Questions tagged [pi-3b+]

Use for questions specific to the Raspberry Pi 3 Model B+

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Raspberry Pi ignoring wireless interface when wired interface is present

I have a Raspberry Pi 3B+ connected over ethernet to Network X, which is not connected to the internet. It's also connected using the WiFi interface to Network Y, which is connected to the internet. ...
smallpepperz's user avatar
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0 answers
10 views

OMXplayer cannot seek in HLS stream

I am using OMXplayer to play HLS streams from NRK with a RPI3B+. Until now I have used dbuscontrol.sh to seek forward and backward in the streams, but suddenly it has become impossible to seek. ...
Eddy Sorngard's user avatar
0 votes
2 answers
40 views

switch to a 64 bit mode?

I have an old B+ which I think is 32 bit but curious if this can be switched to a 64 bit mode?? Does this info help at all? $ lscpu Architecture: armv7l Byte Order: ...
bbartling's user avatar
  • 237
-1 votes
1 answer
35 views

my Raspberry Pi 3B+ stops booting some time after work

my Raspberry Pi 3B+ stops booting some time after work. Different manifestations: either only the red LED flashes, or the green one blinks 4 times. This starts to show up after I reboot the board. ...
Danila's user avatar
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0 answers
25 views

Raspberry pi 3b+, 3 green flashes, no display at all

my raspberry pi 3b+ was used to catch flightradar 24 signals. Suddenly it stopped working. On close visual inspection there were signs of water droplets close to IO pins. Now it won't boot. Red light ...
S Sarkar's user avatar
0 votes
1 answer
33 views

GPIO 2 Shut Down Not Working

I have a Pi 3B+ with an adafruit matrix bonnet. Im trying to shutdown the Pi with a single pole double throw switch I had laying around. I'm currently able to get the power on working through GPIO 3. ...
VictorC's user avatar
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0 answers
38 views

Raspberry pi OS crashing

I am using raspberry pi 3B+ for a project. I have installed the bullseye which is currently the OLD STABLE. The raspbian mirror that I am using is: http://ftp.tsukuba.wide.ad.jp/Linux/raspbian/...
John Mist's user avatar
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0 answers
25 views

Can't get simple assembly code to run on 3B+ board

I am writing a bare metal code to run on GPIO 4 on raspberry pi 3B+ .section .init .globl _start _start: # pin 4 for 3B+ ldr r0, =0x3F200000 mov r1, #1 lsl r1, #12 str r1, [r0, #...
Ahmed's user avatar
  • 1
-2 votes
1 answer
32 views

Cannot install openCV in Raspberry Pi 3 model B+ where source list is Jessie

This is for the project the board is provided from our college we are trying to install openCV on Raspberry Pi 3 model B+ but we cannot install cmake and openCv. But we have encountered an error . one ...
manik's user avatar
  • 1
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0 answers
38 views

Case for multiple different versions of pi

Firstly, I'm not building a cluster, but due to lack of space, I just want to put my Pis into one case where they can share power and ethernet (POE) I currently have a Pi 3B and 4B with plans on ...
ouroboruss's user avatar
-1 votes
1 answer
93 views

Fastest Way to Flash OS Image to Raspberry pi SD card

I want to Flash OS Image in a Much Faster way , In network Boot Mode, Currently i am using DD Command to Flash OS to 32 GB SDCARD on Client raspberry pi 4 board, its taking 10mins for 6.5GB image size,...
abhi's user avatar
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0 answers
50 views

Are there different versions of raspberry pi 3B+? [duplicate]

I have one 3B+ card that was bought some time ago (maybe ~1year). I have been using this as a testing PC. Yesturday I recived two new 3B+ cards (rough visual inspection they look the same as older). ...
Confused_tester's user avatar
0 votes
0 answers
79 views

Raspberry Pi 3B+ freezes on cron reboot

I set up a cronjob on my Raspberry Pi 3B+ (1GB RAM) to reboot every morning, which worked fine for over a year. For three days, however, the RPi has been crashing immediately after reboot. By “...
Pixelcode's user avatar
  • 101
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0 answers
23 views

