Questions tagged [camera]
Use the Camera tag for any questions related to how to use a camera or webcam with the Raspberry Pi.
108
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Camera Module Turn LED Off
I've made the disable_camera_led=1 change to the sudo nano /boot/config.txt and rebooted my Pi. The issue is the LED has stayed on?
How do I turn it off?
5
votes
4
answers
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Streaming live from the picam
I have tried to install Motion to stream from the cam. So I went to: RASPBERRYPI-IP:8080/8081 but it didn't show me my stream. I have no idea how Motion works and I am curious if this is the best and ...
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votes
2
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Custom White Balancing with picamera
I need a method to set the White Balance of the raspberry pi camera by "teaching it". Such as it is in DSLR cameras, I'd like to show a white picture to the camera and say "OK, this is white, now ...
- 151
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votes
2
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USB camera with new Pi 3
I'm trying to take snapshots with my Pi3 + USB camera. I've tried a few different things, but all with different results. I've tried:
mplayer -vo jpeg -frames 1 tv://
And the output text is:
...
- 313
5
votes
1
answer
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Can the Exposure or Brightness of a Pi-cam be adjusted without interrupting a running process
If I have a running process using the camera (recording, streaming, motion detection or whatever), is it possible to adjust the brightens from a 2nd SSH session or from a different deamon process ...
- 273
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2
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578
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Triggering two USB cameras connected with single Pi at the same time
Is it possible to trigger two Cameras connected by USB to a single RPi at the same time with 1 ms latency?
5
votes
1
answer
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Camera, Ubuntu, modprobe bcm2835-v4l2 ERROR: could not insert 'bcm2835_v4l2': Operation not permitted
I have added a camera to the raspberry but I get the following when trying to load the driver:
root@deadlock-desktop:~# modprobe bcm2835-v4l2
modprobe: ERROR: could not insert 'bcm2835_v4l2': ...
5
votes
3
answers
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Best way to stream video over internet with RPi?
I'm wondering what is the best way that I can stream video from the camera module over the internet. By "best" I mean lowest latency (can't suffer a second delay for example, this is a real-time ...
- 51
4
votes
2
answers
4k
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How to access raw Pi Camera data?
I am trying to use a Pi Camera to take various pictures, but only if the overall picture is not pitch black or really dark (as I will mount it in my office and do not want it going while I'm away). I'...
- 93
4
votes
4
answers
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Raspberry Pi camera doesn't work only displays red light
When I run my code, I get this error:
No data received from sensor. Check all connections, including the Sunny one on the camera board
The red light on the camera module glows, but doesn't ...
- 63
4
votes
3
answers
7k
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Relative benefits of standard vs NoIR module cameras for Raspberry Pi
I'm looking at the module cameras available in Amazon, and it seems a clear choice between the standard module camera and the NoIR version (which is the same as standard but with infrared filter ...
- 575
4
votes
1
answer
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What is the speed of the Camera Serial Interface (CSI) and its cable?
What is the speed of the CSI interface and cable?
I'm looking for an answer that is in either x kb/sec or x secs/picture.
- 1,198
4
votes
1
answer
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Installation of Zbar failed
I'm trying to install Zbar but I am having an issue with ./configure:
checking linux/videodev.h usability... no
checking linux/videodev.h presence... no
checking for linux/videodev.h... no
configure: ...
- 193
4
votes
1
answer
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How do I downgrade Raspbian?
I have Raspbian Jessie and recently I did sudo apt-get dist-upgrade and after that update, my Raspberry Pi camera stopped functioning. How do I downgrade Raspbian in order to get my camera working ...
- 1,198
4
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1
answer
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IoT Core RPI3 Camera drivers
This is kind of a last ditch effort to see if anyone knows of something I might have missed.
I have an USB camera( for reference: http://www.elpcctv.com/5megapixel-usb-camera-module-usb20-omnivision-...
- 91
4
votes
2
answers
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raspbian-output-video-camera-to-3-5-lcd
I have a pi3, pi camera and kookye 3.5"lCD. On power up the OS is displayed on the 3.5 screen and the touchscreen works fine. When I run the camera it doesn't out put to the 3.5lcd. Likewise when I ...
- 41
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2
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raspistill annotation timestamp not updating
When doing a timelapse, the annotation only shows the initial timestamp, not the current timestamp of each frame - which makes imho no sense? Am I doing something wrong? Is there any quick workaround?
...
