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Questions tagged [camera]

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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ov2640 pclk frequency

For a project I'm working with ov2640 camera, I want to use it in normal mode to capture an image. the size is 128x128 and I want to get it in rgb565 format not compressed. I used the registers set ...
Camera user's user avatar
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2 answers
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Can I safely use the GPIO or opto-IO pin from Basler industrial camera to drive a 64 mW LED?

I've got a Basler aca2440-20gm industrial camera. This camera has configurable GPIO and opto-IO pins. If it's possible to do so without damaging the camera, I'd like to drive a 20 mA 3.2 V LED with ...
RJDB's user avatar
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Poor man's Raspberry Pi camera multiplexing

I'm working on a hobby project which involves a Raspberry Pi (zero) and I want to connect 2 cameras to it. One is the Raspberry Pi HQ camera with a tele- lens, the other one is a cheap wide angle ...
floppydisk's user avatar
1 vote
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31 views

Tektronix 2000B series oscilloscope trigger not triggering camera

We have a Shimadzu high speed camera connected to a Tektronix oscilloscope. We got a new cord for the force sensor and since that point the camera has not been triggered correctly. It used to be that ...
helpoatmeal's user avatar
1 vote
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Identify Regulator from Canon Camera CMOS Board

I'm trying to Identify 3 Regulators from a Canon Camera CMOS Board The only hint I have is L814, A1BE5, LA42 But I don't know how to find the actual reference of the parts, I need them to repair my ...
Gamer Gamer's user avatar
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1 answer
77 views

What could the strange noise in the images be due to? They appear to be composed of 8x8 squares, and many of them contain different patterns [closed]

The question may seem silly, but I am curious about the structure of images from a certain biomedical image dataset. If you enlarge the following image fragments, you can see that they consist of 8x8 ...
forest-spells's user avatar
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1 answer
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Sony IMX421 Eval board with IMX422 Sensor - produces odd repeating patterns instead of true images

I am working on an application that involves use of a Sony IMX422 CMOS image sensor - namely writing VHDL code to act as a receiver interface to the sensor over an SLVS bus. the setup involves a ...
CNfan's user avatar
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OV7670 QQVGA RGB565 config

Does anybody has register configuration for OV7670 QQVGA RGB565? I found this but I'm not sure that it gives QQVGA resoltuion. ...
macola995's user avatar
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1 answer
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What ZIF type connector is shown in this Canon Powershot G7X Camera?

I am modifying a Canon Powershot G7X camera so that I can couple the sensor to a tube lens and microscope objective. To do this conveniently I would like to extend the ribbon cable connected to the ...
user391339's user avatar
3 votes
1 answer
538 views

Help me identify an SMD diode

I have a faulty power supply circuit of a PELCO PTZ camera. It has a burnt diode with the marking CT 6DZRS. I can't find the exact specs or type of the diode. The image is attached Help will be much ...
Abdullah Shafiq's user avatar
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1 answer
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Replicating ESP32-CAM [duplicate]

I need help/guidance on how to interface a camera module like an ov2640 to ESP32-S3.is 10 pin enough? because on the esp32-cam it looks like the camera use around 16pin (I'm short of pins). btw i know ...
Podex12's user avatar
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Power over coax circuit clarification needed

The below image is taken from DS90UB913A-CXEVM Serializer Board Schematic. T he complete schematic is on page 21. The PoC network is enclosed in an orange box. You can see that two resistors (R28,R71)...
Confused's user avatar
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OV7670 camera module (no FIFO chip) configuration with arduino Uno R4 WIFI

a couple of days ago I bought this camera module to use for my project which also does not require a lot of resolution, since I haven't used this camera module before I did google and chat GPT. but ...
MarCoPolo's user avatar
3 votes
1 answer
87 views

What kind of 40pin connector is this?

I'm looking for a cable that connects an Insta360 One RS 1-inch camera module (lens) with it's computing unit (core). They use these 40pin connectors: Any idea what kind of connectors these are? I ...
orzechow's user avatar
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Reconnecting an external Wi-Fi antenna to a camera PCB. Where and how?

I own a BirdFy Netvue bird feeder. It has a Wi-Fi camera to capture pictures and video clips as the birds come to feed. Unfortunately, the squirrels completely severed the camera antenna. I bought a ...
Ioannis K. Moutsatsos's user avatar
1 vote
1 answer
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How can I short three wires together using an Arduino?

I have a wired shutter release for a DSLR camera. It has three wires within it (red, blue, and green). After disassembling it and doing some testing, I've determined the following: Wire Voltage Blue ...
cocomac's user avatar
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How can I tell if a camera employs active or passive infrared - or neither?

