Questions tagged [raspbian]

Raspbian is a GNU/Linux operating system derived from Debian. Version numbering follows that of Debian and the current stable is 9 (Stretch). Raspbian is the most widely used Pi based distro and the one recommended by the Foundation, who distribute their own images of it.

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I'm able to connect when Raspberry is connected via cable, but not via Wifi

I downloaded 2019-09-26-raspbian-buster.img (3.7GB after extraction) then I used win32diskimager-1.0.0 to burn it on MicroSD card then on /boot/ I created ssh file wpa_supplicant.conf file with ...
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1answer
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I2C works but gives wrong value

I have an RPi3b (Master) wired up to an MCU (Slave) communicating via I2C. I did have an RPi1b wired up and upon which I did my first development (cheaper to accidentally fry). Suddenly I'm getting a ...
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How to install Java 12

I am trying to install java 12 on my pi. I can only use the terminal. Any Ideas what I have to do? it seems that java 12 isnt in the Repositorys. Thank you in advance
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Over WiFi, I can establish a SSH connection but there is no internet connection

As described in the title, I can connect to my raspberry, via SSH connection, but raspberry has no internet access. All of this is done through an WiFi connection (Windows PC <--> Router <--> ...
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2answers
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wpa_supplicant.conf Changes Disappear

I'm trying to setup my wireless on a raspberry pi 4 running raspbian, and I'm making changes to the wpa_supplicant.conf file per other answers here on Stack Exchange. However, after I make the ...
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1answer
37 views

How to install PIXEL on Ubuntu Server (64bit)

I got a Raspberry PI 4 running 64bit Ubuntu Server. Now I have a bash prompt want a desktop environment. Hopefully, the PIXEL desktop to minimize differences from stock Raspbian. A quick google ...
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Use a 2.5" LCD in a Blaupunkt Dashcam for Raspberry Pi?

and thank you for reading my topic. I recently bought a "2.5" LCD HD Dashcam" from the Blaupunkt brand (BPDV122), although I am aware they have just used this design from another company. https://www....
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2answers
64 views

Commercial distribution of Raspbian with additional software

Am I allowed to add my application to the Buster OS and offer it a an img download file for purchase? I appreciate some people regard the Rpi as free to use but I am adding (hopefully) added value. ...
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How to interface ultrasonic with raspberry pi through IOPI plus AB Electronics UK

import time try: from IOPi import IOPi except ImportError: print("Failed to import IOPi from python system path") print("Importing from parent folder instead") try: import sys ...
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Need to display 2 LCDS at 800x480

Im using a Raspberry Pi 4 running the latest version of Raspbian. I need to run 2 separate 5" LCD displays at 800x480. This is the LCD I'm using: https://www.adafruit.com/product/1680, connected ...
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raspistill won't work when automating shots on 1GB PI 4

THIS WORKS: raspistill -cs 0 -ISO 600 -ss 175000 -w 1920 -h 1080 -o watcher-0000.jpg This does not raspistill -cs 0 -t 46800000 -ISO 600 -ss 175000 -w 1920 -h 1080 -o watcher-%04d.jpg I have ...
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How to send email from Pi using python without smtplib?

I am new in Raspberry Pi and I am trying to send mails without using SMTP. I had used SMTP before and it worked perfectly fine. But recently the same code is not working, though it compiles without ...
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0answers
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Raspberry PI4 slow ethernet

I have some issue with my LAN network with Rasberry PI 4. My network in PI has configuration: eth0: negotiated 100baseTx-FD flow-control, link ok when I run iper3 on PI: iperf3 -s a then on PC as ...
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Can't Access Octoprint web server

I have 2 octoprint instances running on my raspberry pi. One octoprint instance is running on port 5000, and the other octoprint instance is running on port 5005. On the raspberry pi, I can connect to ...
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Raspberri Pi (Raspian) running Apache 2, PhP(7) HTML CSS not running PHP

I am getting very frustrated with trying to track down the source of my problems with the code below. I believe it is something to do with php files not being run. (Note that all files are in the same ...
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2answers
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How to make/develop Android apps and use them with RPi4?

