Questions tagged [pi-3b+]

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

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Building all kernel modules make the right ko file for KS8851 but not when make separately

I am trying to build the KS8851 spi module, when i use make -j4 -C linux ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- modules the KS8851_spi.ko and KS8851_common.ko are successfully built. But when I ...
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16 views

How can i read the actual time of the played Audio from VLC player?

i want to play a sound on my Raspberry over the VLC media player. I want to change between two songs, but dont want to restart the song from the beginning at 00:00.00. Instead i want to read the ...
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1answer
44 views

What mosfet should i use for controlling a 24V 48W RGB ledstrip with a Raspberry Pi?

I am trying to control multiple 24V RGBWW (6-vein) ledstrips with my raspberry pi 3b+. The ledstrip is 2 meter (24W p/m) long, and will be cut into 3 pieces. I want to control each piece (~67cm) ...
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14 views

Nextcloud Docker install on RPI unsuccessful

I'm trying to install NextCloud via Docker on my Raspberry Pi 4. I have one version up and running with self-signed SSL certificates, but for some reason I cannot update that one. Here the docker-...
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27 views

GPIO readout from Geiger Müller board is low when it clicks

I am using a RPI 3b and this board. I setup everything according to this guide. It's also my first RPI project so maybe I am missing something. The code I am running: import RPi.GPIO as GPIO GPIO....
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23 views

Raspberry pi 3B+ not booting using regulator

I am using a 12V 2A power adaptor** and to step down the voltage to 5V, using a voltage regulator LM2576-Adj. at the output of this regulator I do get 5.17V enough voltage which is required by ...
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1answer
44 views

Drive a 24V relay with RPI3 B+

I need the RPI3 B+ GPIO to drive a 24V relay that turns on an AC resistive load. Update:I hope the block diagram I attached earlier is now showing. part numbers listed, but the mosfet is not working ...
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1answer
17 views

How to connect Sim800c development board to raspberry pi 3

i bought this development board Professional Small Size SIM800C GSM GPRS Module Quad-band Development Board Module Suitable for Raspberry Pi (blue & silver) https://www.amazon.it/dp/B07NVZ59JS/ref=...
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14 views

Raspberry pi 5mp camera screw size

I know the holes on the pi cam is 2mm in diameter, but I just want to know what's a good size screw to mount the pi cam because I'm afraid I might crack the pi cam board. Is m2 too loose or is m2.5 ...
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1answer
33 views

Media server without internet?

On my phone I have the Foobar2000 app which allows me to play music through media servers. On my raspberry pi I connected a USB stick and set up MiniDLNA. This works fine but I figured it requires an ...
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129 views

Two 'burnt' HDMI ports on two Raspberry Pi 3B+s one after the other

Background: I had Raspbian 10 (installed over NOOB) running on a Raspberry Pi 3B+ running: BOINC (30% CPU time and 25% CPU cores used) dump1090 Kodi Kismet since July 2020, pretty much 24/7 till ...
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After activating Watchdog on Raspbian the system goes to login screen when system reboots after freezing

I have made the necessary watchdog settings for 2021-12-02-raspios-buster-armhf in accordance with Watchdog on the RPi4 in the operating system. When I test the watchdog with fork bomb command sudo ...
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28 views

Can i Transfer Data from one raspberry pi to another over i2c? [duplicate]

Hi, i have following Problem: I have A raspberry Pi 3B+ with a Touchscreen, which uses every Single Pin on the 40Pin GPIO header. The only thing i have is a i2c breakout on my Touchscreen. But i have ...
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30 views

SD card isn't being detected by raspberrypi 3 B+ or my laptop

Raspberrypi 3 B+ was working yesterday, had the raspbian image flashed onto it and I was able to ssh into it headless from my laptop with no major issues. However, today it didn't boot up, so I ...
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1answer
76 views

How can i set up my owm serial communication between two Raspberrys?

i have following Problem: I have A raspberry Pi 3B+ with a Touchscreen, which uses every Single Pin on the 40Pin GPIO header. The only thing i have is a i2c breakout on my Touchscreen. But i have the ...
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1answer
42 views

IP Cam system suggestions

Though id ask here as it seems like a pool of knowledge Im wanting to record RTSP streams on my raspberry pi possibly combining my OMV instance, not sure the best solution/setup hence the post. I want ...
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3answers
60 views

Can I upgrade my Raspberri Pi 3 Model B to a newer Raspbian version?