In brief; Is there some way to figure out if a security/web/IP camera is using passive infrared, active infrared or no infrared at all without opening up the camera? Details; My Mom is in a nursing ...
Jeffrey's user avatar
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2 answers
73 views

Three wire remote controller - wiring to two GPIO pins

My remote camera trigger has three wires (red, yellow, white). The white is shared, and the trigger can complete two different circuits by shorting it with either the red or the yellow cable. One of ...
Michael Murphy's user avatar
0 votes
1 answer
81 views

Is it possible to connect a MIPI CSI-2 deserializer to SC206E with CSI-1 interface

I am interfacing a deserializer[DS90UB960-Q1] with Quectels smart module[SC206E]. The deserializer supports MIPI CSI-2 and SC206E supports CSI-1. May I know CSI-2 is backward compatible or not. I have ...
Confused's user avatar
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1 vote
2 answers
132 views

GoPro Hero battery replacement [closed]

I am attempting to power my GoPro Hero 10 from a 1S2P 3.7 V Li-ion battery (2x18650s in parallel, from Tenergy Power): https://power.tenergy.com/AT-3.6V-7000mAh-Li-Ion-Pack-34041_1/?gad=1&gclid=...
saustinp's user avatar
2 votes
3 answers
880 views

How does a CMOS image sensor manage to read and record all the pixel values? Any good ideas for doing it for discrete components?

As background info, I'm an electrical engineer (power IC design) and photographer, and I'm designing my own camera (32x40 discrete pixels made of SMD photodiodes, will be about the size of a 4"x5&...
mapplejacks's user avatar
1 vote
1 answer
34 views

Is there a connector/board for a DJI Air 2 camera gimbal chord and camera transmission chord? [closed]

Hello, I have a DJI Air 2 camera and gimbal but nothing else atm. I was wondering if there are any connectors, boards, etc. out there that could connect to these that aren't DJI's own product since ...
BigMac's user avatar
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Did I map the correct pin leads from web cam to usb cable for use on Raspberry Pi?

I have two Dell Latitude E5440 and I pulled out the camera for both of them. Although both the cameras look to have the same form factor, I do notice the inscription between them are different. One ...
learningtech's user avatar
1 vote
3 answers
484 views

What Communications Technology is used in Car Reverse Cameras?

What communications technology is typically used in car reverse cameras? Analogue or digital, and what protocol? How is the data typically read into the MCU/MPU - via CSI or some other protocol? ...
Dane's user avatar
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1 vote
1 answer
72 views

Can a transistor replace a switch that closes ground to an input?

I've been browsing on Google for quite a bit now but couldn't find an answer. I have a remote that triggers the shutter of a digital camera. According to the schematics that I've found, the ...
big_bear's user avatar
2 votes
1 answer
146 views

How to connect a mini camera to four 3.5-5 inch TFT/LCD screens? [closed]

I have an ambitious project, given my limited circuitry knowledge. To simplify my project's potential, I want: One mini camera Four TFT/LCD displays (anywhere between 3.5 and 5 inches) As long as the ...
BeemerGuy's user avatar
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0 votes
2 answers
2k views

Are there any microcontroller's that support MIPI-CSI2?

As the title states; are there any microcontrollers that support MIPI-CSI2 on the market? I know product recommendations are not allowed as part of the stack exchange so I will clarify a little ...
Explorex's user avatar
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1 answer
53 views

How/where can we use/have camera modules similar to those of smart phones [closed]

Many laboratory or embedded systems projects can leverage cameras similar to those of smartphones because of their size and geometry in general. But the problem is we cannot just take out the camera ...
Alejandro's user avatar
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Issues combining SIM7600 and OV2640 camera on ESP32 dev board

I'm working on a project involving an ESP32 dev board with OV2640 connected to it over a custom designed PCB. A SIM7600 module is used to send the pictures over 4G to an external server. The camera ...
Lennard's user avatar
0 votes
1 answer
125 views

CSI differential pairs differential impedance : follow Jetson design guide or standard 100R value?

I'm designing a PCB based on the Jetson Orin NX system on module, using a camera (MIPI CSI PHY-D). The problem is that the design guide of the Jetson is giving me a differential impedance of 90-...
Sandro's user avatar
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2 votes
3 answers
164 views

Trying to fix a mess with DC Power supply

I am not even close to know what I am doing with the electricity, but I have a power supply of my 8 cameras that is gone bad and I think I can manage to replace it myself, but there is a big BUT here. ...
Hristian Penchev's user avatar
-1 votes
3 answers
496 views

Battery swollen on a doorbell device - can I replace it with a capacitor?

I have an Amcrest AD410 doorbell camera. I noticed the bottom of the device is open/cracked. When I investigated inside, I found the battery is swollen. I couldn't find replacement for the battery, ...
John Sall's user avatar
  • 251
2 votes
2 answers
135 views

Detecting data traffic into a SD card

I'm designing an automated camera system. A time-lapse camera for very slow-moving objects. I'm interested in glaciers. The system has very small standby power (~160 uA), and in medium size battery ...
Camilo Rada's user avatar
1 vote
1 answer
152 views

Are there monochrome camera sensors with more than 16 bit depth per pixel?

