Tagged Questions

A camera is an optical or opto-electronic device that records a 2D image of a 3D scene. Cameras can be still cameras (photography) or video cameras for moving images.

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2
votes
4answers
81 views

Industrial flash (LED?) for rolling shutter

I am developing industrial monitoring system, at this moment with Raspberry Pi and its camera (this might change if it is not satisfactory). The camera will take still pictures of the scene once in a ...
0
votes
1answer
67 views

read magnetic stripe read through mobile camera? [closed]

Can we read the debit/credit's magnetic stripe through mobile phone camera?
0
votes
2answers
59 views

Best Sensor for obtaining types of objects at a distance

I could not completely describe the sensor required in the title, what I am looking for is a sensor that can pick up if there is a different material, from a preconfigured material type, lets say in ...
1
vote
0answers
49 views

Are there thermovision cameras available to hobbyists?

Years ago, while investigating a short, it came to me that using a thermal vision camera would help an electrical engineer in a lot of situations. Checking it then, such devices were prohibitively ...
0
votes
1answer
23 views

Amperage for Sony SNC-VB630 Camera [closed]

I am trying to choose a right DC adapter for SNC-VB630 CCTV Camera but the only specs I could find in the official documentation was 'INPUT 12V DC'. Nothing about amperage. I have a 12V dc adapter ...
0
votes
1answer
41 views

Can I modify this bluetooth keyboard to only have a certain keys so I can carry it around?

I'm trying to make a bluetooth remote shutter release thing for Androird and iOS. I asked about doing it from scratch but everyone thinks it's too ambitious for a beginner, so I gave up on that Few ...
0
votes
0answers
13 views

Guide to integrate CMOS camera with Arduino [migrated]

This is my first time working with camera. To start learning I need to capture images using the camera using arduino. I have Google searched on how to wire the camera and write simple program to ...
1
vote
0answers
48 views

Differences between MIPI-CSI1 and MIPI-CSI2

I'm trying to find what makes a difference between MIPI-CSI1 and MIPI-CSI2. From what I understand on this specifications document, they both work the same way, except that MIPI-CSI2 offers up to ...
0
votes
1answer
61 views

Displays, camera, speakers, microphones: why after more than 50 years of development do they still need calibration? [closed]

An old question running through my mind: Displays, camera, speakers, microphones: why after more than 50 years of development do they still need calibration? Whatever cheap or high-end material I ...
-3
votes
1answer
55 views

Analog video surveillance camera motion detection feature [closed]

For example Samsung SCB-2000PH Specification PDF has motion detection feature. For what purpose it is in analog camera? That camera does not have any output pins/connectors, that can trigger some ...
0
votes
0answers
65 views

Canon EF SPI data protocol and IS activation

I have been trying to find information about Canon EF data protocol between lens and body. So far I have seen examples how to control focus or aperture but I would like to know how IS is activated. Is ...
0
votes
1answer
271 views

Is there a wifi chip on this board? [closed]

I have a Sony QX10 camera, with comes with built-in wifi. I want to to connect wired ethernet to it. I was hoping I could find a wifi chip inside the camera, and solder to where the ethernet traces go ...
10
votes
4answers
4k views

Why is it so expensive to produce cameras for non visible light?

Typical consumer cameras can capture wavelength of 390-700 nm 400-1050nm . But why is it so difficult and expensive to produce cameras for infrared, ultraviolet, hard x-rays, etc.? The only thing ...
0
votes
0answers
45 views

Marsboard A20 camera module

Is it possible to use this camera module (or any other same camera module, preferably PAL) with new MarsBoard A20? According to specs, it has only CIF camera headers and some other EXT headers. So ...
3
votes
3answers
106 views

Selecting digital componentry in bulk [closed]

There are a ton of electronics retailers and suppliers on the internet, all selling components at (essentially) retail prices. But when big companies need to use digital components (batteries, ...
0
votes
1answer
90 views

OV7670 frames are 640x308 not 640x480

There is a lot of helpful information on the internet about getting the OV7670 camera up and running but the following problem has me a bit stumped. I am using a Maple r5 Board (STM32F103RBT6) to ...
-1
votes
1answer
82 views

Safe line IR laser which will be seen from 15 meters by camera module

What characteristics (wavelength, mW) IR line laser should have to: be seen by camera module from 15 meters outdoor in day-light too safe for eyes line as big as possible thickness of line should ...
0
votes
2answers
104 views

How do you wire up the OV3640 camera module?

