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Raspberry pi 4 gpio pins not working

My Raspberry pi 4 gpio pins are not working for some reason I tried uninstalling and reinstalling rpi.gpio and gpio and it did not work here is the code import RPI.GPIO as GPIO import time led = 26 ...
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0answers
5 views

U4VL WebRTC hardware codec error

I installed U4VL with all the necessary libraries for WebRTC. But the webcam isn't working with hardware codec enabled, I am using the Camera Board V2. I got the following error: In the uv4l-rapicam....
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0answers
6 views

How can I make gpsd restrict to a certain serial port?

After reinstalling Raspbian Buster I'm always running into an issue with my gpsd 3.17: Despite the fact that I start it with the corresponding device file /dev/ttyS0 as a parameter (because the GPS ...
0
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0answers
18 views

Corrupted SD Card, how to fix?

I recently got my hands on an older pi (Model 3B), that I had left at my mom's house some time ago. When I went to start it, it wouldn't boot. The red light came on but the screen remained black. I ...
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0answers
7 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 ...
0
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1answer
23 views

GPIO 19 always on even after shutdown - Troubleshoot tips?

Connected a LED to GPIO 19 (Pi Zero W) and it is always on, only turns off when I disconnect the power. Even after the shutdown command, stills on. $ sudo shutdown now Ran the code below and it didn'...
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0answers
14 views

Raspberry pi model B (pi 1} + wifi

I have an original pi ( made in china) which I have just tried to use. But need to get wifi working, as the RJ45 is Down. It works to install pi os and configure it using a USB to RJ45 adapter but I ...
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0answers
14 views

How to calculate yaw using 10 DOF?

I've recently purchased the Waveshare 10 DOF IMU Sensor which also contains the IMU 9250 and the . I've wrote a simple code for calculating the roll and pitch of the device which works, but I can't ...
0
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0answers
7 views

CAN Shield for using Raspberry Pi with Codesys?

On the official Codesys store page of the BeagleBone, it says that a CAN-Cape is necessary for using CANopen. If I understood correctly, they are referring to a Comms Cape like this one. I know this ...
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0answers
7 views

Will IQaudio DAC+ work with RPI0W?

I have a RPI0 W running latest Raspberry Pi OS. I am planning to buy a DAC and powered speakers. I thought of buying a IQaudio Codec Zero but the datasheet says it has a Aux Out not Line Out. Aux Out:...
0
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1answer
23 views

Rapsberry pi pico GPIO IRQ function for push button not working as expected

I added a button to GPIO 4(board pin 6) in my pico board. GPIO pin is normally pulled up and button press will bring it to ground. I want to add a simple debounce logic to the button press in the IRQ ...
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0answers
17 views

I would like to control my Traxxas Stampede with a raspbery pi

So i want to make basically a glove where when i tilt my hand it will turn the car. (I'm going to just have simple buttons for forward and back so I only need to focus on one tilt plane) I plan on ...
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0answers
16 views

How to enable guests to join a captive portal in a new local network?

I am reading online tutorials about setting up captive portals for my raspberry pi using python, they all require an active internet connection to setup. My question is: If I setup the Pi in my own ...
0
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0answers
10 views

Raspberry Pi H264 to HLS Stream

We need to use Raspberry Pi camera for 2 tasks. One is getting image, the other is watching camera remotely. Ways are getting RTSP from Raspberry Pi camera (which when I did it become difficult to ...
-1
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0answers
13 views

desktop image and icons missing

Resolved!!! I ran sudo apt update and sudo apt upgrade on my pi, and now my default desktop image(road) is missing and my background is set to a light gray. There are no default desktop images ...
-1
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0answers
26 views

raspberry pi 3 model b v1.2, a componet fell off

What to do? does it affect the Pi's operation? It booted up with the same SD it had (Raspbian), but I swapped SD's with another pi and it didn't work (Octoprint) Is it a problem? will it currupt my ...
0
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0answers
21 views

How to connect coffee maker's PCB with Raspberry Pi

I want to control my coffee maker with Raspberry Pi, I thought I can replace push button switch with jumper wires to Raspberry Pi serial pins and control the power supply(with Python or whatever). But ...
-1
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0answers
15 views

ffmpeg or OpenCV for Video Recording?