Building a LoRa Gateway to capture all spreading factors and all bandwidths on Raspberry PI

As the title suggests, I have a substantial task at hand, so I'm unsure if I'll be able to cover everything in this message. However, I'll attempt to provide links to related questions if needed. I ...
Andy95's user avatar
  • 101
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0 answers
27 views

HCIUART not working after Kernel Upgrade

For some experiments with BLE I did manually a kernel upgrade of a Raspberry Pi 3B+ by using (example; I tried a few versions of the official GitHub repository): https://github.com/raspberrypi/linux/...
bilaljo's user avatar
  • 101
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0 answers
46 views

How to install Veloview for Velodyne on Rasberry pi 3 model b plus?

I have installed 64 bit rasberry pi os on rasberry pi model b plus, I have downloaded Veloview tar.gz file from their website that was under the linux 64 bit category. I am worried whether there is ...
Srini Vasan's user avatar
0 votes
1 answer
26 views

Raspberry Pi 3 model b+ does not give any output [closed]

For some reason my Raspberry Pi 3 model b+ does not want to boot and does not give any output signal. I tried several SD cards with fresh OS on them. What I noticed is that the green LED shows the ...
user avatar
0 votes
1 answer
72 views

Brother Printer not in the CUPS list

I am using Raspberry Pi 3B+. I am making my printer - Brother DCP-T300 wireless using Raspberry Pi. But, I am not able to make it run. In the option of choosing the make, Brother was not present. So, ...
Apoorv Mittal's user avatar
0 votes
1 answer
241 views

Troubleshooting "Failed to start dhcpcd.service on all interfaces" - Buster on Raspberry Pi 3

We have been testing "PiSignage", an opensource digital signage solution, on a Raspberry Pi 3 running Buster. We have a webserver that is hosting a webpage we intended on using as an "...
DOSed_And_Confused's user avatar
0 votes
0 answers
44 views

How is it made that NIC has name eth0 not usb0?

Raspberry Pi network card is internally a USB card. Why then it has name eth0 and not usb0? I need to find a code, which is responsible for this. I am simulating Raspberry Pi with QEMU and having a ...
Dims's user avatar
  • 175
-1 votes
1 answer
28 views

Raspberry Pi 3B cannot connect to wifi

I was trying to connect to wifi from my RPI3 running Ubuntu 22 server. This is my conf file /etc/wpa_supplicant/wpa_supplicant.conf Ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev ...
Himanshuman's user avatar
0 votes
0 answers
195 views

Unable to install mongodb on Ubuntu 22.04 on Raspbbery Pi 3B

So first I tried to install the latest version of mongodb on my raspberry pi running Ubuntu server 22. But as I was going through other answer the hardware config of RPI3 does not support latest ...
Himanshuman's user avatar
-2 votes
1 answer
211 views

turning on or off a gpio pin

Is there someone that knows how to simply turn on or off a gpio pin? I don't understand why rpi have to make it so hard. I hope someone gives me an answer, ask me if you don't understand the question. ...
newguy's user avatar
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0 votes
0 answers
17 views

dpkg fatal error while installing libxmlsec1:armh package

I am getting the following error while executing the following code on raspberry pi 3B+: sudo apt install --reinstall libxmlsec1:armhf It is to be mentioned that, I am using this code after removing ...
Mehta G Agarwal's user avatar
1 vote
0 answers
32 views

Problem controlling 3 servos of different types [closed]

I had a remote developer do code for 3 servos to control a mechanism. He made sure to aquire similar hardware. Rpi4 and 16channel pwm driver. He used 3 sg90 servos. I have 1 sg90 and 2 smaller servos....
Bob's user avatar
  • 11
0 votes
1 answer
105 views

DC Motor + goBILDA Speed Controller + Raspberry Pi 3b+ : Moves clockwise but won't move counterclockwise

