Questions tagged [camera]

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

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22 views

USB camera to composite video out

I have an USB camera (640 x 480) that I would like to present on composite video out (live). Is there a way to get it fully automated? I mean, when powering up the Raspberry it should start up the ...
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How to switch Cameras on the Raspberry pi 3b?

I am working on a project and I need to take pictures in different directions depending on a programming input, I can manually switch the cameras and take a photo with them but I am looking for a good ...
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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) ...
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1answer
25 views

What spectrum of light can the NOIR camera detect/read?

Trying to establish what the NOIR camera can detect. We are more interested in the IR range of light that is possible. Specifically, we are using the NOIR in a dark environment (shutting out light) ...
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35 views

How to connect Raspberry PI 4 with camera on 64bit

I want to connect the camera with raspberry pi and make a live streaming between it and the laptop, I tried to use raspistill but it doesn't work So, If any one have another way ???
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HQ Camera: Save as BMP file not working consistently

I've been working on a project using the HQ camera where I want to take a small bitmap image (100x100), do some analysis on the bmp file, and using that information determine whether that exposure ...
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14 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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1answer
21 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 ...
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1answer
16 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 ...
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1answer
56 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 ...
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1answer
97 views

Software upgrade broke camera

I have a python script that turns the camera into a webcam. Today I did an upgrade: Get:1 http://archive.raspberrypi.org/debian bullseye/main armhf libc6-dbg armhf 2.31-13+rpt2+rpi1 [6377 kB] Get:2 ...
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how to control raspberry pi camera from bluetooth selfie button

i bought bluetooth selfie button, so i control pi camera throw bluetooth button. how do i control. i follow this website instruction. i successfully always connect button via raspberry 4 GUI. showing ...
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1answer
29 views

Barcode scanner application on Raspberry Pi board

I am looking for suggestions related to my test project. I am trying to make a barcode scanner on Raspberry Pi. I have bought the camera which is based on 1/2.8" Sony IMX290 CMOS sensor. This ...
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Why does dt-blob-dualcam.dts set both cameras as connected to i2c0 in Compute Module 4?

In dt-blob-dualcam.dts both CAMERA_0_I2C_PORT and CAMERA_1_I2C_PORT are assigned number = <0>;, despite being connected to different pins. Why is that? Relevant devicetree section:...
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Does V4L2 driver support Raw Bayer capture with HQ camera?

I was under impression that current V4L2 driver supports raw capture, but: pi@raspberrypi:~ $ v4l2-ctl --list-formats ioctl: VIDIOC_ENUM_FMT Type: Video Capture [0]: 'YU12' (Planar YUV 4:2:0) ...
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1answer
49 views

What's the minimum Raspberry Pi that can display the output from the Raspberry Pi camera at 30fps in real time?

Setup: A Raspberry Pi of some kind (TBD depending on answers to this question) A Raspberry Pi camera of some kind (TBD depending on answers to this question) A 1080p television, that will be ...
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Random Raspivid failure: tvservice-client

In my application, I run raspivid from Python via subprocess, typically raspivid -t 10000 -o vid.avi. (This is a permanently running app in which an outside event triggers the recording.) Sometimes, ...
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25 views

Motion on Raspberry Pi: Problems with 2 camera's on USB 4 channel composite video capture device

I'm using Motion on an rPi 4B as a multi camera solution to be used on a boat (to get 180° front view). I tested it with 2 IP camera's and one USB camera and that worked fine. I was able to view the ...
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1answer
35 views

How do I fix poor video quality from rpicamsrc?

After weeks of research, my understanding is that using rpicamsrc to stream video via rtsp is the preferred method. If you do something like raspivid piped to cvlc, you increase latency, etc. Right ...
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1answer
31 views

RPI Camera Module with Pico

does anybody know if it is possible to use the RPI Camera module (Rev. 1.3) with the Pico or any other RP2040 board?
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1answer
202 views

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 ...
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1answer
19 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 ...
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39 views

USB Camera on Raspberry Pi

I'm trying to run a USB camera on my Pi, but haven't found any ways to take a still image on it using Python. Has anyone seen any projects where a still image is taken on a USB cam? I am looking to ...
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10 views

My Raspberry Pi Wont Recognize Axis Camera Over Ethernet

I first wanted to say, this is not a duplicate of This Link I recently acquired a security camera, and have spent the last few months reverse engineering components to use it in a stand-alone system (...
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26 views

Pi zero camera module suddenly stopped working

I am using Raspberry Pi zero W together with Adafruit Zero spy camera for Pi (product link: https://www.adafruit.com/product/3508 ) for a project. As per the project requirement, the above camera ...
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41 views

Can't get 1080p30 / 720p60 from pi camera with OpenCV

I'm new to raspberry and raspberry pi camera. I'm using OpenCV and pi for a project; Using OpenCV and python, I want to get a high resolution video feed to process. On the official web page, it says ...
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1answer
40 views

Raspistill takes long time to run

I am trying to get my camera run on my raspberry pi 4. I can get an image, but the raspistill command takes about 6 seconds on average to acquire one image. Is it normal? $ time raspistill -o bar.jpg ...
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29 views

Remote camera control with Java

I'm beginner with raspberry pi. I want to create a project that will send live camera video from raspberry Pi to my android device. How can I do it? How I can control camera with Java? I think the ...
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43 views

How to display video stream captured on rasbperry pi camera on an external website?