I have Raspian 9.13 on my Pi 3 Model B and it looks like it's "dead" (doesn't get updates anymore). Are newer versions of Raspian compatible with older Pi models? Is there a table on the ...
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2answers
63 views

Low Voltage Warning with Anker Power Supply [duplicate]

I have an Anker Atom 3 4-port power supply (https://us.anker.com/products/a2045). In the USB-C port, I've got a USB-C ub plugged in that goes to my chromecast w/ Google TV as well as a web cam for a ...
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1answer
33 views

Raspberry pi showing notification of low volatge warning

I have a 12V power supply and has used LM2575 for converting 12V to 5V for powering the raspberry pi. I check with multimeter the output after designing circuit it is 5.25V.
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24 views

Pi use monitor and projector at the same time

I have Raspberry Pi 3 Model B+. Now I use Pi with monitor using HDMI port but my project requere to have connected projector and to show static images on it. Projector will be controled with script(...
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13 views

Canon TS3100 Printer

When I run Rasbian with my Canon TS3100 printer simple scan won’t recognize my printer but if I install The latest Debian it recognizes the scanner usb and wirelessly
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111 views

Difference between vcgencmd get_camera and raspi-config nonint get_camera?

I'm trying to figure out why everytime I poweroff and back on my device I need to manually enable the camera so I ran these 2 functions to get more insight on the situation. For vcgencmd get_camera im ...
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13 views

Ivport-v2 not detecting camera on restart

I followed the guide to setting up ivport-v2 on my RPi and running sudo python2 test_ivport.py fine, if I also run sudo reboot it still works. When I run vcgencmd get_camera I get supported=1 ...
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27 views

Raspberry Camera turns off everytime I pull the plug to restart

I'm using ivport-v2 and followed the guide to get my camera running. Went in sudo raspi-config enabled I2C and Camera, then reboot and everything works fine. However, when I pull the plug on my RPi it ...
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31 views

What are the two extra components delivered with Raspberry Pi 3B+?

Inside the box of my Rapsberry Pi 3B+, I found these two little extra components. The left one looks like a heat sink, the right one resembles the WiFi antenna on the RPi Board. Is this correct? If so,...
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12 views

Camera Settings keep getting reset

Hello I'm sorry if this question will be coming off as vague because I'm extremely confused by this behavior but I'm willing to update with any details you'll enquire on. I'm using ivport-v2 and ...
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12 views

How to build custom ubuntu desktop image with required package

I need to build ubuntu desktop image with my required package, please suggest the steps required. Thanks & Regards.
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27 views

Trouble communicating between a raspberry pi 3b and Omron plc using pyModbusTCP

Ok so I am trying to communicate with an Omron plc using a raspberry pi running the latest version of raspbian (bullseye in this case). I have been trying to keep it simple, so the only thing else is ...
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1answer
16 views

RF433 Rpi Serial cannot read signals in Python

I am running this code. import serial import time serialport = serial.Serial('/dev/serial0',baudrate=1200, timeout=3) t = "ttt" while True: serialport.flush() serialport.write(t....
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21 views

HDMI seems to be dead

We have almost 300 RPi3B+ with monitors connected via HDMI. These RPis are supplied with power via GPIO pins 2 and 4 (5V, 3A). Also from the same PSU monitors for these RPis also supplied with power (...
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1answer
37 views

Unable to connect Raspberry to Wifi

I want to connect my Raspberry to Internet through Wifi, but it can't detect any Wifi. I've read that only Pi 3 and + models can do that, but mine is a Raspberry Pi 3 Model B Plus Rev (see picture). ...
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17 views

Enable i2c kernel support on ubuntu mate 18.04

I am having issues trying to enable i2c support for the raspberry pi 3B + with ubuntu mate 18.04. I need to do this in order to drive a few servos. The problem is the prompt doesn't show up to enable ...
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1answer
19 views

Rpi 3b+ No Display 7inch TFT-LCD Composite Display

I have 7 inch display which I used in my car almost 10 years back I want to use it with my Rpi3b+. I tried changing various display modes in config.txt like sdtv mode =0 and other numbers. None of ...
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1answer
54 views

