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Questions tagged [picamera]

For questions involving the python picamera module used with cameras that into the CSI jack on the board. For questions about use of the camera hardware itself, use the 'raspicam' tag.

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How to fetch latest camera frame from PiCameraCircularIO?

To achieve maximum performance delivering single JPG frames as a simple webservice I constantly fetch into a circular buffer with the picamera API. Unfortunately the documentation about it is not very ...
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15 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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24 views

Pi Zero freezes with using camera recording / motion detect programs

I am having problems with a wildlife cam project I am working on. setup: Pi Zero W Stretch 2018-11-13 Pikrellcam with settings: 1024x768 12 fps 3,5 Mbitrate However, the pi frequently freezes. I ...
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24 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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12 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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18 views

How do I use a push button hardware to call a class? [on hold]

I am making a project using a raspberry pi. In this project, I have to capture an image and go in a process of computer vision. I created a UI and in this UI, for after I click a button widget I use ...
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1answer
29 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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35 views

Fast pictures with PiCam and Java

I was already searching through forums and this stack exchange but I couldn't find anything that helps. So here is my problem. I have written a program in Java that analyzes pictures and outputs ...
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Python PiCamera V2 won't take bmp images, why the errors?

from picamera import PiCamera import time camera = PiCamera() camera.resolution = (3280,2464) time.sleep(2) camera.capture("test1.bmp") # This code doesn't work #camera.capture("test1.jpg") # This ...
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10 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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41 views

raspicam TCP video streaming over ssh - almost there… but need help

I am trying to pipe raspivid over ssh to my main computer, and then via gstreamer send the stream to a dummy video device (thanks to V4l2loopback) environment : v4l2loopback version: 0.12.0 kernel ...
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My videobooth powered by raspberry pi, has a buzzing noise in the video clip, because of external lightning

My videobooth consist out of: raspberry pi 3b picamera (I use picam) usb microphone (which is actually a external sound card usb with jack input to the microphone) 4 led TL lights (230V) (switched on ...
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1answer
17 views

Camera errors when running Python script at boot from rc.local

I have a Python file that calls the camera to take video when a motion sensor is triggered. I am running it at startup using rc.local (I have the '&' at the end). When I run it normally, it works ...
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70 views

PI NOIR Camera Not Working

I recently bought a Raspberry Pi 3B+ and a Pi Noir Camera and attempted to set them up. I followed the install instructions on the Pi website for the board and camera, and unfortunately received an ...
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21 views

Configuring Raspberry Pi Face Detection and Espeak

I am working with a Raspberry Pi Face Detection program and Espeak to tell that Human Face Detected. I'm using Pi Camera for face detection. The face detection program works fine. But the problem is ...
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1answer
138 views

RPI object tracking with multiple objects

I have been reading a tutorial on creating a Rpi colour based object tracking system but have been unable to test it due to me being a away from my Rpi. However I have read through the code and it ...
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1answer
32 views

A way to connect M RaspiCams to N raspberry Pi Compute modules, where M>>N?

I am planning to set up camera rig, which will require 10+ cameras (preferred 20+ or "as many as possible" in spatial arrangement around the observed area. The setup will be academic, experimental, ...
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27 views

Can pi cam with raspberry pi take pictures at car speed of 40KPH?

If I attach a pi-cam at front of a car and want to take pictures of the road at car speed of 40KPH, can the pi-cam take clear pictures? And is there a way to constantly change the fps of picam ...
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64 views

How do I get Raspberry Pi Camera Serial Number?