I appreciate any help in this puzzling situation - I'm at a loss here. As part of a Robotics project, I'm trying to control a motor with a Raspberry Pi. The exact components I'm using are: A ...
Diego Alves's user avatar
0 votes
0 answers
13 views

first boot, login with ssh, only default user, no keyboard [duplicate]

I freshly installed Raspbian on my new Model 3 B. My Pi has an external touch display, which works, but I have no USB keyboard. Therefore I'd like to connect with my Pi via ssh to set it up and ...
Nepumuk's user avatar
  • 101
0 votes
0 answers
23 views

Problem Using Python CAN with Pi Can 2 Hat

I hope to find some answers here regarding a program of mine that doesnt seem to work! It is a modified version from https://rb.gy/blrhk . I am using the RPi in conjunction with an arduno uno with a ...
Paul Boutsiadis's user avatar
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0 answers
187 views

Raspberry 3B+ Wifi not works anymore also with new OS/Sdcard.. broken chip? Please help!

EDIT: On suggestions of @milliways I'm editing the question since he says that all the stuff I posted is irrelevant, and I have to "start fresh". I installed again a new fresh image of ...
Rafpigna's user avatar
0 votes
0 answers
30 views

Raspberry Pi 3B+ has erratic network connections (both Ethernet and Wifi)

Running a Raspberry Pi 3B+ for several months. The week or so, both the Ethernet and the Wifi started cutting out frequently for short periods. At first, I thought it was just dropping packets, but a ...
bpleat's user avatar
  • 1
0 votes
1 answer
47 views

Why can't I SSH into my Raspberry Pi 3b+ after a variable period of time?

On boot, I can successfully SSH into my pi. Then when I exit the session, I can immediately SSH back into it but if I wait some variable length of time (usually a few hours but sometimes more and a ...
occrg's user avatar
  • 1
0 votes
0 answers
20 views

PostgreSQL directory on SSD

I have a Raspberry Pi 3 on my network with PostgreSQL installed on it. At first, I had some tables installed on it, and saved on SD, and it worked perfectly. I had enabled entrance from the network ...
aris99's user avatar
  • 1
0 votes
0 answers
21 views

Waveshare display acting wierd

I am using a waveshare 7inch display it was working well but today when i connexted it to raspberry pi the output is unexpected Please help me out Thanks in advance
Raghav's user avatar
  • 9
1 vote
0 answers
105 views

Receiving push messages sent through my phone (Android) to my Raspberry Pi via Pushbullet [closed]

I am already using the Pushbullet API via python running on my Raspberry Pi 3 B+ to send push notifications upon certain events, that I receive on my Android phone. I would like to also send back ...
Dave Listman's user avatar
0 votes
3 answers
281 views

Raspberry Pi 3+ "brownouts" and under voltage issue with good power supplies

My raspberry pi 3+ is showing undervoltage warning. I know this is a common issue and I've done a fair bit of trouble shooting, so please keep reading. At first, I tried powering my raspberry pi with ...
mahela007's user avatar
  • 103
0 votes
2 answers
207 views

Low power warning when using pi with touchscreen

I’m using a raspberry pi 3B with this DSI touch screen from waveshare. As a power source I’m using this battery hat, which according to the documents should provide 5V. The battery is also fully ...
Alexander Hörl's user avatar
0 votes
0 answers
67 views

Raspberry Pi SD Card Reader Overheat?

We have Raspberry Pi 3B, and tried plugging it in after trying to supply power using the GPIO pins but to no response. We tried to turn it on again using the cable charger we initially used but only ...
user154337's user avatar
0 votes
0 answers
454 views

Raspberry Pi Camera: Picamera2: Cannot configure camera in the middle of a stream

I'm making a remote config PiCamera for astrophotography, using the official Camera Module 3. When the user configures the camera, my application sends a request in JSON format over an HTTP socket. ...
N3RDIUM's user avatar
  • 113
1 vote
0 answers
25 views

Pi 3B+ (several of them ! ) no longer perfortm USB boot

All 5 of my 3B+ no longer perform a USB boot, from USB stick. Problem first noticed where OS was MoodeAudio and a HiBerry Hat was in use. Other similar systems (using diferent 3B+'s with different ...
Ouchita's user avatar
  • 11
0 votes
2 answers
254 views

Can I run Raspbian OS and Octoprint os on same SD card?

