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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How is the integration time set for a camera?

I using the TSL1401R-LF Linescan Camera Module, which reads in a 1 X 128 line of pixels, and I'm having trouble understanding how the integration time is set for this device. I understand from page 9 ...
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19 views

Faster Alternative to the TSL1401R-LF Linescan Camera Module? [on hold]

I'm trying to find a simple and low power camera that only reads in a 1 pixel wide array of pixels. My goal is not to capture a photo but instead to detect if someone passed through the camera's ...
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104 views

What should I expect the output of my line scanner to look like on an oscilloscope?

I'm trying to test my TSL1401R-LF line scan camera module by checking the reading on an oscilloscope. I've confirmed that my SI and CLK signal are running normally but the output looks very strange to ...
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123 views

Why does the Oscilloscope show a longer period of time than my code sets?

So I'm programming a TSL1401R-LF line scan camera module that reads in a a 1 X 128 array of pixels. I've run into a problem with the accuracy of the output. Basically the camera becomes less accurate ...
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19 views

Simple CameraLink frame grabber with standard embedded systems interface [on hold]

My team and I are currently in the design phase for a cubesat mission, and cannot locate any product that suits our needs. Does there exist a simple frame grabber that can be interfaced with over a ...
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31 views

Does anyone on here know why a camera's accuracy would drop when you reduce the delay time after the pulses?

I'm using a TSL1401R-LF Linescan Camera that reads in a 1 X 128 array of pixels. Here is the datasheet. When I used 170-microsecond delay the accuracy was pretty high and the camera's outputted values ...
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52 views

how can i make programmable DVR [closed]

I want to make a device that records video and saves it to a micro SD card but I also want to be able to do many things with the video I save for example; the device will always record even when the ...
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124 views

Why does the accuracy of my camera drop when I start using no-ops as delays?

I'm using an Arduino Mega to run three TSL1401R-LF Linear Scan Cameras in parallel. I got everything working and the camera were giving me different results based on how much light was hitting them (i....
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3answers
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Connecting a Camera Hot Shoe to a homemade strobe

The Situation simulate this circuit – Schematic created using CircuitLab I need to trigger a strobe from a Sony Hot Shoe. A 3.5mm jack lead comes out of the hot shoe. Using a ...
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75 views

Is it possible to build a grid of silicon photosites to build a digital camera at home?

So I know a digital camera takes light and focuses it via the lens onto a sensor made out of silicon. It is made up of a grid of tiny photosites that are sensitive to light. Each photosite is usually ...
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What challenges restrict the resolution of spacefaring digital cameras?

I've been reading up about NASA's Juno mission, and came across the Wikipedia article about JunoCam, which is Juno's onboard visible-light camera. In the article, it's mentioned that the resolution ...
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Profiling for FPGA requirements for a high-performance camera

I would like to know how to do the profiling of an image acquisition and storing pipeline on an FPGA based system, capturing images from a CMOS image sensor through LVDS interface, do some basic image ...
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27 views

Is there a tiny camera for macro images (endoscope)? [closed]

I would like to take pictures of teeth and I wondered if it is possible / how expensive it was to build an endoscope. I have seen a couple of imaging modules (e.g. IMX219PQ), but the sensor itself ...
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1answer
32 views

Would it work to connect a 12V power adaptor to the power wires of a FireWire 400 (IEEE 1394a) cable? [closed]

I'd like to power my Phase One H20 digital camera back, but my macbook doesn t give enough juice. The firewire repeaters seem to be quite pricey. And I think all I need is to put 12V and >1.5A to the ...
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2answers
43 views

How do I reduce the number of GPIO pins used for a CMOS camera?

I'm gonna make a cheap 360 camera with 5 of these OV7670 cameras but they use a whopping 18 GPIO pins each! (Btw, 18 X 5 = 90 Pins!) I'm using a C.H.I.P computer to control all this mess, but even ...
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47 views

Is there a safe way to run a camera on a Lithium ion AND external power at the same time? [closed]

Similar, but not quite the same to this Question; "Charging and Using a Li-Po battery simultaneously", I want to have a battery in my camera but also connect an external charger at the same time. Is ...
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55 views

Smart Phone's camera socket

I just want ask how the socket in the image is called? I couldn't really find and the closer I could get is only Raspberry's module.
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38 views

How can I estimate the readout time of an electronic camera shutter?

