser=serial.Serial("/dev/ttyACM0",9600) ser.baudrate=9600 ser1=serial.Serial("/dev/ttyUSB0",9600) ser1.baudrate=9600 ser2=...
-1
votes
1answer
21 views

How to handle two networks (one for Smart devices and another to access internet) in a home automation setup?

I want to use my Raspberry Pi 4 as a secure home automation server that can handle two networks: one for accessing smart devices (over WiFi) and another for accessing the internet. This setup should ...
0
votes
0answers
12 views

4k option isn't available on 4b

Hey so I just recently tried out the desktop version of raspberry os (32 bit). I also just used the raspberry pi imager on a windows pc. Before I had just used it for a minecraft server and basic cmd ...
1
vote
0answers
25 views

I2C instability between a pair of Raspberry Pi

I have a connected a Raspberry Pi Zero (1.3, no W, running Raspbian 10 (buster) lite) as an I2C slave (clock:GPIO18,data:GPIO19) to a Raspberry Pi 3b (running Ubuntu 20.04.1) as an I2C master(clock:...
0
votes
0answers
8 views

Ultra-wide monitor support - Screen resolution, Video and Audio Raspberry Pi 4 B

Ultra-wide monitor specs: 34 inch WHFD (2560 x 1080) IPS Display (21:9) - HD 10 AMD Free sync OS: Arch linux with Openbox (lightdm) Issues: Managed to get 2560x1080 pixels with "...
0
votes
0answers
11 views

Is it possible to display image from buffer to framebuffer?

Looking for a way to display image from buffer (without writing image to filesystem) to the framebuffer. The idea is to compute and display QR codes without needed a desktop environment. Possible?
1
vote
0answers
20 views

Raspberry Pi hdmi black screen (SSH works fine)

My raspberry pi will boot fine and I can access via SSH however when connected to HDMI it is just a black screen that appears. I notice that the display screen resolutions are alternating back and ...
0
votes
1answer
23 views

Raspberry datum en tijd Instellingen aanpassen [closed]

juist instellen van datum en tijd op mijn raspberry pi 4 8 GB. Op de volgende manieren heb ik geprobeerd om mijn datum en tijd aan te passen in de voorkeur instelling,alsook in de Lx terminal,en een ...
1
vote
0answers
17 views

Is it possible to enter USB-C Gadget Mode using only dhcpcd?

I've been following tutorials like this one to make USB 'Gadget Mode' work on the Pi: https://www.hardill.me.uk/wordpress/2019/11/02/pi4-usb-c-gadget/ However the other day I had an issue getting it ...
0
votes
1answer
20 views

How to change the brightness of the video output?

I bought a monitor that has a "minimum" brightness that is still quite bright. How can I change the brightness of the video output of the Raspberry pi, so that the signal going to the ...
0
votes
0answers
15 views

pip install pmdarima fails [closed]

Would anyone have any tips to try for installing the package pmdarima on a rasp pi? I have a B+ with a fresh image installed (updated with pip) and the pip install fails on python3 -m pip install ...
0
votes
1answer
30 views

How do you stream audio from one RPi to another?

I have a RPi Zero W running Stretch and equipped with an Adafruit speaker bonnet. I have followed these instructions including points 1 and 2 mentioned in the comments. The result is a functioning ...
0
votes
1answer
16 views

USB Ethernet / RNDIS is working over my desktop computer but not from my android phone

After following some guides, I was able to get a USB SSH connection working from my Windows 10 computer into my Raspberry Pi 4. It won't work on my phone though, even though my phone is capable of ...
0
votes
0answers
30 views

Need help in connections and code of a gsm module to trigger a call with a raspberry pi 3

Hello so i need the code and connections for a gsm module triggering a call i have searched like ton of sites and youtube and found no help if you could help me and explain the code and connections ...

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