4
votes
Shutter speed and exposure time of picamera
Yes you can control shutter speed and many other things.
For example
raspistill -ISO 800 -ss 6000000 -o out.jpeg
Will set the ISO 800 and the shutter speed to the maximum 6,000,000 microseconds, or ...
- 871
4
votes
Getting errors in pip install picamera
[Errno 2] No such file or directory: '/proc/cpuinfo'
That directory is missing. I don't think that you can install PiCamera on Windows.
4
votes
Non Native Raspberry Pi Camera
According to the documentation you linked to, this camera doesn't come with an application to capture images. They offer a demo application, written in C, but other than that you have to write your ...
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4
votes
Accepted
picamera and Ubuntu 20.04 arm64?
The longer answer is that rpi does not support it in their packages. The camera is functional under aarch64.
Don't install the rpi packages picamera on Ubuntu 20.04 64 bit, instead use opencv, for ...
- 156
3
votes
Powering Raspberry Pi 3 with 5v/3A Buck converter
I am using a similar setup with a 12V power rail (from mains with a 12V power supply - not a battery) with a 5V/3A buck converter to power a Pi 1B for more than 3 years now without any issue. Also ...
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3
votes
Accepted
Powering Raspberry Pi 3 with 5v/3A Buck converter
Yes, it is perfectly safe.
You lose two protections so take care.
The microUSB socket is keyed so you can't mix up +ve and -ve. Take care when connecting.
The microUSB socket feeds into a polyfuse ...
- 70.4k
3
votes
Help need with python script for PiCamera
If I've understood correctly, you want to capture 5 images, each with a different shutter speed, wait five minutes, and then repeat. In that case, capture_sequence isn't applicable as it would capture ...
- 4,522
3
votes
How to tell if the Pi Camera is connected?
From command line, you could use vcgencmd utility as shown below:
$ vcgencmd get_camera
supported=1 detected=1, libcamera interfaces=0
When no camera detected the output would be:
$ vcgencmd ...
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3
votes
Accepted
Raspberry pi camera module 3 works only on libcamera
The old camera stack with Picamera will not be updated for the new v3 camera.
You will have to swap to the Picamera2 modules.
- 3,496
2
votes
Accepted
How to light up picamera LED without taking photo
You can turn on the camera led through the pi’s GPIO using the python code below:
#!/usr/bin/env python
import time
import RPi.GPIO as GPIO
# Use GPIO numbering
GPIO.setmode(GPIO.BCM)
# ...
- 2,383
2
votes
Accepted
Picamera: set shutter_speed with RAW acquisition
From the docs:
"the shutter_speed attribute is constrained by the camera’s framerate so the first thing we need to do is set a very slow framerate"
Try this when you instantiate your PiCamera: ...
- 203
2
votes
Accepted
Camera used to work, now waiting forever to take a picture
I reconnected all cables, removed screws and it didn't work at the end. I switched to another camera and it works fine.
FYI: If you came here searching this, probably your camera is dead.
2
votes
Accepted
Wide angle lens for Raspberry Pi v2 camera
According to the comments section of the lensholder at Thingiverse one has to remove the PiCamera's lens. Note that removing the lens makes the camera susceptible to dust and damage. Be extra careful ...
- 15.8k
2
votes
Shutter speed and exposure time of picamera
You can control the shutter speed in python with the package picamera.
Installation for python 3:
sudo apt-get install python3-picamera
Documentation for the shutter speed method:
https://picamera....
- 601
2
votes
Accepted
Wrong timing in picamera video capture?
If you do not specify the default framerate in python then it will be set to 30fps. The players you are using expect a frame rate of 25fps. So your 30 second video should last 30seconds x 30fps/25fps =...
- 36
2
votes
Camera access in docker container is generating errors / locking
Looking at the error message, you probably don't have the correct permissions. Try adding privileged: true to your docker-compose.yml file (or something like --privileged=true if you are using docker ...
- 121
2
votes
USB Camera vs Pi Camera
I'll turn my comment into an answer: Yes, it certainly is possible. I've read through a couple guides and my personal choice would be this Github. The readme provides a pretty good tutorial on how to ...
- 6,355
2
votes
Accepted
How to run piCamera script in rc local?
Try including the full path to the python executable in rc.local, for example
/usr/bin/python /home/me/Desktop/python/cameratest.py &
- 111
2
votes
picamera.exe.PiCameraIOError: Failed to write 291840 bytes from buffer to output <picamera.stream.BufferIO object at 0x62f70c60>
You have to ensure that the horizontal resolution is rounded up to the nearest multiple of 32 while the vertical resolution has to be a multiple of 16. This works for the Raspberry Pi HQ camera:
...
- 41
2
votes
Help with Port Forwarding for College Project
Assuming you are running everything local on the Raspberry Pi, you can connect the RaspberryPi which is connected to your college WiFi to your home computer, without hacking or opening your college ...
- 145
2
votes
How do I stream video from raspberry pi cam to my android phone app in order to access it from anywhere?
We have developed something that you want. You need to install the motion package on your raspberry pi. It will transmit streams over HTTP/HTTPS protocol with authentication.
You should install motion ...
- 4,285
2
votes
Pi Camera (F) disable Night Vision on Day and use as normal camera
You can adjust how the brightness of the IR LEDs responds to the light sensors using these tiny adjustment screws. You're still going to have some IR artifacts in the images since the camera still ...
- 21
2
votes
Why can't I access camera through my remote desktop?
The camera preview most likely writes directly to the frame buffer. This is not captured by the VNC server application.
you can solve this issue using fbcp in order to capture the HDMI output; ...
- 89
2
votes
Accepted
Is there a jpg viewer for a pi zero w running buster lite
You can either install the GUI desktop stack and use whatever you like there, or else you need something that runs on the kernel's software framebuffer. I'm not sure if this is what the camera preview ...
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2
votes
Accepted
Speckle noise from Raspberry Pi NoIR camera V2
A 2-meter ribbon cable can totally be a problem. It's easy to test: if you plug the default cable which came with the camera instead, and the noise goes away, then it's the cable.
The camera was only ...
- 27.6k
2
votes
How can I specify the format of a picture as a MIME-type?
Picamera does not seem to support TIFF. Here's a list of supported formats from the documentation:
'jpeg' - Write a JPEG file
'png' - Write a PNG file
'gif' - Write a GIF file
'bmp' - Write a Windows ...
- 27.6k
2
votes
Display monitor closes while running a python code on Rpi zero
Updates:
I have figured out the cause of this issue, it seems like when the annotator is called several times in the loop it allocates several resources and doesn't release them between loops. The ...
- 21
2
votes
How to tell if the Pi Camera is connected?
Most likely at this point in time you will need to run libcamera-hello to see if the camera is working.
Docs: https://www.raspberrypi.com/documentation/accessories/camera.html
Most examples are going ...
- 121
2
votes
How to add libcamera to pyenv
Install this. sudo apt install -y python3-libcamera python3-kms++2
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Only top scored, non community-wiki answers of a minimum length are eligible