Some camera use cases (like exoplanet transit photometry) require measuring smaller variations in brightness across an image and over time than the bit depth resolution in 16 bit monochrome cameras ...
2080's user avatar
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0 votes
1 answer
385 views

Are there microcontrollers for 4K resolution image capture? [closed]

My question is quite simply as the title states: Is there any microcontroller for 4K resolution image capture, or even 1080P for that matter? I've spent time doing research trying to research a ...
Explorex's user avatar
  • 408
0 votes
2 answers
65 views

Why color filter mosaic is still fixed for each camera model?

Color filter mosaic (color filter array) is fixed pieces of material that change input ray into another one and built over each pixel of camera matrix. Why it is still fixed? Is it possible to build ...
Moorhuhn's user avatar
0 votes
1 answer
53 views

Do camera batteries require a seperate protection circuit (lithium accu 1s)

I have a lot of old camera batteries lithium 3.7 V rechargeable accus (1s), because such handheld cameras keep dying due to lens failures (lots of sand and wind here). I want to be able to reuse those ...
TeD van Loon's user avatar
5 votes
3 answers
1k views

Building an MRI safe video camera (e.g. webcam)

I would like to use a small camera inside an MRI. The eye-tracking cameras that are commercially available are both too expensive and also not suitable for my purposes. How would one go about making a ...
socialresearcher's user avatar
0 votes
1 answer
40 views

Get a motor to move my camera based on a point in an image [closed]

Let's say that I have this image: Obviously, the camera is pointing to the center of the image, but I need it to point to the center of the bbox. I need to calculate how to get my motor to move so ...
David's user avatar
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0 votes
1 answer
67 views

Power Distribution

I work on a project that need a power distribution method. I thought some schematic bellow that you can see. I don't try that connections because I am not sure. If anyone can warn me about my mistakes ...
TA2ERR's user avatar
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3 votes
5 answers
260 views

Are semiconductors (specifically silicon) the only materials that can be used for making image sensors in digital cameras?

Could no other type of materials be used even if it means an entirely different sensor design or layout?
LucaMancini's user avatar
0 votes
0 answers
329 views

RockPi (okdo rock 4c plus) camera setup

This alternative to raspberry pi showed up and since all the Pi's are sold out I thought I would try it. https://www.okdo.com/p/okdo-rock-4-model-c-4gb-single-board-computer-rockchip-rk3399-t-arm-...
Carl-Fredrik von Essen's user avatar
0 votes
0 answers
62 views

Making an automated chessboard [duplicate]

I want to create an automated chessboard. At the moment, I'm making the project and deciding what technology to use to detect which piece is at what position and how to move them. I'm not so skilled ...
Mukund's user avatar
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2 votes
1 answer
247 views

Trigger feedback from camera hot shoe to embedded controller

I am trying to build a circuit using the signal from a Fuji XT-20 camera hot shoe to drive an interrupt input pin on a Teknic ClearCore controller. My understanding is that all the hot shoe does is ...
user11271728's user avatar
1 vote
1 answer
833 views

What provides the clock signal in CSI2 interface?

What provides the clock signal for the CSI2 interface used for many cameras? Does the camera provide it or is it the processor the camera is interfacing to?
FourierFlux's user avatar
5 votes
7 answers
1k views

Could I power a corded device with batteries? [closed]

I have a camera which requires a power supply of 12 V. I want to use it away from a power point, so I thought I could hook up an 8-battery AA holder to it. Would this be possible? See images attached. ...
pearlll's user avatar
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0 votes
0 answers
61 views

How can I get these pins description?

How can I get these pins' descriptions? I researched on the internet a lot but I couldn't find anything. Here is the datasheet PDF download link and website. I specially need camera control pins. I ...
Aiakun's user avatar
  • 1
0 votes
1 answer
178 views

Read Hikvision camera on PC over RS485 [closed]

I have a Hikvision IP camera. I can login onto the camera and stream live video through hikvision website. However, the connection of the ip camera to the PC is via ethernet, which is limited to only ...
ssmalik's user avatar
1 vote
1 answer
80 views

What's the name of this video door eye wire connector? (port and connector)

I bought a video eye on Aliexpress. A wire with a connector comes from the peephole, and there is a port on the back of the screen. What are their names? Is it some kind of USB or what is it? UPD: I ...
solidsnake777's user avatar
0 votes
2 answers
127 views

Splitting images from camera to 3 different host MCUs simultaneously

We're building a project to capture images from a Sony camera that outputs images over USB-C or Ethernet. For redundancy, we're feeding the images at high speeds to multiple MCUs running Linux, and ...
brokelite-99's user avatar

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