Questions tagged [video-transmitter]
Questions related to transmitting image frames, primarily wirelessly
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Is it possible to transmit a video over a 433 MHz RF module?
Is it possible in any case to transmit a video over a 433 MHz RF module?
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1
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366
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Send a video radio signal via a PC to a portable VHF/UHF TV [closed]
I‘m trying to build an art installation. I want to send a video radio signal via my PC to an old portable TV.
My idea was it to run a HDMI cable to a D/A converter and run a software that lets me send ...
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0
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HDMI debug issues over wireless
I have designed board that carrier transmitter HDMI module.
There are TX side and RX side, the board works well except one issue that which takes a lot of sleepless days from me.
this is the ...
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1
answer
116
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Translating 5-wire camera output to composite signal
An existing OEM rearview camera has 5 wires (V+, LVDS+, LVDS-, LIN, ground). Is there a way to translate (hook up) this to a standard composite cable that goes into back of a aftermarket head unit?
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2
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855
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Output composite video (PAL) signal from FPGA DAC, totally lost in the analog domain
I'd like to start generating (and perhaps also capturing) composite video (PAL) signals from a digital source, eg. FPGA. However, while my digital logic/programming skills are covered, I'm lacking a ...
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2
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936
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Sending simple video feed over wifi with ESP32 dev board and fpv camera
Im wondering if its possible for an ESP-WROOM-32 dev board to take ntsc video as an input and then stream it over wifi to a seperate server on the network. The video would be in ntsc format over a ...
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1
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173
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ESP32-Cam GPIO remote control and video feed
Is it possible to control the ESP32-Cam GPIO from the web? Just like a "normal" ESP32 can create a website with buttons that turn on and off certain GPIOs
Was wondering because I can't find ...
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2
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231
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How do USB cameras encode video streams to be sent over USB? [closed]
Generic USB cameras can be used plug-and-play without the need for any additional drivers. How is the video stream compressed and sent over a USB connection? What are the standardized drivers that ...
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How can a ground loop cause a OSD to flicker / dissapear without affecting the rest of the video?
I don't know if it is best to ask this question here, or on drones.stackexchange.com, but I think that I am more likely to get a good answer here even if i might have to provide a bit more background.
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4
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5k
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Why are color difference signals transmitted rather than R,G,B signals?
In color television systems back in the early days, people used to transmit color difference signals (Y-R) and (Y-B) along with Y, which is the luminance signal. My question is why are color ...
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1
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Data rate for 1080p@30fps Video in BT.656 8~10 bit format?
What is the data rate for 1080p@30fps video in BT.656 8~10 bit format? Does the MAX9271 serailizer support FHD@30 in BT.656 format? According to the datasheet the serial data rate is 1.5Gbps.
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Streaming video over NRF24L01P
Consider that we have compressed camera output video by JPEG using a Cortex-M4 MCU (Like STM32F407xxx that has a DCMI unit).
I want to know, Is it possible to ...
1
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1
answer
506
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Led panel sending and receiving card working
I understand how a RGB LED panel is driven from sparkfun's explanation (here).
From manufacturers like Huidu and Novastar I get that in a setup you often need a sending and receiving card. Like you ...
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1
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230
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4 pin connector is melting even with 5 volt and 0.1 amp power supply, Why?
I am using a connector as shown:
.
I am using this to connect to my camera, which works at 5 volts and 0.1 Amp. But this connector works only for few days and then the plastic portion of the ...
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1
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Transistor Video Amp Circuit Help
I built the below video amp & it worked nicely.But it is One in One out video amp.
http://www.learningelectronics.net/circuits/video-amplifier.html
Now I want One in TWO out Video distributor.I ...
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1
answer
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Can we use ethernet cable instead of coaxial cable without adaptors.?
I am a mechanical engineer. Trying to build a computer vision system using endoscopic camera. I have a camera with 4 pin input, 2 input pins for power supply of 5 volt and 2 input pins for video ...
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1
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What does a TV receiver circuit look like? [closed]
I found a few circuits for TV transmitters, but no receivers.
I've looked at other simpler RF transmitters and receiver, but it's not obvious to me how to reverse the circuit that I have.
I want ...
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2
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467
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How sensitive are the DVI sync signals?
We're trying to output a full mono-colored screen signal in 640x480 resolution over DVI to a Samsung monitor from an FPGA board. The problem we have is that we don't get any picture showing, instead ...
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1
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UHF TV transmitting circuitry [closed]
I would like to know your opinion what are existing solutions for building a small (<5W) UHF TV transmitter. The problem is every circuit or schematics I find already uses separate audio/video ...
4
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1
answer
2k
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Displayport clock recovery
The displayport protocol runs at a fixed frequency of either 1.62GHz, 2.7GHz, or 5.4GHz. The pixel stream (strm_clk) it carries runs at an arbitrary frequency and is likely to be asynchronous to the ...
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1
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USB RF Videotransmission, is it possible? [closed]
I am thinking about building my next rc plane complete from scratch. I wanted to do the programming by myself, so I have the problem, that I can't use any 5.8Ghz video transmitter because I can't ...
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3
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What considerations should I have when selecting a microcontroller for fast read and throughput?
For a project at work I am tasked with selecting a microcontroller to facilitate video transmission.
The microcontroller will read H.264 encoded 1080p30, 30 to 40-second, video files (~500 MB) from ...
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1
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How is this small drone able to transmit video to such long distances? And that too an HD video? [closed]
I am an amateur enthusiast and a novice, thus please bear with me.
