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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45 views
Camera with speed sensor on raspberry pi?
im useing raspberry pi 3 with ultrasonic sensor and normal usb camera . so i will connect the raspberry pi to AZURE IOT HUB so ive setted the ultrasonic sensor in a place so if any car pass that place ...
1
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1answer
41 views
How can I diagnose a headless Raspberry Pi Zero W that hangs?
I'm trying to run my Pi Zero W as a motion detecting camera using RPI cam web interface but it keeps hanging after a few hours at most. Before it hangs, it can record motion detect videos and upload ...
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0answers
12 views
Digital IR bandpass filter using Bayer data from NoIR camera?
I have a project that requires the use of a localized portion of the spectrum in the NIR range. Say from 750nm to 800nm. For the time being, I'm using an optical longwave bandpass filter specifically ...
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1answer
31 views
raspberry pi camera failed to enable connection
I have been following the tutorial on this page on setting up the raspbery pi
https://www.raspberrypi.org/documentation/configuration/camera.md
and when I run sudo vcgencmd get_camera
I get supported=...
1
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2answers
43 views
Turn off visible light from camera IR lamps?
I have a Raspberry Pi IR camera with 2 attachable IR lamps. I am not sure if it is the same but it looks very similar to the Waveshare unit mentioned here frequently, eg in this question.
The goal ...
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2answers
82 views
What is the fastest way to send commands to Raspberry Pi over ethernet?
I'm working on a IoT project. The idea is basically: I have a notebook running a Python program that get frames from an IP camera, process it, and based on the result change a Raspberry Pi GPIO pin ...
1
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1answer
24 views
Pi Camera LED blinking
I have gotten back to using my Model B Revision 2.0 Pi. After starting it up, I noticed the red LED on the camera is blinking (not the Pi itself, that one is solid). When I take a picture, the ...
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0answers
14 views
PiCamera Minimal latency between real world event and digital data presence
Using a picamera, what is the best latency one can achieve from a real world event like an led lighting up and the Pi/MCU 'knowing' it has occured(by extracting image data)?
I would also be ...
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0answers
18 views
when i ran the program i had alwayse the same problem with my camera : import error no module named “picamera.array” , picamerap is not a package
# test de la caméra picamera.py
# importer les paquets requis pour la Picaméra
from picamera.array import PiRGBArray
from picamera import PiCamera
import time
import cv2
# initialisation des ...
0
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0answers
23 views
Pi Camera choppy video/skipped frames
I'm using the Pi camera to record 30 seconds of footage, triggered by an IR break beam sensor. This is running on a Pi 3 B+. I've soldered in all the wiring using an Adafruit Perma-Proto Pi Hat. My ...
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1answer
38 views
Programming Raspberry Pi Camera with C instead of terminal commands
Disclaimer: not so advanced here!
Let me explain why I am looking for C code because the motivation itself maybe flawed. If I want to transport my Raspberry Pi project to the realm of customized ...
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0answers
23 views
Explain how to correctly warmup the camera
I get that we need to let the camera warming up to set AWB and other automatic stuffs, but, how and when ?
I see people using time.sleep(1) or time.sleep(2), and regarding to discussions, this seems ...
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0answers
30 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%...
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0answers
17 views
4 photos at the same time?
I want to take 4 photos with 4 different cameras simultaneously. Is this possible to do with the raspberry pi?
Im trying to create a modern digital version of the Nishika n8000 which uses film.
If ...
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1answer
28 views
Raspberry Pi Camera Taking Takes Blurry Pictures
I just got a camera for my raspberry pi 3, more specifically the Arducam 5 Megapixels 1080p Sensor (https://www.amazon.com/gp/product/B012V1HEP4/ref=ppx_yo_dt_b_asin_title_o01__o00_s00?ie=UTF8&psc=...
1
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1answer
28 views
Pi Camera streaming via gpio
is there a way to transfer the video stream from one raspberry pi to another via gpio pins? One pi is In a closed container with the camera and the other pi drives the user interface. Networking is ...