- 141
3
votes
2
answers
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Using other camera modules to build custom webcams
I have three old iPhones (iPhone 3GS, iPhone 3G and an iPhone 4) that I recovered from family members that were going to throw away. I had the 3GS so out of curiosity I disassembled it and recovered a ...
- 141
3
votes
1
answer
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KeyboardInterrupt Handling with picamera
So I have a python program in which I'm using the picamera library to shoot pictures and record video. I'm using my program for scientific purposes and my goal is keep each picture as close to the ...
- 133
3
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1
answer
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Display raspicamera on PiTFT screen
There is tutorial like texys-2-8-inch-touchscreen-with-raspicamcorder-step-1 that use a tool that copy framebuffer rpi-fbcp.
After installation of notro firmware and loading PiTFT module :
sudo ...
- 1,124
3
votes
4
answers
3k
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How can you get video display using the FLIR thermal camera
I am working the Lepton FLIR thermal camera and trying to get a video stream from it using the Raspberry Pi. When I hooked it up and used the already existing code I got a red box on a black screen. ...
- 151
3
votes
1
answer
499
views
Take 5 images a second, triggered by motion sensor, switching between 2 cameras depending on time
I'm working on a project similar to a security camera with a Raspberry Pi NoIR Camera Module v2 and a FLIR Lepton 3.5 on a purethermal 2.
I am somewhat new to this and am not sure how to proceed. ...
- 31
3
votes
2
answers
990
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Connect Camera (TTL serial) to Raspberry PI
I recently bought a barcode scanner for a hobby project. I want to connect it to my Raspberry PI 3 B+. The interface for the camera is RS232 TTL serial. It has a flex cable about half the size of the ...
- 133
3
votes
0
answers
2k
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Is there a unique device ID for pi cameras?
I have multiple pi3s and multiple v2.1cameras. I'm taking pictures with a python script using picamera, I use the pis mac address as an identifier for the pi but I was hoping to be able to get a ...
- 606
3
votes
2
answers
2k
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How to use 2 (multiple) cameras in raspberry pi and detect objects and depth mapping
I am new in raspberry pi and all the hardware stuff and experienced a bit in java.
I have a project which I need to complete pretty soon.
For it, I need to run multiple cameras to cover all four ...
2
votes
1
answer
87
views
Time-lapse images not fully-rendered with example
I am having inconsistent results while taking time-lapses. I have batches where almost all images are incomplete/garbled/not fully-rendered while other images are perfect. Then, I'll get a batch where ...
- 141
2
votes
1
answer
7k
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Libcamera does not work on the latest OS
I bought the new HD RPi camera and want to connect it to my RPi 3. I checked on the Rpi website that raspistill is being replaced by libcamera, so I updated the OS to the most recent build (Bullseye) ...
- 133
2
votes
2
answers
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trying to run 6 USB cameras simultaneously on a single Raspberry Pi 3B+ with add-on 4 port USB hub with external power
We are trying to simultaneously run 6 cameras on a Raspberry Pi 3B+ with an add-on 4 port USB hub that has an external power supply. The cameras are set at 15 FPS with a colour image size of 640 X 480....
- 21
2
votes
2
answers
6k
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OpenCV display image: window system doesn't support opengl
I have a project which uses the raspberry pi camera and openCV (also: ROS) to do some movement analysis. However, when I want to display the image (with the openCV API or a ROS node), there's an error ...
- 23
2
votes
1
answer
2k
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Import composite/ntsc-signal
I already googled a lot and mostly read that importing composite Signal to the Raspberry is almost impossible. I would just take a webcam and proceed since it seems to be a lot easier.
The problem is,...
- 41
2
votes
1
answer
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U4vl Streaming to multiple web clients
I am using uv4l-raspicam and the uv4l-server with WebRTC support, and I am able to stream the image of my camera to one single viewer of the website. The other viewers get an error message that there ...
- 123
2
votes
0
answers
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camera error mmal: Received unexpected camera control callback event, 0x4f525245
I try to take picture with my raspberry camera, I got this error
mmal: Received unexpected camera control callback event, 0x4f525245
any idea???
- 1,195
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3
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Unable to capture image using the Raspberry Pi Camera Python
The raspistill -o image.jpg command successfully captures images. But when I try capturing from a really simple Python script, I get an error. The script is
from picamera import PiCamera
cam = ...
- 61
1
vote
2
answers
627
views
How to connect to Raspberry Pi remotely using laptop to see camera output
I have just completed my project on an object tracking robot using raspberry pi and I want to be able to view my live video output remotely but I cant seem to find a way how to do it.