Raspberry Pi Buzzer delay

this is my first raspberry pi project and it’s for university. I have a led, a button a buzzer and a servo motor connected, they all work perfectly fine. The idea is, when the servo motor is moved, ...
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428 views

Cannot enable camera

I've been trying to enable the raspberry pi camera on my new pi 3B with no success. I've tried updating. I tried raspi-config on the commandline, enabled the camera and rebooted. These did not work. ...
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1answer
42 views

Stepper motor, need forward, reverse and to hold weight

I am working on a project in which i would like to lift and hold open a small wooden door at a certain time of day and then lower it again. Right now I would be happy if I could just lower it. I can ...
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1answer
29 views

Show Raspberry Pi Infos on a webpage

I want to make a control-website and show raspberry pi information on that. I heard about flask, but is that the right tool, to get the cpu temperatur for example? Or how can I do that with php?
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1answer
31 views

Show data from USB to eink bonnet [closed]

So I have a RPI with a adafruit 2.13 eink bonnet installed onto my GPIO pins. Then I have a gearmo USB-RS232 serial converter plugged into my USB port then the RS232 connection is on a GPS receiver. I ...
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21 views

rpi 3: view video from webcam and display it with high resolution

I have raspberry pi 3 model B v1.2 I want to connect rpi to the TV and USB Web Camera and be able to display webcamera feed on the TV with some delay (10 sec). I have achieved this with python and ...
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1answer
133 views

Are there any suitable car race games for raspberry pi which don't take too much of space? [closed]

In my raspberry pi 3 model B+ , I've been looking for some car racing games that take up less space .Is there any games I can Install ?
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37 views

i2cdetect shows random addresses for VL53L0 device

I plugged the VL53L0 distance sensor to RPi 3B+ onto the I2C pins. Specifically, red to 3v3 Power, white to SDA, blue to SDC, and black to the ground (I left yellow and green unplugged). Now, ...
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25 views

Is there any way to run a Blu-Ray player with a Raspberry Pi 3 Model B+?

I realized the other day that instead of buying a new laptop for a single purpose such as this, I could possibly use my RPi3 B+. Unfortunately, I have not found any articles or contemporary mentions ...
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29 views

Creating a Wireless Access Point with an ethernet cable on the same subnet

I have a raspberry pi 3b+ that I’ve configured to act as an access point. I’ve followed the official Raspberry Pi documentation to accomplish this (See: https://www.raspberrypi.com/documentation/...
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23 views

Rpi3 stuck on rainbow screen on both cards after cloning of SD card

I had a working version of Openmediavault on Raspberry Pi 3b+ fully updated and confirmed to be rebooting without errors. I powered down, removed SD card and imaged onto a windows machine using win32 ...
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2answers
101 views

Why does the latest raspbian update disable some wifi frequencies?

I started with a fresh installation of Raspberry Pi OS Lite (Release date: May 7th 2021, Kernel version: 5.10) and checked wifi state with iw reg get iw list. global country DE: DFS-ETSI (2400 - 2483 ...
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1answer
69 views

Almost every GPIO input pin is showing up as pin 22 [closed]

EDIT: The problem ended up being that the ribbon cable going to my breadboard was rotated 180º. I was taking this into account, but doing so incorrectly. Once I correctly labeled the rotated pinout, I ...
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88 views

Remote desktop XRDP not working for Pi 3 Model B+

I would guess a similar question has been asked already, so any hint pointing me to this direction is welcome. It would be my third Pi install and out of the blue I can't connect via XRDP as on the ...
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2answers
45 views

Run a RaspbianOS system for rpi4 on rpi3b?

I have an OpenHab 3.1 installation on a raspberry 4 running. I'm currently using raspiBackup to create a full backup of the system and also having an .img file to restore it when needed via Etcher ...
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1answer
55 views

host proxying hotspot on rasberri pi b

I want to make my rasperry pi able to 1 host a wifi hotspot, with an external usb 2ndary wifi chip, and 2 redirect all clients through a socks5 proxy. I want to host a hotspot using the integrated ...
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1answer
26 views

Problem booting raspberry pi 3B +

Several years ago, I bought a raspberry pi 3B +. I would like to reuse it. I flashed raspian (https://www.raspberrypi.org/software/) onto an sdCard and I am using my phone's charger whose output is 5V ...

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