Questions tagged [camera]
Use the Camera tag for any questions related to how to use a camera or webcam with the Raspberry Pi.
1,061
questions
2
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1
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Problem recording video with audio from usb soundcard using avconv
What I'm trying to accomplish in this program is that when video and sound is captured, the output file is .mp4 extension (or some other, like .ogv),
with video and sound. I know how to capture video ...
4
votes
3
answers
2k
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PiCam Not Working (At All)
As I recently bought the Picam, I tried capturing an image with :
raspistill -v -o file.jpg
But I got this error :
"No data received from sensor. Check all connections, including the Sunny one on ...
1
vote
1
answer
3k
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Using a USB camera deletes /dev/video0
Problem
When I use the USB camera attached to my freshly booted Raspberry Pi 3, I'm able to capture a single image/video. But when I attempt to do this again, the camera (/dev/video0) seems to have ...
1
vote
1
answer
72
views
PiCamera2 images with boxes and labels overlay with vis_util
I'm trying to get integrate tensorflow and picamera2 to do some basic object detection.
The logic works out fine (I think), but I'm struggling to draw the boxes/labels deduced on top of the image.
...
0
votes
2
answers
761
views
How to stream from Pi Camera to YOLO model?
I am new to Raspberry Pi and I want to do real-time object detection using YOLOv8 tentatively (will change if the fps is too low). I realize that by using the code below, it can't detect Pi Cam as the ...
0
votes
0
answers
11
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Need to stream a feed from a flir lepton to a small version raspberry pi to a .24 inch ferroelectric liquid crystal micro display [closed]
Need to stream a feed from a flir lepton to a small version raspberry pi to a .24 inch ferroelectric liquid crystal micro display. I have SOME experience with raspberry pi, reading questions and ...
0
votes
0
answers
16
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cameras not found after rebooting
I'm using raspberry pi 4 with Arducam quad camera kit and HD-Weitwinkel cameras. The cameras are not found when I reboot raspberrypi. However, when I reinstall raspberrypi os bullseye legacy, the ...
0
votes
0
answers
23
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Issue with 12-megapixel High Quality Camera
I have a strange issue with my camera. I have installed it correctly, if I enter:
libcamera-still -o test.jpg
[0:47:15.362288136] [3186] INFO Camera camera_manager.cpp:297 libcamera v0.0.5+83-...
0
votes
1
answer
116
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RASPIVID provides a still image for the duration of -t value
Full command string: RASPIVID -o test1vid.h264 -t 10000
File is saved. Updated Buster prior to installing camera. Reseated cable, swapped cable, swapped camera each with no change in results.
...
-1
votes
0
answers
10
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How to fetch images from camera with DMA?
How to fetch images from camera with DMA?
I have a imxXXX-like camera which seems to work only with DMA. Not an expert, but, from what I understand, DMA is like MMAP but with different kind of buffers ...
0
votes
1
answer
1k
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What folder does Motioneyeos save movie files to on my microSD card?
I am using a RaspberryPi Zero W to build a nest camera for wildlife studies. The hope is to have a camera run continuously while attached to a battery and solar system while saving files to the ...
0
votes
1
answer
104
views
Encoding of JPEG Image with lightning
I am building a timelapse camera system with the Pi HQ Camera. At night with manual exposure settings of 20 seconds, analogue gain and digital gain settings set, during lightning storms, the image ...
0
votes
0
answers
30
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Pi Camera V2 not working
When I type the command "vcgencmd get_camera," I get the following output: supported=0 detected=0, libcamera interfaces=0
And when I type the command "libcamera-still -o test.jpg," ...
0
votes
0
answers
12
views
libcamera-hello: how to know the actual device used?
libcamera-hello: how to know the actual device used?
The --list-camera option gives:
$ libcamera-hello --list-camera
Available cameras
-----------------
0 : imxXYZ [wxh] (/base/soc/i2c0mux/i2c@1/...
1
vote
1
answer
131
views
Why does the camera image not appear in picamera?
I have a rPi4 using it with Pi cam 1.3.
Tried with
camera = PiCamera()
camera.start_preview()
sleep(5)
camera.capture('/tmp/picture.jpg')
camera.stop_preview()
but does not pop up anything, but the ...
0
votes
2
answers
47
views
Raspberry Pi 4: available devices?
I have a Raspberry Pi 4. No camera (nor CSI, nor USB) is plugged.
The Pi comes basically out of the box: installed a fresh raspbian with default /boot/config.txt. I just added an overlay for a (CSI) ...
0
votes
1
answer
103
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How to handle shots with Picamera2?
I'm looking for code to handle shots with Picamera2.