This is necessary so that we can uniquely identify cameras that get moved between pis. We found that we could get the camera serial by communicating with it over i2c0, but this required enabling i2c0 ...
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1answer
56 views

How to light up picamera LED without taking photo

I want to light up the picamera LED using python for a few seconds as a test to see if it works, without actually taking a photo. And yes I know I can test that by just taking a photo and watching it ...
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1answer
52 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 ...
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1answer
59 views

PiCamera Motion Error

I am using the Raspberry Pi 3 B+ w/ Raspbian Stretch. I am currently unable to view the video stream on port 8080 or 8081. When I start the command: motion -s "test" recipientemailhere This is what ...
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1answer
25 views

Camera used to work, now waiting forever to take a picture

I was using my camera fine, however; today after a short travel inside its original box, when I use raspistill .. I get no data received from sensor error. I have checked the ribbon, and the led on ...
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145 views

berryconda Pi Camera

I recently installed berryconda python 3.6 on my Rasp pi b+ And now my programs for accessing the Pi camera do not work. I know I have the pi camera enabled thru theses steps: https://projects....
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1answer
62 views

Octo print with Pi Cam works fine, added webcam but can't find the Pi cam any more

I've been using my raspberry pi cam module wonderfully for a while and it's attached to the corner of my print bed so I can monitor the first few layers and general build. I want to add a webcam to do ...
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2answers
120 views

Making a IoT Motion Sensor w/ Security Camera

I'm trying to find the easiest and most efficient way to create one. I have the below already, is there anything else that I would need? Where can I find some code for me to copy. I don't necessarily ...
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1answer
195 views

Multiplexer vs RPI Compute Module for stereo camera?

I am looking to capture images simultanously using 2 picameras (tried USB the FPS is low). It seems like there are 2 options: Raspberry Pi compute module 3 with IO board which gives 2 CSI ports(...
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1answer
60 views

Wrong timing in picamera video capture?

I'm using a real simple python script to capture a video file to a file, taken from the "simple recipes" guide : import picamera camera = picamera.PiCamera() camera.resolution = (640, 480) camera....
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2answers
340 views

Powering Raspberry Pi 3 with 5v/3A Buck converter

I am using Raspberry Pi 3 with Raspbian OS. I will be powering my Pi 3 board from a output of 24V battery. So I will be using a 5V/3A buck converter. I will be connecting my GPS, Pi camera and 4G ...
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1answer
281 views

Picamera error picamera.exc.PiCameraMMALError

I just bought Raspberry Pi3 B+ and camera module. I installed Python and opencv on Pi. There was no outstanding error during installation. I connected to Raspberry pi via ssh from my mac. When I run a ...
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1answer
318 views

Picamera capture to array is slow

In python module picamera, does anyone noticed that camera.capture(array, 'rgb') is quite slow?? If you try to measure this time is about 540ms... example code (the "real code" is irrelevant): from ...
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Inconsistent Raspberry Pi Recording Behavior

BACKGROUND I've created a recording program in Python 3.7 that reads solar and tidal information, and schedules the Raspberry Pi to capture photographs at times of interest using the camera module v2....
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43 views

log TTL event time along with frame timestamp using picamera python library

I am using picamera library to store the frame timestamp along with the video. Next, I am sending square TTL pulse to the raspberry pi GPIO pin with the following signature: 1 second ON, 1 second OFF, ...
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57 views

Picamera mmalobj screen capturing not working (empty output file)

I would like to capture an image from a camera connected to Raspberry Pi 3B. Because I am using the MMALSplitter and MMALRenderer for side by side VR preview I have to use the MMAL object library. I ...
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114 views

Move PiCamera overlay with button

Sorry for my bad English. I am a beginner in programming and need help. I would like to be able to move an overlay on a picamera image with a button. Can you help me to create the function? fx=0 ...
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79 views

RaspiCam on RPi 1 B+ doesn't show images

I'm trying to get a livestream with the official raspicam (with IR; revision 1.3) working, which is attached on my Raspberry Pi 1 Model B+. The problem is, that I get an gray screen when I'm ...
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1answer
37 views

Accessing GPU memory content

I'm currently working with advanced picamera parameters. A new functionnality to come is the "lens shading correction", a RGGB array that modify the image generated by the camera in order to ...