All Questions

0
votes
2answers
23 views

Execute single graphical programs remotely using X Window

I have a Raspberry Pi with Raspbian Stretch Lite. I want do execute only some single graphical programs remotely and do not want to install a complete graphical user interface with a Desktop program ...
0
votes
0answers
20 views

I want to toggle a button from GUI tkinter and display a counts from GPIO

I want to toggle a button from GUI tkinter and display a counts from GPIO. Here I have a counter system code: from gpiozero import * from time import sleep #####GPIO input########## led = LED(26) ...
0
votes
0answers
12 views

Rasberry Pi board is not detecting LAN connection

I'm working on Rasberry Pi board with Ubuntu OS but it's not detecting the LAN connection and am not getting an IP address when I type ifconfig. I've added below code to /etc/netplan/01-config.yaml: ...
1
vote
0answers
16 views

Website suddenly not available on chromium

I use a trading platform called cTrader, from IC Markets. They have a web platform that ran fine (a bit slow) on chromium, and all of the sudden, it's not working anymore. The site says my browser is ...
0
votes
0answers
12 views

How can use Raspberry pi 3 to update the code running on an STM MCU?

How can I update the code on an STM MCU using the raspberry pi 3? It would be best if I can get an answer specifically about STM32F303CCT6. I basically want to use the pi to upgrade the firmware of ...
0
votes
0answers
27 views

Daily Deviation Picture Frame on RPi

This guide, Raspberry Pi - Daily Deviations Picture Frame, seems to be not working anymore. I tried different methods and it seems that the code in getting images from Deviantart daily deviations ...
0
votes
0answers
18 views

Raspberry Shut down After trying to connect fan

I just bought a new Raspberry Pi 3B+ UK and was working with it for about 2 hours, and then when I was not at home, my son noticed that the CPU is hot and tried to cool it down with a normal 5V PC fan ...
0
votes
0answers
23 views

Raspberry PI with LAN9514 [closed]

We use a RPI with LAN9514. The problem, the LINK lights are always on with unplugged network cable. If we connect the cable the light stays still on and on pink possible. Any idea?
1
vote
0answers
20 views

How to install Couchbase onto a Raspberry Pi 3

I am making a discord bot, and I want to use Couchbase as my Database option. (So I can get some practise on it, since work is switching to it) However, Couchbase does not officially target the ARM ...
0
votes
0answers
15 views

Reading length from terminal command result [closed]

I am trying to list all the USB devices on the raspberry pi in my code so i use newUSB = os.system("lsusb") which gives me a result of Bus 001 Device 005: ID 413c:2005 Dell Computer Corp. RT7D50 ...
0
votes
0answers
18 views

Adding an exception to /etc/sudoers

In the /etc/sudoers file I want to add an exception for raspi-config to the following: pi ALL=(ALL) NOPASSWD: ALL This will allow users to use all commands without sudo except for raspi-config. ...
1
vote
1answer
18 views

NetworkManager not working on properly RasPi 3

I'm testing NetworkManager using 2 keyfile: one keyfile for the wired connection and one keyfile for the wireless connection. The setup works great on Raspberry Pi 1 and Raspberry pi 2. On ...
0
votes
2answers
34 views

Mac address of my raspeberry Pi 3 keeps changing after every reboot

Everytime I restart my raspberry pi the Mac address changes. Due to this, while connecting remotely I have to hunt for its new IP.
2
votes
1answer
65 views

Take 5 images a second, triggered by motion sensor, switching between 2 cameras depending on time

I'm working on a project similar to a security camera with a Raspberry Pi NoIR Camera Module v2 and a FLIR Lepton 3.5 on a purethermal 2. I am somewhat new to this and am not sure how to proceed. ...
1
vote
0answers
15 views

How to 'source ~/.profile' and activate virtual environment and run python script from a .sh file

I am working on my project and using a raspberry pi 3B+ with raspbian OS. I followed the following link to pip install open cv on my pi using a virtual environment I named 'cv' and it works fine: ...
1
vote
0answers
24 views

RF 433Mhz reciever not finding remotes

I'm having some trouble with my 433Mhz receiver on my pi. I first tried to read the signal my Nexa PET-910 and 433Mhz doorbell sent on the pi, but I could not get any usable data, just noise, or no ...
1
vote
1answer
11 views

Opening a new form

I have an application that I am using a keypad with. I'm using the pad4pi library. On the main form I have a button that opens a second form. The second form is its own class name nform. I have ...
1
vote
2answers
55 views

What is the best way to copy the whole rasbian image?