I want:
Take photo with the camera
Show plan on screen for x seconds
Save photo as jpeg image.
I try the code below but can't find how to adjust ...
0
votes
1
answer
4k
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Raspberry Camera on Kodi
I am trying to install a raspberry camera V2 8mp on a new raspberry pi 3 running LibreELEC Kodi. Can it be done from Kodi or should I reinstall Raspbian?
2
votes
2
answers
3k
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Can I set the camera's shutter speed for video?
I need to have a low shutter speed to be able to capture a light that is only on for a few milliseconds each frame (light synced with camera fps, but only want it to capture when the light is on). How ...
3
votes
2
answers
350
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Raspberry PI 4 B 8Gb running 2 ov9281 cameras with camarray hat: ERROR: *** no cameras available ***
I have a Raspberry PI 4 B 8Gb.
I have this kit (2 ov9281 cameras with camarray hat): https://www.uctronics.com/arducam-1mp-2-stereoscopic-camera-bundle-kit-for-raspberry-pi-nvidia-jetson-nano-xavier-...
0
votes
2
answers
180
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Can you access motionEyeOS via simcard?
So I want to set up a security camera remotely and I was wondering if you could connect motionEyeOS via sim instead of wifi and use it the same.
2
votes
1
answer
533
views
How to fix the libcamera error 'Could not open any dmaHeap device'
I've two Raspberry PI V2 cameras connected to my Raspberry Pi compute module 4 carrier.
The OS is (64bit) Bullseye 11
kernel is 5.15.76-v8+
libcamera-apps build: 9c5d3191b3f4 02-12-2022 (20:10:40)
...
2
votes
1
answer
2k
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Need advice on how to record video and audio using my RasPi
As an experiment and learning project, I want to create an action camera using my Raspberry Pi Zero W, the latest version of the RasPi camera module and an i2S microphone.
I have found some RasPi ...
0
votes
0
answers
60
views
Arducam Refusing to Connect but other Camera works with OpenCV
I have a problem with my Arducam OV5647 M32076M20. It simply will not work unlike the other generic rpi camera I have on the same code. I am unsure if there are any other dependencies that I need for ...
1
vote
1
answer
41
views
Can the RB Pi 4 Model B record two 4k streams from USB cameras simultaneously?
I've never worked with Raspberry Pi before but I want to know more before I buy any components.
I'm planning to record a soccer field with two IMX317 cameras connected via USB to the Raspberry Pi 4B. ...
3
votes
2
answers
5k
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Libcamera apps do not work
I'm on Raspberry Pi OS Bullseye, using a Pi 3B. The error message is differing from the ones I could find on previous posts, and there are different fixes by changing dtoverlay in /boot/config.txt. ...
1
vote
1
answer
7k
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Which camera settings does camera.exposure_mode = 'auto' dictate / supersede?
For example, if I want to change camera ISO with the Pi Camera Module 2, I don't see any difference in images between:
camera.iso = 100
camera.exposure_mode = 'auto'
camera.capture(filename)
and
...
1
vote
2
answers
472
views
RPi High Quality Camera degraded image quality and "spots" covering sensor cover surface; can it be fixed?
My Raspberry Pi High Quality Camera was excellent last year when I wrote this answer including these images but I tried it again a year later and something has gone very wrong with the front surface ...
1
vote
1
answer
655
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ENOSPC Error with Camera Module V3 on Raspberry Pi 3 B
I bought an Pi Camera Module 3. I have an Pi 3 Model B Rev 1.2.
I get the ENOSPC error when trying to use the camera with raspistill:
pi@raspberrypi:~ $ raspistill -o t.jpg
mmal: ...
1
vote
3
answers
752
views
could I Transfer the Video Data to Spi
The scenario uses two rasp's.
One shoots video and the other plays video.
Communication Between Devices is SPI with 500kHz Clock.
Is it possible?
I don`t know how to get Video streaming from camera ...
0
votes
1
answer
229
views
Camera Module 3 / PiCamera not working on Ubuntu Raspberry Pi
I have a Raspberry pi 4B with Ubuntu, and I’m trying to use my camera module 3 with python (I’ve tested the code with Raspberry Pi OS, so I know it’s right) using PiCamera and in a virtual environment ...
1
vote
1
answer
287
views
Exposure time in PiCamera not working
I am trying to take a long exposure image (30 sec+) in python using a RPi HQ camera (https://raspberry.piaustralia.com.au/products/raspberry-pi-hq-camera and the PiCamera module).
This is my code:
...