I am using Raspberry Pi 4 for a while with the latest buster release. I searched for a lot of questions and find that Android development is not possible with Raspberry Pi. But I wonder, that both are ...
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1answer
38 views

Autologin root user without login and password window

I've running last version Raspbian. Edit a file /etc/systemd/system/autologin@.service and changed the one occurence of 'pi' in that file to 'root'. Edit a file /etc/lightdm/lightdm.conf and changed ...
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0answers
37 views

How to split a display into many and access all the screen

I'm trying to split the screen in raspberry-pi. and access each screen for each display I want the multiple layer in a single screen. Eg. my output screen resolution is 1024x720 in that i have to ...
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1answer
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Server client connection recovering

I have Sever/Client sending data back and forth, everything works fine, until the client looses connection and tries to reconnect. When I run the project in the coding windows I can disconnect any ...
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2answers
39 views

Help Patching a driver

I've been tasked with updating a driver on a Raspberry Pi 4 running Raspbian. I'm told I need to apply this patch https://lkml.org/lkml/2019/4/1/1050 in order to get my USB modem to work. When I run ...
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bridge repeater unsure what to call it

ok here is the set up router 1 ~~ pi ~~ router 2 ~~~ rest of the home router 1= public wifi (aka library) i need the rpi to pick the signal up using a [Alfa Long-Range Dual-Band AC1200 Wireless ...
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1answer
130 views

Do I need to do anything to install/run applications in 64 bit?

I've switched my Raspberry Pi 4 from 32 bit to 64 bit (Raspbian buster) by adding this to /boot/config.txt kernel=kernel8.img arm_64bit=1 This seems to work fine. I'm running docker and that has ...
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Mounting all removable drives in one location

How can I automatically mount all removable drives in a folder (for example /mnt) and merge them together? I know merging multiple mounts is possible as per this question but I want to automatically ...
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2answers
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Why won't my TV see the Raspberry Pi 4 as a source

I recently got a Raspberry Pi 4B and i used a 128GB MicroSD card and copied over the files from Noobs 3.2.1. I connected the MicroHDMI > HDMI to my TV and connected the power adapter and turned it on. ...
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40 views

Networking interfaces disappeared from my RPI 4B 4GB

Since receiving this Pi I've installed and configured Octoprint for my printer. It ran fine without issues for 3-4 days, until I got disconnected when checking from work. Once home I found the Pi in ...
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25 views

What is necessary to connect Z-wave Fibaro CO sensor to Rpi

I would like to retrieve measurements from Z-wave Fibaro CO sensor on RPi. I found out that it is possible to use USB as receiver of signal on Rpi. There are different options, can you recommend some ...
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2answers
44 views

Connect raspberry pi to another device via ethernet cable and assign it an ip address

I need to connect a device to raspberry pi via ethernet cable, the said device has no wireless functionality. I understand that we have hostapd on raspberry pi that can setup wireless access point, ...
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40 views

Free RAM keeps decreasing [duplicate]

I've written a python script which can make video's using a Hawkeye camera. While running this script, I feel my Pi gets slower and slower. Besides that, my free RAM shown by the tool 'free' keeps ...
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24 views

Permission denied, please try again

hi I have installed the raspbian os on an sd card and want to connect it to mu ubuntu 18.04 screen but its keep saying that : "Permission denied" , so I logged in via a screen and changed the ...
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57 views

Errors with Lepton FLIR: Red square, unresponsive capture/overlay

I've been trying to set up a Lepton Thermal Camera (breakout v1.4) with a Raspberry Pi Zero W, and a Raspberry Pi 3. I've been following a number of guides but most recently this one. Once I run ...
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1answer
32 views

How to correctly implement voltage and current monitoring from a solar panel?

Good day Given: Solar panel (with a maximum output current of 2100 mA and an output power of 25 W; Output voltage - 5 V). These parameters are stated on the seller’s website and may differ from ...
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35 views

Raspberry pi mass storage

I have followed this link Unable to configure a Raspberry Pi Zero as a USB Mass Storage Device using g_mass_storage for USB mass storage everything is working for me but it is not detecting in ...
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1answer
18 views

sshd log cleared or flushed unexpectedly?