I want to build a code that records videos and saves them continuously with a 30-second duration for each of them. I'll be using a USB camera for this. I came across two options to record videos: ...
-1
votes
1answer
23 views

How to connect Raspberry Pi 3 to Visual Studio?

I have installed windows 10 IoT core on my Raspberry Pi 3B and connect my raspberry pi and my pc to the same connection. but when I want to run a simple program written in Visual Studio 2022. these ...
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0answers
13 views

Connect to secure web socket server on RasPi from Windows client

I have an architecture as follows: Server: secure web socket server implemented in Python and running on RasPi device(s) Client: web app (https) running in a browser on Windows machines and ...
0
votes
1answer
19 views

pi4 Only 4B fails to reboot

I have a Raspberry Pi 3B and 4B. It operates 24 hours a day. Reboot once a day. Only 4B fails to restart about once a week. The screen goes black. The lamp on the Raspberry Pi 4B is normal, so it's ...
-1
votes
3answers
24 views

Using DHCPCD with static ip address and routes

Friends, I'm attempting to position Pi CM4-based devices on a collection of remote LANs and to connect them to my VPN. Each is configured with a static IP. I'm having problems, in some locations but ...
0
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0answers
10 views

Distribute video feed from Pi to multiple network clients

I want to set up a webcam for a fish tank on the LAN at my office. I set up a Raspberry Pi model 3B with a camera and used https://github.com/jacksonliam/mjpg-streamer to stream it locally. It works ...
1
vote
1answer
38 views

RaspberryPi 4 as NAS with disks in USB hub [closed]

I would like to build a simple home NAS hosting 4 discs on RaspberryPi and I wanted to use Quad SATA HAT, however they are either completely out of stock worldwide, or discontinued :( Next viable ...
0
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0answers
15 views

Creating sine wave using a raspberry pi 4 which will be the input to a circuit and reading a output from a circuit [closed]

I am trying to create a variable amplitude sine wave using a raspberry pi 4 and I know it is a digital-only device but I found a bunch of ADC or DAC converter that works on raspberry pi 4. But I don't ...
0
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0answers
12 views

(Raspberry Pi 4 hostapd wireless access point) Does any one have expenerience connect more than 10 clients?

So I setup an AP on my Pi 4 8gb. Any suggestions have to be supported by the Pi 4 built-in wifi hardware. I started connecting a bunch IoT devices, and everything was fine for a while. So I had 9 ...
0
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0answers
27 views

Maximum supply current [closed]

I designed a development card. It has Raspberry Pi pin header connector.(I want to plug the raspberry pi 3b+ board into the my development board. I am calculating how much current is needed) How much ...
0
votes
0answers
20 views

Recoding video files for easy (low CPU) playback on Pi4 / Firefox

I won't go into the full detail of how we arrived here but I have a need to play two (locally stored on the eMMC) video files simultaneously in Firefox running on a Pi CM4. Right now it's struggling ...
1
vote
1answer
32 views

unable to gps data serially in raspi 4

I am trying to get ublox zed f9p module work with raspi 4. I am using this module I am running on ubuntu 20.04 desktop version on raspi 4 and i have connected the module serially(/dev/ttyS0) to my ...
0
votes
0answers
10 views

Auto-play directory of music videos

I am using a Raspberry Pi 3B as a car stereo head unit. It works great with a Hi-Fi audio hat and touchscreen. I'd like to make it automatically play the directory of music videos on any attached ...
1
vote
0answers
17 views

Green frames when capturing webcam

We use RPI4 for automation. One of our use-cases is to capture image frames via webcam/HDMI grabber as fast as possible and do some analytics. We use python and opencv for capturing, but it's not ...
0
votes
0answers
18 views

RaspAP not working out of the box

I had a previous installation of RaspAP that worked on Raspbian 2019, but had a problem with camera not working and decided to start from scratch on a new image of Raspberry Pi OS 2020. I installed ...
1
vote
0answers
40 views

GPIO output high not turning of relay

I am trying to turn a relay on and off using a python script. The below script is realy simpel, turn the relay on and after 5 seconds turn it off. The thing is, it dooesn't turn off. i thought it did ...
0
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0answers
16 views

Sending data using RS485

I have a solution which depend on RS485 to communicate with other device, I need some help for these questions: How can I enable Rts and Cts pins on Raspberry pi4 ? Also, How can implement C# code ...
0
votes
1answer
39 views

Why is my python script stopping after 1 month?

