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

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3
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0answers
34 views

Advantages of Raspberry Pi 15-pin MIPI camera interface (CSI) connector cameras above USB webcams?

What are advantages of cameras dedicated for Raspberry Pi (I mean those connected via dedicated camera connector and tape) above those usb webcams ? Is it just economy advantage (better value for ...
0
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2answers
21 views

How to capture images from 2 webcams parallely using raspberry pi?

I am working on the following code: import os os.system("sudo fswebcam -d /dev/video0 -r 1280x960 image.jpg") os.system("sudo fswebcam -d /dev/video1 -r 1280x960 image2.jpg") in above code, the ...
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0answers
28 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 ...
0
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0answers
18 views

Detecting red contours

I am trying to detect the largest red contour my picamera captures. The following is the code from picamera.array import PiRGBArray from picamera import PiCamera import cv2 import numpy as np ...
0
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1answer
15 views

VLC does not release webcam resource

I have bought the NoIr cam for the Raspberry Pi. I stream the video of that camera to my other Ubuntu server using VLC: cvlc v4l2:///dev/video0 --v4l2-width 1920 --v4l2-height 1080 --v4l2-chroma h264 ...
0
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1answer
27 views

how do i proceed with SPI on raspberry pi 2?

i am quite new to programming raspberry pi. (though i have used apt-get update and upgrade to install, and i have enabled the SPI mode in the rasp-config) i have recently purchased the arducam mini ...
0
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0answers
21 views

Adafruit DC & Stepper motor HAT example code for control of movement

New to RPi and Python but learning fast. I am making a camera timelapse slider and having difficulty with the python script. Any help appreciated. I have: Adafruit DC & Stepper Motor HAT ...
2
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2answers
48 views

Can the RPi Camera cable be folded/creased?

The RPi camera uses a cable that looks nearly identical to a flat flex cable. The regular RPi Camera connector. The Pi Zero adapted version. I have seen videos of people folding/creasing these ...
1
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2answers
14 views

Is it possible to write data directly from a mobile to a PC through the mobile's SD card slot?

I have to questions: -Is it possible to write data directly from GoPro to a Raspberry Pi through the GoPro's SD card slot? -How does Micro SD card function? I would like to use my GoPro (hero 1) as a ...
0
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0answers
20 views

Raspberry PI + MotionPi and sensors

I've been using the MotionPi distribution for a little while to turn my Pi Model A into a security Cam. It works awesome. Prior to discovering this disto I was using rasbian and the Python Picamera ...
0
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0answers
50 views

Raspberry Pi Zero with Sony IMX219 as front door IP camera?

I've never owned a Raspberry Pi, and was wondering whether it would be feasible to use a Raspberry Pi Zero as an IP camera to be attached to the spyhole on my front door? The idea is to be able to ...
0
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0answers
43 views

Mirror image output from v2 pi camera in motion

can anybody tell me how I can flip the mirror image output in motioneye .I am using a pi3 with a v2 8meg pi camera with the latest pi3 motioneyeos.I have now tested 3 different cameras with the same ...
0
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1answer
23 views

Motion camera not showing video in browser

I have a problem with motion. I created a web page where I put my motion video, like this: <html> <title> Camara </title> <head> <h1 style="font-family:calibri;">Camara ...
0
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0answers
21 views

opencv image is black

I'm facing a problem where the image displayed by opencv and the image displayed by picamera are different. picamera displays an image as expected but opencv just displays black. any thoughts? code ...
1
vote
1answer
29 views

Motion goes active (exited) after a few minutes

I'm not a native english speaker, just in case... if you don't understand something please ask me. I installed motion in my Raspberry pi B+ to use a web camera, when I run: sudo service motion start ...
0
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0answers
16 views

Gstream error - no element “h264parse”

I have tried various permutations on the gstream command line but always end up with the error :-erroneous pipeline: no element "h264parse". The command line is :- raspivid -n -t 0 -w 1080 -h 720 ...
1
vote
1answer
36 views

Pi camera viewing angle

I am using the following pi camera(6 numbers) for my 360 degree camera project. It is a 160 degree camera. My question is what will be the vertical angle? can that also be 160? I have to design a ...
3
votes
1answer
103 views

motion detection and recording video with webcam

I want to record a video with a webcam when a PIR sensor detect motion, I have the picamera library installed, can any one help, thank you? import RPi.GPIO as GPIO import time import picamera import ...
1
vote
1answer
40 views

Faster long term exposures

I want to take repeated long term exposures with the Raspberry Pi. I understand that the maximum exposure time is around 6 seconds. However, taking a 6 second exposure with raspistill takes over 40 ...
0
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1answer
46 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 ...
7
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2answers
101 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
31 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: ...
0
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1answer
23 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 ...
0
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0answers
19 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
223 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
173 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 ...
0
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0answers
58 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 ...
3
votes
0answers
61 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
53 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
votes
1answer
88 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 ...
0
votes
1answer
122 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 ...
1
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3answers
49 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
38 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
54 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
60 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 ...
3
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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 ...
0
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0answers
64 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 ...
0
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2answers
285 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
votes
1answer
280 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
121 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
38 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 ...
0
votes
1answer
151 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 ...
0
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0answers
130 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 ...
0
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0answers
45 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
57 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
votes
1answer
641 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
55 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
40 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
147 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 - ...
4
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2answers
125 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?