I've been wanting to do a project with this module in mind and have found some resources on it (mainly arducam) but I have no idea how to connect it to a micro controller. The data sheets show that ...
1
vote
1answer
84 views

Xilinx Video Timing Controller freezes processor

I'm trying to acquire video from an image sensor using a ZedBoard with Vivado 2014.2 and I used an existing (working) video passthrough project of mine and simply added in a debayer (color filter ...
1
vote
1answer
645 views

Raspberry Pi stereo camera frame synchronization/genlock (video or still image)

I need to frame synchronize a stereo camera for a computer vision application. The synchronization should the best possible, hopefully on a millisecond level. I would like to get about 10 FPS either ...
1
vote
1answer
320 views

Genlock two OV5642 camera modules on Arduino with ArduCam

I need to shoot stereo video or stills at about 10 FPS possibly in perfect sync. My plan is to set up a 3D stereo rig (2 standalone units - each consisting of Arduino UNO + ArduCam shield + OV5642 ...
0
votes
0answers
341 views

Interfacing MSP430 Launchpad with OmniVision Camera Module?

I have seen that it is possible to interface an OmniVision OV2640 camera module with Ardiuno Uno. Would it be possible to interface this Camera Module with an MSP430 Launchpad board to get a video ...
2
votes
2answers
159 views

Digital camera sensors and long exposures

Why do digital cameras need a long exposure time in low light conditions? Sometimes the exposures are 15-30 seconds or longer. Doesn't the electronic sensor achieve a steady state under 1 second or ...
0
votes
1answer
144 views

Instructions on building CMOS camera wifi video transmission [closed]

I am not sure this is the appropriate place to ask this kind of question, but I believe this is the best community to ask. I'd like to learn how to build my own circuit that would be capable of ...
1
vote
1answer
157 views

Can an IR camera be used in broad daylight?

I am wondering if it is at all possible to have an IR camera that can be faithfully used in broad daylight. I have already seen this question here, but I am looking to understand if a full blown ...
1
vote
1answer
84 views

Determining purpose of camera pins [closed]

I bought a small HD camera for a quadrocopter. It is dedicated for the specific model and supports filming motion JPEG movies and shooting stills. (photos not mine) The connector is custom and ...
1
vote
1answer
76 views

Testing camera framerate variability by filming clock time

I would like to test the framerate variation from nominal value in a range of consumer video cameras. For this I intend to film some sort of high frequency clock and compare the displayed clock time ...
1
vote
1answer
113 views

3ms Camera LED Flash

After getting some ideas (thanks to users Russell McMahon, akellyirl, The Photon...) and some extra research and redesign, I would like to hear opinions about how to approach my LED flash project. ...
0
votes
2answers
68 views

Cell phones video encoding

My question is, how are cell phones bale to produce on the fly video like mp4? Are they using a hardware encoder chip? Because most of them run on ARM chips? Are there ARM chips that can handle the ...
1
vote
0answers
100 views

Building a H264 Camera circuit

Good Day, I am working on a project that requires a camera module that links up to a linux board. The future plan is to make a custom PCB, however, it seems that there are no resources out there that ...
2
votes
2answers
87 views

Powering DSLR with buck/boost convertor

I've been experimenting a bit with time-lapse photography lately. Still basic stuff. Right now I have to change batteries every so often which is a pain because it's hard not to move the camera when ...
0
votes
1answer
88 views

Can infrared cameras be used in the presence of light or is it compulsory it has to be used in the dark, to get a thermal image of the desired object? [closed]

The question I asked could seem silly but I was wondering if there was a way of capturing the heat signatures of objects or people even during the day time. Also if we were to use an infrared camera, ...
0
votes
0answers
181 views

Transform RGB RAW 8-bit/10-bit into JPG

Any guidance in how to convert the RGB RAW 8-bit/10-bit output of a OV9715 sensor using Arduino? Any free software library we could use? Is it possible to process the JPG with some open hardware like ...
0
votes
1answer
81 views

How can I find out which leads are +, - and video signal on this miniature camera? [closed]

I have this miniature camera but lost the cable connector. How can I find out which of the leads are positive, negative and video signals?
5
votes
1answer
128 views

What is special about camera flash capacitors?