I have my pi opened to the internet for ssh access and to be more secure, I turned off password authentication and only allowed for key-based SSH. I logged into my pi earlier to check some things and ...
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0answers
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Use Raspberry Pi 4B as wifi access point and wifi client at same time to function as an extender/repeater [duplicate]

Looked at older threads and found that none of them were working properly and was hoping for an updated tutorial. My main issue is that my Model 3 won't connect to a certain wifi network, and was ...
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2answers
64 views

how to setup and mirror two visual screen (a) touch 3.5 touch screen in general 40 pin connector and (b) hdmi 1 over TV?

I have new 4GB Rasberry Pi 4. I would like to mirror a touch screen,3.5 inch TFT LCD over 40 point connector and HDMI 1 over TV. I could not connect both and mirror together. Sorry I new to Rasberry ...
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0answers
43 views

Uninstalling apache2

I have a Raspberry pi 3 B. I currently have apache2 installed in /usr/sbin/apache2. I cannot remember if I installed this myself - I don't remember doing so - but perhaps I did, since it is located in ...
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2answers
110 views

AdaFruit ServoKit CircuitPython Blinka Library Installation Problem

I'm follow along with a tutorial to get started with using CircuitPython to control servos on my RaspberryPi (https://learn.adafruit.com/adafruit-16-channel-pwm-servo-hat-for-raspberry-pi/using-the-...
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1answer
30 views

Installed Rasbian, but reboots to install screen?

What am I missing? Noob boots, I select the recommended rasbian install. It goes through a several minute process, but then brings me back to the setup/install screen? Only things I can select in menu ...
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2answers
35 views

Opening problem of raspbian

I have a problem of opening of raspbian. I installed the raspbian and then after installing a dialogue box showed that installation is successful, after i press ok the monitor shows no signal and then ...
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3answers
134 views

How Can Rpi3B+ Detect MQ9 Gas Sensor's Carbon Monoxide Leakage, Without Using ADC?

I already have bmp180 sensor connected to raspberry pi 3b+, now I want to add MQ9 sensor like this https://e-radionica.com/en/mq9-gas-sensor.html Is connection straight forward like the bmp180? ...
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1answer
30 views

Can't make an SSH connection to Raspberry Pi

So I tried to make an ssh connection with my raspberrypi (running raspbian ) over ethernet. This used to work but somehow it doesn't anymore. I think the issue is that my raspberry pi can't get an ...
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1answer
111 views

Connecting ESP8266 wifi module with Raspberry Pi zero to use home wifi

I have been following 3 sources below where I could set up my Raspberry Pi zero with Wifi using ESP-01 (ESP8266) but am still struggling to get it working. Wifi configuration 1 Wifi configuration 2 ...
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0answers
78 views

Raspberry Pi button bug, what is happening?

I am new user of raspberry pi. I have two buttons, and some code to run, yet the led will not react to the buttons. It's probably a easy fix, but keep in mind, I am new to robotic and have only ...
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1answer
52 views

How to get acces torrents using Transmission?

I have installed transmission on my raspberry pi and im going to use it to download audiobooks and stuff like that. The torrent I tried to download is now in .torrent format (/.config/transmission-...
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76 views

Start Google Assistant on boot

I have set up a Raspberry Pi with Google Assistant. All working fine, but I would like Google Assistant to start in a terminal window automatically on boot. The commands to start Google Assistant are: ...
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1answer
42 views

How to Monitor the Health Level and Functionalities of Relays Connected to Raspberry Pi

I am building an application to control more than 20 raspberry pis where each of which controls 32 relays connected to electrical locks. having a big system like this would require self-diagnoses ...
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1answer
40 views

Print the amount of vibration on the screen in C

I am able to detect a vibration when I am using 801s vibration sensor module sensor How to measure and print the amount of vibration level on the screen in C? I am checking now only state: HIGH and ...
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3answers
71 views

Raspberry PI @reboot open xterm windows

Hello i am trying to open two shell scripts on reboot. Crontab My crontab is the following @reboot sh /home/pi/Desktop/autoStart.sh autoStart.sh in this shell script is the following #!/bin/sh cd /...
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1answer
80 views

Video playback on Raspberry Pi 3

I have a raspberry pi 3 connected to one of my TV's HDMI inputs. I've installed VLC, but videos won't play. The image will hang and the audio will continue to play in the background. Regardless of ...
2
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1answer
61 views

Stuck in a Login Loop

I was working on my Pi 3 last night and then logged out and when I went to log in again, the screen goes black like it is logging in, but it just returns to the login screen. I know the password is ...