0
votes
0
answers
21
views
Issue with running multiple processes on a single webcam with Raspberry Pi 4
I have a Python program that utilizes threading to run multiple processes on a single webcam. The code works perfectly fine on my laptop, where it can run different processes simultaneously on one ...
2
votes
1
answer
145
views
Inconsistent error using HQ camera
I have been having some issues using the HQ pi camera. I am running Rasbian 11, latest apt update 11 march 2022. I use libcamera-still to take images and I call this command using python subprocess....
0
votes
0
answers
18
views
Understanding USB in Raspberry Pi Model 4
I encounter issues when reading from 2 cameras simultaneously in Raspberry Pi 4.
I connected an RGB camera to the USB3.0 port and another B/W camera to USB2.0 since cameras would be disconnected when ...
1
vote
1
answer
70
views
What is the earliest place in the boot process where camera (raspistill) can be used?
It seems that right after local-fs.target doesn't work. Any idea what prevents it from working early in the boot process?
0
votes
1
answer
107
views
RPi camera stops functioning after Adeept Motor Hat is plugged in
This is my first time posting a question and I am a new RPi user. I have bought a robotics kit from Adeept (The PiCar B) and I am facing issues with getting the RPi camera to work when the Motor Hat ...
0
votes
3
answers
2k
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Connect MC900 Mini CCTV camera via GPIO pins
Is there anyway to connect wires from a camera to GPIO pins on a Raspberry Pi to use/control the camera?
In my case this is the camera.
I to look something like this
1
vote
1
answer
492
views
Raspberry PI not picking up Logitech C270
I am currently struggling because my Raspberry Pi is unable to connect to the webcam. Running lsusb never shows anything (keeps loading) and v4l2-ctl --list-devices says Cannot open device /dev/video0,...
0
votes
1
answer
148
views
Viewing the captured content of the webcam live
How can I view the captured content of my webcam on Linux/Raspberry?
I dont want to share it, only view the content live on my monitor.
On windows Logitech has an official program where I can preview ...
1
vote
1
answer
239
views
Safest way to write images at a high framerate with Raspberry Pi
I'm planning on setting up a timelapse camera with the official raspberry pi camera v2 using raspistill. The frequency of the captured images is relatively high (10+ fps), but I do NOT need realtime ...
1
vote
1
answer
758
views
Why do I get an error message tells me that Pi Camera is not enabled even though it is?
I'm trying to run some code and it works with the Pi Camera and the Lepton FLIR camera, but the problem is that when I try to run the code I get a bunch of error messages ending with a line that says:
...
1
vote
1
answer
618
views
Connect a camera module with parallel camera interface to RPi
I want to connect the MT9M001 camera module directly to RPi. The camera (chip itself) has a 10 bit parallel interface. Is it possible to connect such cameras to RPi without additional chips?
2
votes
2
answers
7k
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Streaming from RPI over VLC
I realize this is a very commonly asked question but I haven't found anyone who's run into quite the problem that I'm running into. On my PI I run the following command:
raspivid -o - -t 99999 -w 640 ...
0
votes
1
answer
1k
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Glamor Graphic Errors troubleshooting libcamera on headless raspberry pi zero w
I've been trying to troubleshoot libcamera by enabling glamor graphics acceleration on my raspberry pi zero w v1.1. When trying to run I get the following followed by the process just hanging forever....
7
votes
4
answers
5k
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Which GPIO pins does the Pi Zero camera use?
I'm working on using the Raspberry Pi Zero camera as well as other sensors simultaneously. But while trying to figure out which GPIO pins the camera uses, so I know which ones I have left for other ...
-1
votes
1
answer
655
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Does Raspberry Pi Camera use specific GPIO pins?
I have a Raspberry Pi 4 Model B. Certain pins are used by some sensors. Once I plug my sensors into my system, the camera cannot be found by the Raspberry, on the other hand, everything works fine ...
0
votes
1
answer
190
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Two USB cameras and ASP.NET Core
I want to build a project based on the Raspberry Pi 4B and I would like to hear the opinion of someone more experienced with this platform (as I am mostly SW and did some projects with Arduinos) if it ...
13
votes
6
answers
37k
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Streaming H264 with Logitech C920
I have a logitech C920 webcam. It has the ability to directly encode the video in H264.
I want to reproduce what was done with a Beaglebone, but using a Raspberry Pi: send a H264 stream to the ...
1
vote
1
answer
12k
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NGINX Reverse Proxy IP Camera HTTPS and RTSP
I'm new to the Rasp Pi so am at a stage where I'm following existing instructions rather than knowing for sure how to solve problems.
I'm trying to set up a reverse proxy on the Rasp Pi, using NGINX ...