I was having the look at the http://www.proxdynamics.com/products/pd-100-black-hornet-prs drone. It weighs 18 grams and is able to ...
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1
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What happens to 5.8 GHz signals when too many transmitters are in a confined space? [duplicate]
I'm helping set up an Airsoft arena in the UK and I plan to have RC-FPV cameras mounted on the weaponry and masks which the players use/wear (similar to wireless drone cameras). As it's an open space ...
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2
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Do i really need two grounds
I'm a quadcopter FPV addict, and I'm building a new one.
As pointed out i will first explain some acronyms of the rc world
PDB (Power distribution board)
CCD (Type of camera sensor, cmos
ccd... not ...
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2
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755
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How to tap out video signal from a computer or a TV [closed]
I am designing a TV transmitter as given in the link below:
http://www.electronicshub.org/tv-transmitter-circuit/
My question is, where from do I give the video input? For the audio input, I can ...
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1
answer
280
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receive a video file with a microcontroller [closed]
I want to send a video stream to a microcontroller via wifi. what microcontroller choose for this task?
-Must take into account that the video will be transmitted through a phone
-The video will be in ...
3
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1
answer
522
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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 to ...
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2
answers
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How do I do real-time streaming of video from a PIC32 with camera/Wifi module onto Amazon S3?
I'm looking at RTP/SIP stacks but don't know where to start. What are Live555, MPEG DASH, oRTP, and ffmpeg? Can they run on a PIC? I'm thinking 720p at 15 or 30 ips.
I have code working to upload ...
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3
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Separating the AM and QAM components in PAL signal demodulation
I'm attempting to emulate the modulation and demodulation of a PAL video frame in software, but I'm having trouble understanding how the AM (luma) and QAM (UV) components of the signal are separated ...
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1
answer
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Long-range RF comm with decent data rate [closed]
I'm building a quadcopter powered with Arduino. For testing purposes, I'm currently using bluetooth. In the future, however, I would like to have some form of fairly long range communication that also ...
0
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1
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118
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Transmitting AV signals one way
I have a video feed that's two AV cables (one sound, one video) and I'm looking to transmit them from the source to about 100-200 meters away. Specifically, I need some sort of transmitter/receiver ...
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3
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Video stream over RF
I want to stream video from a camera 640x480 frame of 8-bit approximately.
I don't want to use wi-fi. I capture the data, encode it, transmit the signal over RF and receive it. Decode the signal.
My ...
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1
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Video wireless streaming efficiency (analog vs digital)
I was wondering about the best way to transmit a real-time video (wireless).I do not need to be high quality video, so I've bought this camera module:
Camera module
Camera datasheet
Now I need to ...
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2
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How do coaxial cables carry information that a TV can intercept and display?
Is there a specification for this? Like, say, at the backside of a cable box there exists a singular coaxial cable that is meant to be plugged directly in the back of the TV.
The TV must be set to a ...
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1
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3k
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What will I need to send Video over bluetooth or WiFi to Android phone [closed]
I don't know much about electorics I'm programmer and know some stuff about digital electronics that I learn at school, but I have this idea to send video data from a camera (I found on Alibaba CCD ...
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1
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560
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How to transmit HDMI data over fiber
I need to send video data over a fiber optic cable. The video input is coming via an HDMI link. The fiber optic link is already carrying some other data (an FPGA is controlling the link), so the video ...
2
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2
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3k
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Microcontroller used to transmit video?
I need help choosing a microcontroller for a project I'm doing.
This microcontroller needs to do the following:
1) Interface with a low resolution camera, obtain video feed from it, compress it and ...
3
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1
answer
884
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Cloverleaf possibly blew out transmitter?
I went ahead and built a Cloverleaf antenna, right-hand polarized, for a video transmitter, transmitting @ 1280MHz and 800mW. After about a week, however, the transmitter stopped transmitting. I'm ...
3
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2
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Transmitting a video stream through a microcontroller
I'm working a a project that currently works well but this year we want to expand it by collecting data from it, independent of its current functions. We have set up an iPad App to control an Arduino ...
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3
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Transmit video wirelessly from on board camera over short distance [duplicate]
Possible Duplicate:
Cheapest way to wirelessly transmit video
I asked a similar question a few days ago, but I think I was unclear about my requirements, and they have changed a little since then ...
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Cheapest way to wirelessly transmit video
I'm really big on building RC vehicles. I want to hook up a video camera which can transmit video signals, but don't know what options I have available.
My only requirement is that it has to be as ...
2
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1
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Using Bluetooth to Send Video
I am a second year Electrical Engineering major. I have done a little with the Arduino, but it is not powerful enough to handle video (from what I understand). I would like to capture video from ...
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Can anyone identify this type of connector
I have a Lawmate 2.4 Ghz Video transmitter which has a small 4 pin input plug. I want to find out what the proper name for this type of connector so I can buy spares for it - maybe someone here can ...
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3
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Want to make a UAV
I've been inspired by the guys at DIY Drones and I'm toying with the idea of making a UAV. To transmit the sensor data, I was thinking I'd go with a 60mW XBee, but I also would like to transmit live ...
3
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1
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Airwave TX "BYPASS" capacitor
I'm using an Airwave 663 module. It's a 5.8GHz FM video + stereo audio transmitter module. Here is the datasheet: http://www.airwave.com.tw/specification/RF%20modules/AWM663TX.pdf
It is apparent that ...