I am trying to capture video stream using raspberry pi camera and display it on a web page hosted on a CentOS server. This is what I have tried: On the CentOS server, I am listening using: nc -l 11337 ...
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60 views

Confusing CSI connectors 15 or 22 pins

I am designing a CM4 board that may accept a camera so I am questioning about the camera connectors and port. The CM4 has two MIPI CSI ports: Camera 0 : 2 lanes Camera 1 : 4 lanes In the standard ...
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1answer
26 views

What's a good camera with IR-Cut for a Raspberry Pi Zero W

I'm working on an security camera for outside, and want to have vision at night(thus needing Infra-red light, and an infra-red camera), but also don't want that weird pinkish look that an IR camera ...
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24 views

Average images directly from the buffer

I am writing a script in Python for continuous long exposure image recording that saves n images into the buffer as shown: outputs = [io.BytesIO() for i in range(0, n)] camera.capture_sequence(outputs,...
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16 views

./camera_i2c: cannot open 5.0: No such file

I am trying to connect an Arducam 8mp syncronized stereo camera to a RP4. While setting it up according to the guide (https://www.arducam.com/docs/cameras-for-raspberry-pi/synchronized-stereo-camera-...
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29 views

Interfacing a camera (HM01B0) with RPi Pico

I want to build an image classifier and plan to use use it on Raspberry Pi Pico. Therefore I need to connect the Pico to a camera. I've got a HM01B0 camera module from Sparkfun here (https://www....
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1answer
44 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 ...
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25 views

HQ Camera with GPI Case

I have a Rbpi 4, 4gb with a HQ camera sensor on its way. I looked at the GPI case, very cool design. Could I use its buttons for camera purposes? Like code them to; turn on/off, shutter/record button? ...
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19 views

Fast way to copy from GPU to CPU

I have made some image processing shaders to reduce the CPU load. But the slow GPU to CPU data copy is something I didn't expect. (It takes around a second to copy a single image) As far as I know, ...
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2answers
49 views

Pyqt QCameraInfo.availableCameras() is empty

I'm doing a small project on Raspberry Pi 4. Also, I want to use QtMultimedia to list all cameras on pi, But it returns an empty list. # This is my testing code from PyQt5.QtMultimedia import ...
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26 views

NOIR Camera V2.1 not working in the dark

The camera used to work with pink shade in the morning and even in the dark without additional leds the last time used. I recently used it after a long time on a new system and noticed that it was ...
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22 views

Raspistill : Can I take multiple still pictures with different shutter speeds?

I am quite new to Raspistill. I want to take multiple images using my raspberry pi camera V2, but with different shutter speeds (ss). For instance, I want it to open a preview window, and take ...
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1answer
55 views

Installing libjpeg62-dev for using modprobe bcm2835-v4l

I need to use the Raspberry Pi camera with OpenCV. For that, I have to run sudo modprobe bcm2835-v4l. But for that, I need to install it. I did it on another RPi a while ago, but I forgot the whole ...
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75 views

(RPi4) AHD to CSI-2 and ENOSPC / PiCameraMMALError: Failed to enable connection: Out of resources

I have a fun one - I'm trying to get an analogue camera input (AHD using a normal BNC connector) over a CSI-2 cable/bus (standard RPi one, not the dual-lane Google ones), and be usable through the CSI ...
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17 views

UV4L reverting to MJPEG when ever i go to the streaming URL

In the control panel of UV4L I set the camara to 1080X720 H264 (raw streamable) And this seems to take and refreshing the page it stays as H264 format. However as soon as i go to "http:\ipaddress:...
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1answer
103 views

Raspberry pi camera pinout

Since my disable_camera_led=1/0 does not do anything and searching on forums did not help, I decided to debug it myself. Since I know disable_camera_led=1/0 turns on/off a pin in GPIO, I want to know ...
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21 views

CM3+ and RaspiCam V2 issues

I'm trying to use two RaspiCam V2 with CM3+ and Computer Module 3+ Development Kit board. I followed instructions provided in official links: Raspberry Pi OS with desktop and recommended software ...
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73 views

ERROR for pi4: mmal_vc_component_enable: failed to enable component: ENOSPC

Please help as I'm going mad! im using 2 cameras on the multi cam adapter module on a raspberry pi 4. I followed the Arducam multi cam adapter module documentation. I have been getting this error ...
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18 views

Record audio from mobile phone on local web page?

I'm trying to build a Nest camera knockoff using a Raspberry Pi. Right now, I have video streaming from a Pi camera to a local web page that I can view from my smart phone. Next, I want to add audio. ...
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0answers
23 views

Hardcoding timestamps onto image/video frames with the picamera library

My goal is for videos and images to have timestamps on them for an application I'm writing which uses the Python picamera library. My current implementation modifies the annotate_text attribute using ...
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1answer
46 views

How communicate between multiple raspberry pis over the internet?

0 I am working on a project with raspberry pi. I have a little experience with raspberry pi, but not so much. The project is as folows: There are 3 raspberry pi's with each a camera. One raspberry pi ...
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19 views

Camera in raspberry pi shows no input on screen

I am new to using raspberry pi I have rsp 4 model b, I need it for a college project I am doing, I bought a camera module for it. and it doesn't show output on screen using "cheese" I am ...

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