Use the Camera tag for any questions related to how to use a camera or webcam with the Raspberry Pi.

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27 views

Raspberry Pi 2 Camera and Alpinelinux

How do I make the camera work? I installed v4l-utils, but v4l2-ctl is not working because /dev/video0 isn't there. And raspistill says that it needs the camera to be enabled via raspi-config, but ...
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2answers
68 views

How do I detect the type of camera installed?

I need to know how to remotely detect whether an 8mp or a 5mp camera module is connected to the rpi for implementation in an embedded project. Any help?
0
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1answer
23 views

lighty-enable-mod: command not found

I'm just starting out with Raspberry Pi. Following the instructions to set up a security camera (Link) all goes well until the command: sudo lighty-enable-mod fastcgi-php and I get the message: sudo: ...
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1answer
18 views

undefined reference to QCamera constructor

I'm writing a simple camera project for Raspberry Pi, via cross compiler visual studio. step 1: I created a qt project using visual studio step 2: coding for project When coding for project, I ...
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0answers
17 views

Camera-Pico Projector Calibration

I am using a Pi NoIR camera to capture image from certain area. I am also using a pico projector, which is used to project the image. Suppose, the camera is taking image from ROI having corner ...
0
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1answer
76 views

RPi camera v2.1 not working

New camera module showed up in the post this morning and I'm trying to run some tests. Unfortunately I've got software problems straight off the bat. I'm attempting the tests on a Pi A+. I've run ...
1
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1answer
108 views

Camera modules v2.1 - what's new?

There are new versions (v2.1) of both the standard and NoIR camera modules on sale as of this morning (see http://raspi.tv/2016/new-8-megapixel-raspberry-pi-camera-2-1-launches for some brief ...
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0answers
42 views

Raspberry Pi 3 Interactive Led Strip Wall

At the moment we're working on an interactive led screen wall for the entrance hall of our new studio. I've setup the following frame with 17meters of WS2812B addressable led strips.We're using the ...
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0answers
41 views

Green Tint Raspberry Pi Camera Outside

I am getting a green tint or full green saturation on pictures that I have taken with the Raspberry pi camera module while outside on sunny days. I am powering the raspberry pi from a battery while ...
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0answers
43 views

Very Cheap Camera Module or Lens for Raspberry Pi

I have been looking around for any cheap (less than $7) alternative to the official Rasberry Pi camera module. Is there any extremely cheap camera module/feature/extension available for Rasberry Pi? ...
0
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1answer
72 views

Could my RPi overheat in the summer?

I'm planning on using a RPi 3 as security camera, so naturally it would be running 24/7. My OS is Motion Eye OS and I believe it's fairly hard on the CPU. Summers can be relatively hot where I live ...
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1answer
76 views

“Failed to open video device /dev/video0 no such file or directory” with normal working usb camera in motion

I have a normal usb 2.0 cam. Connecting it to my pc, it works perfectly. It is not working with my raspberry pi(2). I had installed motion and it had worked good before 2/3 weeks when I tried it but ...
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3answers
43 views

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 ...
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0answers
26 views

Using Raspberry Pi 2 B with Pan Tilt and OpenCV 3.0.0 for the 1st Time

I am very new to Raspberry Pi, and This is my first time using it. I have read a lot from the documentation on the official website, and I really got great things. After that I installed OpenCV 3 with ...
0
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1answer
41 views

raspberry camera module cannot be opened with device ID

i am trying to run this face recognition code from here! i successfully installed OpenCV on the raspberry, and i used the code before on windows. but here i have the problem with the raspberry ...
0
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1answer
43 views

PiCamera Multiple Video File Recording H264

I want to know if it's possible to record four H264 video files with PiCamera with a specific frame ? For example, I am recording 10 seconds of video at 4 fps. So normally, I will get a video file of ...
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2answers
65 views

Why doesn't the Picamera suffer from a CPU interrupt made by linux?

