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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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1answer
171 views

Using FLIR Lepton3 module with Raspberry Pi 0 W low frame rate issue

I'm trying to use FLIR Lepton 3 module with Raspberry Pi 0 W board running Raspbian 9 Stretch. I followed all official FLIR recomendations: connected Lepton module to Raspberry in the correct way (...
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0answers
44 views

How can I distribute my workload among multiple raspberry pi running an OpenCV Application

I have 4 raspberry pis and one picamera. I wish to distribute my OpenCV task among the 4 pis. I haven't been able to find any good resources for how I could this efficiently anywhere. An approach I ...
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1answer
61 views

Pi Zero onboard time lapse camera read only file system?

I'm trying to build an onboard time lapse camera for my motorbike using a Pi Zero and a Pi camera powered by a USB port of my 5V 2.1A charger socket which has a on/off switch. since I'd rather avoid ...
1
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1answer
100 views

Qt Userland raspistill/racpicam integration - Unable to find an X11 visual which matches EGL config

I am developing simple gui app for a client on Raspberry pi running Ubuntu(Mate) 16.04 using Qt 5.5.1 and OpenCV for some face recognition (all C++) using 5MP pi camera. The framerate/CPU usage ...
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0answers
95 views

5 images(jpeg) per second OpenCV from purethermal 2 [duplicate]

Is it possible to capture 5 jpeg images per second from a purethermal 2 stream with opencv or another way on a raspberry pi for a set amount of time? If so how? (I have a FLIR lepton 3.5 on the ...
2
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1answer
168 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. ...
3
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2answers
236 views

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 ...
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0answers
34 views

How to connect/link two raspberry pies for video precessing?

i am fairly new to raspberry pi platform so this question may be too basic. I am working on a project where i need at least 2 camera modules for simultaneous video recording and processing and taking ...
4
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0answers
182 views

Custom camera driver

Is it possible to write a driver, say for a OV camera, based on the existing drivers at the RPI git repo? As is I understand, with a datasheet for a sensor it should be possible to write a similar ...
1
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0answers
29 views

How do you transmit image data and input data from Pi to PC?

I am currently working on a university Raspberry Pi RC Car Project that deals with image collection along with key user input data. What i cannot seem to understand from various tutorials online is to ...
0
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1answer
297 views

using raspberry pi with two usb webcams

I'm a semi-new user to the raspberry pi USB webcam world, although I'm used to the RPi camera. My question is, can I use two cameras taking pictures at the same time without the pictures being ...
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0answers
70 views

Taking and Saving images fast! with Raspberry Camera

I want to design an autonomous RC car using Raspberry Pi B+. To achieve this I have to collect training examples (images) and commands to drive the car autonomously. The problem is I send commands ...
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0answers
42 views

Shell script with loop, camera and fbi

I want to write a shell script which regularly / continuously captures images from a webcamera (via fswebcam) e.g. every second and show it then on the screen using fbi. In this way I want to have a ...
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0answers
99 views

USB camera pipe error after a while

We have RPi3B+ with Raspbian Lite installed, 2.5A power supply. We need to connect a specific USB camera (LEPTON PureThermal 2) and display its image. The connection with the camera works, it gives ...
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0answers
56 views

CM3 Two Camera Previews, one “hangs/freezes”

First time forum poster here, but I hit a wall in debugging this issue. Thank you in advance for any input! Issue: I am using two instances of raspistill preview for two hours on two Pi Cameras V2 ...
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1answer
24 views

What else do I need to build a surveillance camera that runs on battery?

I would like to build a camera to record sound and video when movement is detected. It would also be awesome if it could run on a LiPo Battery and can be safely charged without opening the case and if ...
4
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2answers
137 views

Ejecting USB dslr camera

I'm using gphoto2 to capture images with my nikon dslr connected to a raspberry Zero W My problem is that the camera stayes awake as long as there is a usb connection. How can I eject the USB ...
1
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1answer
68 views

Camera for taking pictures of small objects? [closed]

I would like to take pictures of objects about 10mm in size. The required image size is small, 640 * 480 is sufficient, but the object should fill most of the available image area. The frame rate ...
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0answers
62 views

Can I use a Rasp Pi 3 B+ for Home automation and camera hub?

I'm currently investigating a setup to start in home automation and security. Since this question touch a lot of topic, don't hesitate to let me know where I can ask them as I'm not sure myself. My ...
1
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1answer
1k views

UV4L raspicam webstreaming in H264

I'm having some trouble getting H264 streaming to work. I've been digging around a little and it seems the problem is that UV4L is sending raw H264, which is not directly playable in Chrome. Does ...
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2answers
235 views

Camera with speed sensor on raspberry pi? [closed]

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
165 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
37 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 ...
0
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1answer
924 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=...
2
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2answers
352 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
548 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
41 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
18 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
263 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
220 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
161 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 ...
1
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1answer
207 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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1answer
473 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
201 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
155 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
353 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
25 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 ...
0
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2answers
668 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
244 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
195 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
58 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 ...
0
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0answers
108 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
256 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
53 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
2k 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
26 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
207 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
66 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
votes
1answer
232 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
124 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 ...