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0answers
41 views
Can't set PS3 Eye USB camera as default sound device in alsamixer
When I try to change default sound card in alsamixer to USB PS3 Eye camera (which is detected as USB Camera-B4.04.27.1), I'm getting following error:
cannot load mixer controls: Invalid argument
I ...
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0answers
55 views
Docker container, “* failed to open vchiq instance”
My Raspberry Pi camera is running on my RP3 and works fine. I am trying to run it inside a docker container, but I keep running into the * failed to open vchiq instance error.
This is my Dockerfile
...
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0answers
15 views
What is the operating humidity of the Raspberry Camera Module V2
I'm developing a project involving a Raspberry Cam that is likely to take pictures in a relatively high relative humidity context. However, I can control the relative humidity (the setting is in a ...
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0answers
107 views
Can't get MLX90640 working
Warning. Really long post.
Hi. I’ve been having problems in getting my MLX90640 thermal camera to work on my Raspberry Pi Zero W.
I’ve connected the camera to Pins 1,3,5,7,9 as instructed.
I then ...
1
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1answer
37 views
Scanning a QR code using a raspberry pi zero or a Pi3 via a command line script
I need to scan a QR code via the command line when a script is run. My current setup is an epaper display with integrated 4 buttons. So far I have each button programmed to run a script to change ...
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0answers
36 views
How to toggle a push button to capture an image and insert a string in a text widget?
I have a project that involves capturing an image using a push button and after I use image processing I can convert it into a string. How do I make the string display the tkinter text widget while ...
0
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1answer
53 views
two PIRs problem
i am building a security system which consists of two PIRs (GPIO 17 & 18) relay GPIO 24 , video will be emailed and will receive a text message when motion is detected . the camera can see both ...
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0answers
50 views
180 panoramic based on multiple cameras
Need some help please :)
I would need some help to find the best option for a product upgrade. Right now, it consists of a Raspberry Pi 3 B+ with the Camera Module v2 and an external mobile ...
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0answers
62 views
How to record video from two cameras simultaneously?
I connected two PS3 Eye cameras to my raspberry pi. Separately, cameras work fine. I can record the video in any supported resolution and frame rate. Unfortunately when I tried to record video from ...
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0answers
24 views
Possible to Power an IP camera from Pi
I have a raspberry pi 3 b+.
I was thinking instead of using an USB camera or the camera module would it be possible to connect an IP camera?
The raspberry pi will be powered by a battery and the pi ...
1
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1answer
209 views
How to increase usb webcam fps?
To record video from my USB webcam I use ffmpeg with v4l2 driver (command below).
ffmpeg -f v4l2 -r 30 -s 640x480 -an -sn -i /dev/video0 -f avi temp
Unfortunately fps is too low for 640x480 (around ...
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0answers
11 views
Multiple delayed output from pi camera
I’m trying to create up to 4 delayed outputs from the pi camera. The length of the delay needs to be varied 15-60 seconds. Is there a way to buffer the cameras feed and use the same buffer for all the ...
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0answers
75 views
UV4L - USB Camera: Device not detected
need some help on what I'm doing wrong. Cannot run
uv4l --driver uvc --device-id 1415:2000
due to following error messages:
<notice> [core] Trying to loading driver 'uvc' from built-in ...
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0answers
37 views
4 cameras recording on one Raspi - a possible workaround for the processing power issue?
I have been researching an option for a 4 camera recording setup using one raspi. I know it is not possible to do in a simple, straightforward way.
However, I wonder if it would be possible to have ...
0
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1answer
76 views
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....
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0answers
54 views
How to connect Solenoid Lock to Raspberry Pi 3
Here is the scenario:
(We also have camera)
Here is the link for solenoid lock: click here
When we run the our python code, camera will take an picture of QR code and it can get the QR code content
...
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2answers
48 views
Add night vision to Rpi camera?
Wanting to add night vision to my cheap Rpi cameras for video surveillance and recording. I ordered these from aliexpress,here
Will these provide that functionality sufficiently?
Or will I need to add ...