Why does the Picamera not suffer with an interrupt from the CPU and is able to capture video successfully? The Pi doesn't use a real time operating system. So there must be lots of processes running ...
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0answers
44 views

UV4L MJPEG stream gets stuck after a while

I'm using UV4L HTTP server for MJPEG video streaming from Raspberry Pi Model B v2. I've followed this manual, How to install or upgrade UV4L on Raspbian Wheezy & Raspbian Jessie (for Raspberry ...
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2answers
135 views

Raspberry pi camera module libavformat

I have a camera module connected to my raspberry pi and have followed these instructions to make it work for a stream: Installation guide I type this command to test it: ./motion -n -c ...
3
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1answer
207 views

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: ...
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0answers
100 views

Jessie: v4l2 streaming works with RPi 1B+, but not with 2B or 3B

I just recently upgraded my series of Pi's (1B+, 2B, 3B) to Raspbian Jessie Lite. Now, when I try to setup a stream with my Pi NoIR Camera as I did in Wheezy, sudo modprobe bcm2835-v4l2 cvlc ...
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0answers
31 views

Camera suddenly stopped working on B+, still works on Rpi 2

After few days working with raspberry camera module on a B+ board, the camera suddenly stopped working. When, for example, I launch raspistill, the camera led lights up, but after few seconds I get ...
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1answer
100 views

opencv raspicam configuration C++ Example

I need any help with this error pi@raspberrypi ~/opencam_test $ sudo g++ simpletest_raspicam_cv.cpp -o simpletest_raspicam_cv -I/usr/local/include/ -lraspicam -lraspicam_cv -lmmal -lmmal_core ...
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0answers
115 views

Raspberry Pi Zero and USB camera Issue

I have a video streaming application which works well on the Raspberry Pi 2. I am trying to switch out the Pi 2 and move everything to a Pi Zero. When I connect the USB camera to the Pi Zero ...
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0answers
42 views

Camera will not work after Infrared lights are installed

I have this Omnivision 5647 camera board that works well on its own but as soon as I screw the IR lights to the side of it, the camera will not work and something is failing because I don't get a ...
0
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1answer
47 views

Processed live video via Ethernet transfer

I'm trying to track an object with a webcam and my pi (let's call it pi1). Therefore I have a python script, which gives me a processed live video as an output. Besides, I have another pi (pi2) which ...
4
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1answer
631 views

Using GPU to decode QRCODE

I'm using a raspberry pi compute module and my question is : Can we use the GPU to decode QRCODE ? I am using my own function inspired by the one from QRTOOLS and by doing so the timing is divided by ...
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0answers
45 views

Why is the Raspberry Pi Camera Shutter Speed Limited to 2 Seconds

I have been doing a lot of coding for the Raspberry Pi Camera in Python and have stumbled across a problem. To change the shutter speed of the camera in Python, it is possible to use this attribute: ...
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0answers
36 views

Unable to run openCV on my raspberry pi

The above are images of two terminal windows. i am trying to run OpenCV for which it is necessary to to workon cv. while i run it on ssh i am able to workon cv but it says cannot connect to X ...
2
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0answers
118 views

Stream video from camera using ffserver?

I'm trying to stream video from the camera module using ffserver. My server configuration is HTTPPort 8090 HTTPBindAddress 0.0.0.0 MaxHTTPConnections 8 MaxClients 4 MaxBandwidth 1000 CustomLog - ...
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2answers
113 views

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?
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0answers
111 views

Recording video directly to mp4 using gstreamer

I have a noir camera connected with RPI2 and I try to record video using raspivid, then redirecting output to gstreamer to mux it to mp4: pi@raspberrypi:~ $ raspivid -t 10000 -w 1280 -h 720 -o - | ...
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1answer
67 views

Turning off the blue status LED on the logitech C920 usb camera? [closed]

I am playing around with the logitech c920 as a baby monitor. Hence I would like to turn off the blue status light if possible; preferably via unix command line. Is that possible?
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1answer
82 views