What I ...
- 189
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vote
1
answer
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raspivid option -n together with ‐awb or -ev
When I run raspivid with -n option I cannot use options -awb and -ev does not work either. My goal is to use camera in greyscale mode without a preview window.
When I tested with -ev off then video ...
- 213
1
vote
1
answer
2k
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Unable to use time lapse feature with RaspiStill
For some reason RaspiStill has lost some of its functionality. When I tried to use the -tl argument it doesn't produce any photos and seems to hang up.
The full command I am running is:
raspistill -...
- 196
1
vote
2
answers
958
views
How close can the new High Quality Camera focus with the 16 mm C-mount lens? As close as 25 cm?
I have an application that needs to image something in the range of about 25-35 cm from the front of the lens. I'm looking at the new High Quality Camera with the 16 mm C-mount lens. The lens itself ...
- 562
1
vote
1
answer
492
views
raspistill timelapse stops producing output
So I'm trying to run a timelapse for 24-36 (or until storage space is full) but raspistill seems to stop producing output after anywhere from 50-300 stills.
raspistill -t 129600000 -tl 5000 -o tlapse%...
- 21
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vote
0
answers
3k
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USB camera for streaming
I need to stream the video to the monitor in real time. I am using the USB camera module(ELP-USB130W01MT-L21) interfaced with the Rpi(through SSH). Streaming USB camera and Rpi camera module are same ...
- 57
1
vote
1
answer
11k
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ERROR opening V4L interface: No such file or directory
Environment information (cat /proc/cpuinfo):
processor : 0
model name : ARMv6-compatible processor rev 7 (v6l)
BogoMIPS : 697.95
Features : half thumb fastmult vfp edsp java ...
- 269
1
vote
2
answers
3k
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Video streaming via motion jpeg, python3-flask, and the camera module
Recently I've been working on a project to stream video from one raspberry pi zero with a camera module to another with a small TFT display. The application demands that this stream has very, very ...
1
vote
1
answer
3k
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PiCamera circular buffer piped to gstreamer
I have a circular buffer that is monitored for motion and saves clips to disk. Following the everything is a file philosophy, I should be able to write to a Unix pipe like I write to a file and make ...
- 113
1
vote
1
answer
679
views
Ethernet camera is not reachable
I'm working with one Raspberry Pi2 connected to the wifi net (dongle) and one AXIS camera connected via ethernet.
The raspberry has a Static IP and also the camera.
Raspberry: 10.76.80.30
Camera: ...
- 41
0
votes
3
answers
3k
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Camera / raspistill - output image is black although preview worked
I just installed the v2 NoIR camera module in a Pi 3. I try raspistill -o test.jpg -t 5000. I see proper preview for 5 seconds, then preview window closes and I find the file test.jpg, but despite the ...
- 502
0
votes
1
answer
654
views
IP Cam and local network on different ethernet ports on raspberry pi
The Setup:
A raspberry pi 3b running raspbian is connected over two ethernet ports (eth0 native, eth1 over USB) to an ip cam at eth0 and to the local network and the internet over eth1 like scatched ...
- 3
0
votes
2
answers
465
views
Why do I keep seeing a red box when trying to connect my FLIR thermal scanner?
I am connecting the Lepton FLIR thermal scanner to my Raspberry Pi and I've gotten everything setup and working but when I try to run the program all I see is a red box surrounded by black.
...
- 111
0
votes
2
answers
4k
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Compute Module 4 and Camera Module v2.1 - How to configure?
I am confused by the instructions posted here which explain how to configure various Compute Module devices with camera modules.
These instructions appear to be confusing as they describe at least 3 ...
- 228
0
votes
0
answers
853
views
Raspberry PI 3 Model B+ resetting after every reboot
My RPi 3 resets itself after every reboot. All my settings, customizations etc are lost. Keyboard layouts, date/time setting, setting in the sudo raspi-config (camera setting etc), desktop ...
- 303
0
votes
0
answers
2k
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Raspistill in manual exposure
I found that using raspistill or Camera py module I cannot set lower speeds than 1/30" (converted to nano secs).
I want manual camera settings ISO = value and ss = value
All is fine in daylights but ...
- 156
0
votes
0
answers
1k
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How to connect Raspberry Pi 4 to sparkfun SSD1306 / SSD1309 OLED transparent display?
I just got the an OLED transparent Display from Sparkfun and I want to make it run, I youtube it but didn't found anything. Please help me with that.
- 1