I want to create a copy of my current raspberry pi image with all the data and programms so that I can flash it on another sd card and run it from there. I have following problems: For some reason ...
-1
votes
0answers
23 views

How many mcp3008 can i add to raspberry pi? [closed]

How many mcp3008 can i add to raspberry pi?
1
vote
2answers
32 views

Error while using wiringSerial

I am new to the Raspberry subject and only figure out some basics. I want to use a Nextion-Display withe a Raspberry pi 3b+ and communicate over the UART pins. For this I found wiringPi and that it ...
1
vote
1answer
26 views

How Can I connect 5 flex sensor in a raspberry Pi

we are making a glove based on 5 flex sensors. The problem we are facing is that flex sensor transmit data in analog version while Raspberry pi 3 receive only digital data.if we are using ADC ...
1
vote
1answer
22 views

Pi 3 Stretch - wlan0 and eth0 with wlan0 wan-interface

I need to set up my Pi3 running on Raspbian Stretch so that on boot it will enable both interfaces, routing all WAN traffic through wlan0, because on eth0 there's just an old network printer waiting ...
-4
votes
0answers
20 views

I want to install raspberry pi in car to control the car headlight from high beam to low beam,? [closed]

So i want to know the wiring connection of pi with headlight wiring. please help me.
0
votes
0answers
11 views

Authentication for HTTP Request in Node-RED [closed]

I am trying to use the PUT Request in Node-RED in order to save data into my Azure Blob Storage account. The GET Request works perfectly fine but the rest just send message errors. I have found out ...
1
vote
1answer
26 views

TensorFlow on a ClusterHat

Has anyone experience of running distributed AI on the Cluster Hat using Pi Zeroes? Specifically, can I run TensorFlow on a Cluster HAT ideally using the GPUs on the PiZeros as well as on the ...
2
votes
2answers
36 views

Run script with virtualenv on init

I have bash script which loads a virtualenv and run 3 python scripts. I have tried to init on startup by ini.d and rc.local methods but it doesnt work and I have no idea why is not working but if I ...
0
votes
1answer
18 views

Cannot ping Raspberry Pi 3 b+

My Raspberry Pi 3 b+ will not allow me to ping it even though I've ping'd and ssh'd into it plenty of times before now. I can ping my main computer from the pi but not the other direction. ping ...
0
votes
0answers
14 views

Make the Raspberry Pi Zero W into a Bluetooth Receiver

I am really new to this (Just received my pi today). This is all headless. There's too many guides/packages of how to get your Bluetooth receiver going and I am just stumped. What is pulse audio and ...
0
votes
0answers
24 views

How do I make my RPi talk to my PC over an Ethernet Cable?

My PC is running Windows 10. I'm working on establishing communications from my RPi to my PC via an ethernet cable. I've set up static IP addresses for both the PC and RPi on their respective ethernet ...
1
vote
1answer
18 views

How to crop off top of display

So I'm working on a Spotify jukebox that displays album art. I have a Python script that opens the URL hosting the art in chromium, and updates it when the song changes, by opening a new tab. My ...
1
vote
0answers
21 views

trigger command on wake up

so scenario: my pi is hooked up to a tv. When I press a button on the pi`s keyboard, I want the tv to wake up. I found the echo on 0 | cec-client -s -d 1 command, but I don't know how can I wire it ...
0
votes
1answer
69 views

Still cannot open display :0

I'm trying to run chromium-browser on my raspberry pi remotely through SSH. I want chromium-browser to use the display of the raspberry pi (not the local display of my Windows machine). Even when ...
-1
votes
1answer
72 views

Python 3.7 takes 3 minutes to start

On Raspbian lite Stretch with a compiled python3.7.3 a python program takes 3 minutes to start the first run. Second and subsequent runs start almost immediately. (3 minutes measured from the ...
0
votes
0answers
25 views