Raspicam images are way too dark when raspistill is not used

I am trying to grab continuous images using Raspicam 1.3v on Raspberry Pi 2. I use c++ and the following library for interface: http://www.uco.es/investiga/grupos/ava/node/40 When I use raspistill, ...
2
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1answer
17 views

Raspistill: use existing photo to define shutterspeed and iso of new photo

I have found that using raspistill with the --timeout option to significantly reduce the time before the camera takes a photo doesn't give the camera enough time to choose good exposure parameters ...
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0answers
81 views

Unable to stream video on Raspberry Pi 2

Following some of the answers in this question, I tried setting up an RTSP stream by running: raspivid -o - -t 0 -hf -w 640 -h 360 -fps 25 | cvlc -vvv stream:///dev/stdin --sout ...
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1answer
69 views

Peephole Viewer Project, Model B or B+? Accessories? Feasibility?

I'm trying to put together a project that will allow me to put a Raspberry Pi on my door with the PiCam Module and display the video stream (NOT SAVE IT) from the peephole on a TFT touch screen ...
4
votes
1answer
291 views

Camera on Raspberry Pi Zero

Is it possible to connect the pins of the Raspberry Pi camera to the GPIO of the Raspberry Pi Zero (as it does not have a port for the camera)? Is it a good idea? I want to do this because I want to ...
2
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1answer
54 views

Purple Haze while recording from raspicam and picamera

I am recording from 8 raspicams using picamera. Initially the cameras gives the desired output but soon there is purple band/haze which appears on 3 cameras out of 8. I checked for digital_gain, ...
4
votes
1answer
122 views

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: ...
1
vote
1answer
38 views

Trigger cameras on a multiplexer at the exact same time for all 4

I have a Raspberry Pi 2,and I have 4 cameras linked to it via the multiplexer board. I would ideally like to be able to trigger all 4 cameras to take a picture at exactly the same time, but from what ...
2
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2answers
213 views

RPi OCR or how to read a number from the camera

Tried googling first but could not find any interesting hits relevant to what i am looking for. The wild idea is to put a camera in front of an energy meter or watt meter display and read the ...
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0answers
32 views

saving 10 pics per second using Raspberry pi

I am developing a scanner which slides 10 pages per second. I want to install a camera which can take a picture of each page before it slides away and saves it to a storage. I understand Raspberry Pi ...
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0answers
59 views

How to fix error code for Raspicam (0x4f525245)?

When using my Raspberry Pi, my camera stopped working and I get the following error. For those who cannot read it, it says: Traceback (most recent call last): File "_ctypes/callbacks.c", line ...
4
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1answer
121 views

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 ...
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2answers
307 views

Want to put a variable into os.system command on Python 3, but it doesn't work

I want to use this command: thenumber=0 os.system('raspistill -o image(thenumber).jpg') time.sleep(3) thenumber=thenumber+1 I have imported the OS and Time so this script should work. My aim is ...
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1answer
41 views

I have a regular flex cable, which i know want to connect To a Computer via usb

the real question here is if it is possible to connect a flex with a USB. specifically i warnt To connect the rasperry Pi s Camera with a Computer.
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2answers
84 views

Raspberry Pi with camera module as webcam?

I have been running the raspberry Pi with camera module for a little time right now as my "outdoor camera" (because I couldn't really afford a nice camera for on the road). now that I have a decent ...
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0answers
248 views

raspberry pi camera live video streaming with Gstreamer over RTH to Android

I am using Gstreamer to send raspberry pi cam live video feed through wifi to my android device When I use : raspivid -t 999999 -h 720 -w 1080 -fps 25 -hf -b 2000000 -o - \ | gst-launch-1.0 -v ...
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0answers
27 views

How to change the pi camera timestamp to MMAL_COMPONENT_RAW_STC_MODE?

I just wanted to test out a few things and ended up taking a look at the code for picamera. I found out that the camera.frame.timestamp value is picked from RESET_STC_MODE and want to set it to ...