3
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1answer
186 views
Trim camera cable for pi 2 for Raspberry pi zero
I ordered a camera for my pi zero w and got the wrong one. Can it be trimmed to fit the zero’s smaller connectors
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2answers
88 views
Rpi camera as webcam has low quality
I want to capture high quality images from RPI using Chromium and the Rpi camera as webcam. If I take photos with raspistill I can get 8MP quality. I'm trying to do the same within the browser but ...
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0answers
196 views
PS3 Eye USB Camera Not Detected - Raspbian Stretch
After updating to Raspbian Stretch (kernel 4.14.90-v7+), my Playstation 3 Eye camera is no longer detected on any of the three Pi3 Model Bs that I have. lsusb does not report the device and dmesg ...
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0answers
34 views
Connecting multiple wifi network
I am really new to the pi world, I have a quick question. I am planning to build a small wifi surveillance system with Pi. So basically 4 wifi camera's streaming data. I am planning to use this camera ...
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1answer
58 views
Advice on thermal cameras
I'm thinking about getting a thermal camera for my Pi Zero. Anyone know what I should look for? Can I use the Melexis MLX90640 32x24 or the Flir Lepton 80x64?
I just want to plug, simple and easy ...
2
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0answers
59 views
How to connect CMOS image Sensor to Raspberry Pi
I'm wondering if it would be possible to take an image sensor out of an old camera and plug it in to a raspberry pi via the csi connector. For Example would it be possible to take one like this from ...
0
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1answer
38 views
build a minimal camera (OV5647 + microSD + ?)
I want to use the OV5647 camera module to start to store data (as soon as it is fed, I don't know yet whether in photo or video format) to a microSD choosing a specific rate and resolution (e.g. ...
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2answers
121 views
Trying to connect IP security camera to Raspberry Pi 3 using only a Ethernet cord
I have an IP camera outside of my Garage, I have little to no internet out there so I cant connect using wifi. so I am wondering if I can connect my Camera using a ethernet cord to the Raspberry PI ...
0
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1answer
49 views
Need advice on how to record video and audio using my RasPi
As an experiment and learning project, I want to create an action cam using my RasPi Zero W, the latest version of the RasPi camera module and an i2S microphone.
I have found some RasPi action cam ...
0
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1answer
57 views
Develop RPi framebuffer program on Linux laptop
Is there any emulator or some other way to develop a program for my 320x480 Adafruit PiTFT screen (available as /dev/fb1) on my Linux Mint laptop?
The program currently gets images from Pi Camera, ...
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1answer
59 views
How to detect if camera is unplugged from CSI bus when it is running?
I am having an issue as below.
I make a Qt application to show video got from the camera module. And when showing video, if the camera is unplugged from CSI bus, I must know that and show a warning ...
2
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1answer
250 views
“Raspberry Pi Zero W” version Help
Can anyone help me about "Raspberry pi zero w" version 1.1?
I recently ordered my first Raspberry Pi Zero W (1.3), But I got Pi Zero W (1.1).
There are many difference between them...
But I know ...
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1answer
116 views
RPi video streaming through a VPS
I have a VPS and I want to use it as an intermediate server so that users can have access to the video stream of RPi Camera remotely. I searched many posts and most of them are about setting up a ...
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1answer
240 views
How to read RAW Picamera jpeg images in python
I acquired a set of images with the command raspistill -r -ss 100000 -o image.jpg, and I'd like to process the 'JPEG+RAW' images, which I already obtained, with OpenCV on python. I am aware of ...
1
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1answer
64 views
Picamera: set shutter_speed with RAW acquisition
I'm using a RPi zero W with a camera V2 to acquire RAW images (I used this).
However, I would like to set the shutter speed; I used this to do that, but that doesn't work:
import time
import picamera
...
0
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0answers
156 views
Connect RunCam to raspberry pi
Just recently I got RunCam micro swift 3 (https://www.runcam.com/download/MicroSwift3-Manual.pdf) for computer vision project. However, I am struggling to understand how can I connect it to Raspberry ...
2
votes
1answer
263 views
Unable to detect cam module in raspberry pi 3 b+
I have my cam module connected and have also tried sudo apt-get update && sudo apt-get upgrade but the pi is unable to detect the cam module.
On executing this command : vcgencmd get_camera
...