I'm running three python scripts on a Pi 4 Model B. These scripts are ran from boot using the '.config/autostart function'. I have a batch script placed in 'autostart' which then in turn starts the ...
0
votes
0answers
27 views

Audio input and Output Issue on Raspberry Pi 4

Running Debian buster on a Raspberry Pi 4 (Model B Rev 1.4) Installed ReSpeaker 4-Mic Array which is only for capture audio (no 3.5 mm jack attached to this model). Mics are not working If I connect a ...
-1
votes
0answers
36 views

Trying to install Kali Linux Arm on raspberry pi 4b

hi ive been trying to a few weeks to get my rbp4b to boot up kali linux ive tried multple micro sds, and now am using a usb stick in hopes that it would boot easier, im using a 4inch lcd touch screen ...
-1
votes
0answers
25 views

cant unzip moode or picore player on my pi4 [closed]

Currently the file is in downloads but I cant unzip it.The Program asks to select an application to open raw disk image file but none work.
0
votes
1answer
64 views

Connect to WiFi with CLI without rebooting

I want to connect my Raspberry Pi 4B to my Wifi network via CLI (technically, by node.js/python scripts) without rebooting it. For the moment I am modifying the /etc/wpa_supplicant/wpa_supplicant.conf ...
0
votes
0answers
33 views

iw dev wlan0 station dump output signal missing

I used the following command iw dev wlan0 station dump to collect the information about the devices connected to the AP. I used to see signal level in the output in Raspberry Pi 3. When I tried to ...
2
votes
1answer
38 views

How to expose for longer than 1/3 of a second with PiCamera HQ using picamera?

I've used the script below to make some under/over exposures in low light levels using the PiCamera HQ and the picamera module. In order to get long exposure times I've found that the camera object ...
0
votes
0answers
20 views

How to play YouTube playlists via terminal and vlc headless

So I'm running a raspi 4b with raspberry Pi OS lite (only terminal + sometimes video via vlc) because the main thing I want to to with my setup only works in this OS due to different sound drivers. ...
0
votes
1answer
32 views

What is the bottleneck when I'm downloading something and playing a video?

When I'm downloading a file (torrent) and playing a video, my video will periodically freeze. The video uses the GPU and barely the CPU, the total CPU usage isn't anywhere near 50% when I'm doing ...
-1
votes
1answer
42 views

Why the GPIO light gets switched ON but not SCL1

I am trying to make this circuit I have only attached two pins. By default shouldn't both pins be ON? Why only GPIO 17 is ON (shows light)? I notice that once I connect all the wires, the GPIO ...
0
votes
0answers
31 views

Creative project recommendations or where to find them?

I'm a relative newbie to Raspberry Pi and I'm trying to decide on a project that might both relate to my interests and help develop my programming skills. I've a Pi3 and have only done some small ...
0
votes
0answers
16 views

Hostapd + wpa_supplicant: Blocking behavior while both in use

I'm using a Pi 3B+ to simultaneously run in AP & managed mode (on interfaces wlan0 & ap0). I noticed that while the Raspberry is attempting to connect to a network over wlan0, connecting to ...
0
votes
0answers
20 views

Raspberry pi4 does not synch to correct time after startup (ntp service running)

After startup my RPI synchs to the correct date, but the time remains about 90 minutes off (behind). sudo ntptime gives: sudo ntptime ntp_gettime() returns code 5 (ERROR) time e4e82bc8.c2d92000 Sun,...
1
vote
1answer
17 views

PWM transducer won't update frequency

I'm creating a simple script that outputs a text input to morse with an LED and a transducer via the GPIO pins on a Raspberry Pi 4 Model B. I tried to add input functionality with buttons that can ...
-2
votes
0answers
21 views

multiple buttons in list

so i have 2 list, 1 for my inputs and 1 for my adresses i have a problem with putting my GPIO.zero input buttons in a list for not repeating the same code The second list is at the moment not a issue ...
0
votes
0answers
26 views

Need help setting up Torctl on Raspberry pi

I am trying to route all the traffic of my raspberry through the TOR network. Being completely new to Linux, I followed the first method of this guide, I had no errors during installation but once I ...

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