I am working with Raspberry pi 3b+. I have installed Raspbian OS on the SD card. Now, I have to install Octoprint on raspbian os system. How to do it? While installing Octoprint from raspberry image ...
Snehal Shende's user avatar
4 votes
1 answer
3k views

Remmina does not connect to Raspberry Pi Bullseye after RealVNC-server update

The Problem: I have a Raspberry Pi I connect using the VNC client Remmina from Ubuntu 22.04. Recently the realvnc-vnc-server was updated in the Raspberry Pi. Since the update the connection from ...
user68186's user avatar
  • 474
1 vote
0 answers
735 views

Specified qdisc kind is unknown when using tc netem to emulate latency on Raspbian

When I tried to emulate latency using tc. I get the following error on Raspberry Pi 3B+. sudo tc qdisc replace dev eth0 root netem delay 100ms Error: Specified qdisc kind is unknown. These are the ...
Sahan Samarakoon's user avatar
1 vote
0 answers
18 views

2 LCD screens 1 raspberry3B+

I got a raspberry pi 3 B+ and two small LCD screens, this one and this one The first is attached on the gpio pins, the second one on the hdmi port the problem is they are just mirroring each other, ...
Claudio Bonifazi's user avatar
1 vote
1 answer
654 views

Raspberry pi camera module 3 works only on libcamera

I recently bought a Raspberry Pi 3b+ and Camera module v3. After days of troubleshooting, I got the camera to spit out images on the libcamera CLI. But, I can't create a picamera.PiCamera object in ...
N3RDIUM's user avatar
  • 113
1 vote
3 answers
304 views

Checking angle of servo motor with a Raspberry Pi 3B+

I was trying to check the angle of a servo motor using my Raspberry Pi 3B+. Although when i run the code the servo motor jumps to 90 degrees (physically) and returns an angle of 0.0 in the terminal. ...
Coder's user avatar
  • 11
3 votes
1 answer
146 views

After kernel update windows appear stuck in the corner

After updating with apt yesterday, all new windows show up cropped in the upper left corner of the screen. See screenshot. I do not know if this is related. I have set the Desktop Preferences to ...
skinnedpanda's user avatar
0 votes
0 answers
66 views

LAN7515 replacement USB controller chip

a defective video cable shorted pin 1 + 2 of GPIO shortening QFN regulator MXL7704-03. Replaced and WORKING but LAN7515 which has built-in USB controller had fried too and USBs DONT WORK!!! i DONT ...
Saeko's user avatar
  • 9
2 votes
0 answers
114 views

RPi 3B+ & Yocto & U-Boot : free UART pins to be available for a RS232/485 HAT

I have the following hardware/software setup: Sferalabs StratoPi Base (Raspberry Pi 3B+ with a HAT for RS232/485) Distro built with Yocto and meta-raspberrypi on thud branch U-Boot SysVinit I want ...
Carton_'s user avatar
  • 21
0 votes
2 answers
134 views

Unable to connect to raspberry pi 3b over minicom

I want to connect to my raspberry pi 3 model B V 1.2 to minicom using serial cable. I have attached serial cables to correct pins like this. image of my setup I have installed raspbian from the ...
Afaq Shah's user avatar
  • 101
2 votes
0 answers
1k views

Postgres ERROR: SSL SYSCALL error: Connection timed out

I wanted to develop an app with Python that would run on a Raspberry and be remote controlled. This app should control (switch on and off) 2 leds based on the current day, time and the user's ...
Jiannis4's user avatar

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