I would like your help in finding a way to estimate the readout time of a digital camera's rolling (electronic) shutter. Meaning, the time that it takes to scan a frame. I looked through the internet ...
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4answers
80 views

a camera which records images at different wavelengths using optical filters

I need to create images at a certain wavelength range(around 850-900 nm). For this a frequently cited solution is using optical filters. However I am not being able to understand the concept behind ...
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61 views

Audio: Camera activated external microphone

I want to build a relay circuit that turns on an external microphone (powered by an internal 9V battery) when a connected camera is turned on (a camera offering only 1V plugin power through a 3.5 mm ...
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2answers
105 views

Different ways to detect seals? [closed]

I would like to build an underwater mammal detector to take videos of seals when they get in and out of their cave (the entrance of their cave is underwater). It will be a waterproof sealed box with ...
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42 views

Use a solar battery charging system to power day/night security camera?

I have in mind a wireless security camera but it still needs an AC adaper for power. I wish to supply this power from a 8 x 1.5v supply of 2,500 mAh batteries that are charged in daytime with 12 volt [...
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56 views

What is the term for a photo sensor that takes low-resolution, black-and white, closeup images?

For work I used to have to read and log 7-segment LCD numbers off this tiny (3cm x 1cm) screen tens of times per day. Now I have a webcam setup that reads it for me and does some OCR to automatically ...
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Hardware for IP Camera Project

I intend building a custom IP camera for home use, project goals are: Videos are stored remotely in real time (storage somewhere else in home or cloud server) Live steaming from internet Video data ...
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95 views

Building a 3D IR scanner with USB power [closed]

I am trying to build a 3D scanner which can work with USB power. I am using an IR camera and a IR projector. I would like to scan objects up to a distance of 4m (indoor) with minimum 640x480 ...
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145 views

Charge Rate Myth?

Many websites post that charging your device with a high ampere charger will heat up the device and depreciate battery life. Is this really true. I have a sony nex camera that uses 5v 500ma input. Is ...
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130 views

redefine DCMI pins in STM32F4

I have a sample code for connecting an OV7670 to a STM32F407IGT6. However, I'm trying to use a STM32F407VGT6 and in my sample code the STM32F407IGT6 doesn't use the default DCMI pins. How can I ...
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109 views

How camera calculates amount of color per pixel

I don't know where to post this question sorry if it's in wrong section. I already know how pixels works they are combination of three colors RED, BLUE and Green. But they should be mixed in different ...
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1answer
76 views

Low-Power Video Transmission for IoT

I am currently developing an apparatus for feeding and monitoring my dog remotely. The basic idea is to make this using 2 main components: The first component will be composed of a camera pointing ...
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1answer
132 views

I2C camera not working 100% of the time

This is my stereoscopic system: I'm using a zedboard to pilot two i2c-camera MT9D111: http://www.dragonwake.com/download/camera/MT9D111/mt9d111_rev5.pdf Camera PCB Information: https://drive....
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1answer
69 views

Options for video development [closed]

What are my options for video development? I am talking buying a development board, then translate that to custom pcbs and hardware. With the rise of smart phones we have seen a plethora of hardware ...
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154 views

Which interface to choose SPI MIPI or Parallel?

I'm trying to connect the AR sensor module (AR0331) with the IMX6 processor and the problem is the camera uses a HiSPI & parallel line. Similarly, there is MI-PI (CSI) and Parallel line in the ...
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79 views

Simultaneous electronic shutter release for multiple Lumix G7 cameras

I'm trying to trigger six Panasonic Lumix G7 cameras at once. The trigger mechanism uses a four pole 2.5 mm plug, some resistors and two switches. With no switch closed there is 41 kilohms of ...
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Crackling sound when connecting camera to Raspberry Pi circuit