ALSA lib conf.c error for Using speech recognition

pygame 1.9.4.post1 Hello from the pygame community. https://www.pygame.org/contribute.html ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'defaults.bluealsa.device' ALSA lib ...
-2
votes
0answers
15 views

micro usb power adapter

I recently purchase a wireless (no name brand) Bluetooth airbuds, of course it only came with the micro usb cradle for the buds to charger. Instructions require that charger is no higher output that ...
0
votes
0answers
26 views

NEO-6M GPS module

I am using NEO-6m GPS module with raspberry Pi 3B+. My GPS module is working perfectly. IT is giving me my GPGGA strings. But for now, I am using different python scripts but i am getting the error ...
0
votes
0answers
49 views

Wi-Fi is very unstable on Pi 3

Raspberry Pi Spec. Model: Raspberry Pi 3 Model B V1.2 OS: Raspbian Stretch Lite Problem I'm using Wi-Fi pocket (like a router). My macbook is connected with Wi-Fi pocket well. My iPhone is ...
2
votes
1answer
25 views

Mounting /var from a CIFS

Because my sd card recently failed because of large number of writes to /var filesystem I would like to move it to a SAMBA/CIFS. I tried already and the systems doesn't start at all (it is headless, ...
2
votes
1answer
39 views

Android Things Wear in Raspberry Pi Zero

Can I install Android Things Wear OS in Raspberry Pi Zero? if not, what will be the microprocessor I can use?
1
vote
0answers
13 views

Raspberry pi digital signage [closed]

I am a newbie to the world of raspberry pi. I would like to display images as a slideshow on a screen connected to multiple raspberry pi. ( This is for the purpose of setting up electronic notice ...
2
votes
1answer
31 views

Run turn off/on HDMI on specific time

I want to do the following: Use my raspberry pi as a smart display, kind off like what the Chromecast does when it's not streaming anything. I also want it to turn on and off at certain times, like ...
0
votes
0answers
25 views

Pi 3 B wireles access point ubuntu

I am trying to set up a Pi 3 B as a wireless access point. I am running Ubuntu 18.04 server for arm64. I followed the tutorial here, editing the required configuration files. However, during startup ...
1
vote
1answer
26 views

Recovery mode doesn't accept sudo commands

I was trying to fix the kernel panic-not syncing, in this case the number is (179,6) using this guide Kernel panic-not syncing: VFS: unable to mount root fs on unknown- block(179,6) running Raspbian ...
0
votes
0answers
15 views

Made a Pi Zero W into a print server for a Dymo 4x6 label maker. However, when I added the printer via Windows, the format is incorrect

And I have no idea how to fix it. The microsoft ipp class driver only has format options for A4 and letter, no 4x6. It prints fine on my iphone but I really would like to be able to print via my ...
0
votes
2answers
22 views

How to prioritize Wifi over Ethernet

Scenario wlan0 is configured to connect to an internet-connected router and get an IP via DHCP eth0 is set to a static IP (via /etc/dhcpcd.conf, different net than wlan0) and connected to a net with ...
0
votes
1answer
32 views

Error reading lock file /etc/.rc.local.swp: Not enough data read

I was able to access rc.local just a little bit ago and now it wont let me. I cant even delete the swp file due to permission issues. Im not sure where to go from here, the error i get when opening ...
0
votes
2answers
39 views

Kali linux won't boot on Raspberry Pi 3B+

I downloaded tge kali linux RaspberryPi 3 64 bit image from this site: https://www.offensive-security.com/kali-linux-arm-images/. The date of the image is 2019.1. I burned the image on the sd card ...
1
vote
0answers
18 views

Quiet boot on raspbian buster

I am trying to hide boot up messages on my raspberry PI. I upgraded it from the stock raspbian image to buster via this guide: https://gist.github.com/nickfox-taterli/fcddd0ac724ec066b51f8e777800fea2. ...
1
vote
1answer
24 views

Piggyback two boards on a single RPi - Relay Board + Paddle Breakout

So I want to wire two DHT22 sensors (5V) to a Pi and also control a lightbulb with 220V. As a plus this should be very compact and I don't want to solder or use breadboards/jumper cabling. I looked ...
0
votes
0answers
13 views

Casting PDF files onto raspberry pi

Is there a way I can cast PDF files or ebooks(.epub) files into raspberry pi from my phone. There was no option in raspicast for casting documents.

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