Capacitor manufacturers offer capacitor series that are specifically targeted on camera flash applications. For example, Rubycon has the FW series, and NCC has the PH series. These have working ...
0
votes
1answer
99 views

Where can I buy a finished mobile camera module? [closed]

I am interested in buying a really small camera module for one of my projects. I know I can buy some iPhone/Samsung camera replacements on Ebay. But I have no information on their connectors and ...
1
vote
1answer
64 views

Problems with extending camera module bus/cable?

I like the idea of using a GoPro (or other action camera) as a helmet cam when I'm riding my motorcycle, but I don't like having a big box glued to my forehead. I'm imagining a camera with the camera ...
1
vote
3answers
624 views

Interfacing VC0706 with AVR Microcontroller

I am having trouble interfacing a VC0706 Camera with only an AVR Microcontroller. I am using simple serial communication but the camera does not respond. I tried connecting it with a computer but ...
2
votes
2answers
271 views

Component for covering a very tiny hole (pinhole camera aperture)

I am experimenting with a pinhole camera - it is basically a camera with a very small hole (only 0,2 mm in diameter) instead of a lens (Wikipedia) I am trying to design the shutter - something that I ...
0
votes
1answer
53 views

Camera trigger issue [closed]

I have a camera from Imaging Source and it captures just one image for every external trigger pulse. But I want it to capture 3 images. Is there any idea of how to do it ? The datasheetfor the ...
0
votes
1answer
762 views

How to reduce the data rate?(OV7670 + AL422B(FIFO) Camera Module)

I bought this module: OV7670 + AL422B(FIFO) Camera Module and I want to send the live video of the camera by this NRF24L01 but I have a problem. I don't know is the RF module suitable(NRF24L01) for ...
4
votes
2answers
159 views

What is the sensor name and use and circuit diagram for Current TV will be used based on Body parts movement?

I want to know more about the Sensor which are used nowadays in the TV and Laptops we can access the functionality by moving our body parts. also used in Game play in Playstations, Laptops to change ...
2
votes
1answer
271 views

Help for find Camera Datasheet or interface to st32f103

I want to use of S302's Camera(the S302 is a mobile phone with a good camera) and interface it st32f103 but, unfortunately I can't find any datasheet for it. Also, I can find the schematic of Phone ...
4
votes
1answer
632 views

What's the difference between a thermal imaging sensor and an infrared CCD?

I was always under the impression that thermal radiation is essentially infrared energy, so what's the difference between a full thermal imaging camera (e.g. an FLIR) and a standard infrared CCD chip? ...
0
votes
2answers
144 views

Connecting a 10 bit camera to a CPU with 8 bit camera interface

I have 10 bit camera (MT9V032) that I need to attach to a processor that has only 8 bit camera data interface. (no LVDS) What is the best way to connect these two? My current plan is to leave data ...
0
votes
3answers
805 views

Build an WiFi IP camera with webcam

I have a USB webcam and a WiFi module which it can convert Serial data to WiFi and vice versa. The question is can I simply convert the data coming from the webcam to serial with a USB to Serial IC ...
1
vote
1answer
899 views

Pinout of iPhone 4/4S rear camera connector?

Has anyone come across the pinout of an iPhone 4/4S rear camera module connector?
-3
votes
1answer
308 views

Is Arduino Due capable of transmitting video through internet?

Is Arduino Due capable of interfacing with a IP camera or any other webcams and transmit the video over the internet to a remote location through Ethernet?
7
votes
2answers
2k views

DSLR Hotshoe wiring to Arduino

I want to wire the hotshoe of my dslr (Nikon D5100) to my Arduino board in order to react to the shutter release of the camera. I measured a 5 to 8 volts signal between the trigger and the ground ...
0
votes
1answer
492 views

Interface/pinout of a smartphone camera module?

I am wondering where, if any, I can get information regarding interfacing/connecting with a smartphone camera module. For example, this camera module is a replacement for SGS4 and I can clearly see ...