Ok so hopefully I can get this to make sense. Basically I have a Canon EOS 1D camera. What I want to do is to be able to apply an accurate time-stamp to each image so I know when each picture is taken....
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115 views

Need help connect relay to surveillance camera

I am seeking help. I am NOT an electrical engineer! I have a D-Link DCS-5222 camera that I am using for security. I have made an IR LED array to provide illumination when the camera is in IR mode. ...
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1answer
91 views

Determining magnitude of damping resistor for CMOS image sensor

I'm designing a camera module using Sony's IMX224 image sensor. This module would be connected to STM32F4 discovery board. At this moment I want to make a simple camera module so that I can write ...
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92 views

Synchronisation of a Basler Camera Array using Multicast/Broadcast

There are many answers for synchronisation of camera array using Hardware like using Triggering box, but I didn't find any approach using sofware . Is synchronisation using Software not that good ? ...
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2answers
62 views

What sizes are detectable from 1m using a fairly good cmos camera?

I haven't ordered a CMOS camera module yet, but I am planning to use it to detect a small object from ~1-1.5 meters. Just too be specific, say I am using the following CMOS camera (although if you ...
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1answer
155 views

For variable voltage devices, namely SD cards, how much power do you save by using a lower voltage?

I'm designing a computer vision system and my 3 main components are microcontroller (VDD = [1.8V, 3.6V]) microSD card (4 bit mode, VDD = [2.7V, 3.6V] according to SD 2.0 standard) cheap cell phone ...
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46 views

mt9p111 initialization

I need to use mt9p111 (LI-5M05CM-AF), but I can't find any initialization examples in Internet. I found drivers for linux and android at github: (Link in comments). I didn't see any results of ...
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167 views

Duplicate MIPI CSI2 camera (one camera, two receivers)

I would like to feed two processors with the same MIPI CSI2 camera. I cannot afford to have one of the processors to play the role of proxy to the other. Though I searched hard, I'm not aware of any ...
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1answer
349 views

interfaciing with a 5mp csi camera

I'm trying to interface an intel edison board with a 5mp mipi camera (https://www.sparkfun.com/products/13249) The camera uses an OV5640 imaging sensor, and is used with a pcduino v3. It interfaces ...
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84 views

Is low humidity bad for CMOS camera?

I'm searching for camera modules using CMOS image sensor. But I found something interesting. Some vendors specified operation humidity between 20~80%. But does it make sense that low humidity affect ...
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324 views

How can I interface with RPi-Camera to FPGA?

I want to interface with RPi-Camera to my FPGA bord. As you can see, http://www.wvshare.com/product/RPi-Camera-B.htm This camera has a 15pin-ffc cable. But I can't get a ffc cable's interface ...
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Which camera module will interface with STM32F7 Disco board?

Which camera module will interface with STM32F7 Disco board? The connector on the board is a 30-pin FPC/FFC 0.5mm. Could the OV2640 be adapted for this?
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113 views

Difference between line scan sensor and line scan camera? [closed]

I'm looking to build a multitouch table using line sensor/camera technology. I was hoping someone had already tried such a thing and could recommend the best suited between line scan sensor or line ...
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518 views

OmniVision CMOS sensor package name for camera modules?

I seen few camera modules by OV, that come on a flex cable like the one below (OV2640) How does this package called? I see on the OV website COB, CSP, uCSP,CLGA, but I suspect they're without the ...
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48 views

Camera on cellphones

Why resolutions when we recording video or taking a picture with our cellphone camera are different? Video recording resolution is always so smaller compared to our photo resolution. Is it hardware ...
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56 views

Could I use DM368 to take RGB/YUV data from Li-CAM-OV2715?

Before asking this, I'd like to apologise for asking it here. I have asked same question in the TI forum and sent emails to manufacturers, but couldn't have any reply so far. It would be very ...
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550 views

How can I capture VGA (640x480) frames with RGB565 format from OV7670+FIFO (AL422B)?

I made a platform with LPC1788 (Cortex M3) which had external 8MB NOR flash and external 32MB (16bit) SDRAM. I connected them a CF7670C-V3 (OV7670+AL422B (FIFO)) camera module and I capture QVGA,QQVGA ...