Questions tagged [hdmi]
HDMI (High-Definition Multimedia Interface) is a digital audio/video interface.
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Serial Port connected thru HDMI... Kinda works and now I have questions
I want to preface this with the fact that I don't know much on the hardware end of things.
We have a device at work that requires a serial port connection to communicate with the software that ...
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Inline volume control for analog audio signals with push buttons [closed]
I want to build something to control the amplitude of analog audio signals between the source (line level analog audio output already extracted and decoded from an HDMI source) and the AMPs. In ...
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My HDMI cable is outputting constant current, is that normal?
I bought two cheap monitors in a local shop. They are basically the same model, and both came with an ungrounded external power supply.
After getting a few shocks from the HDMI cable I realized it is ...
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Raspberry PI (CM4) video to USB-C DisplayPort alt mode
I'm working on a project where I aim to utilize a USB-C port to embed both video signals and USB functionality. USB-C's "Alt Modes" offer potential solutions, namely DisplayPort (DP) Alt ...
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TFP401PZP: Unable to get proper video output, ghost screen/distorted pixels
I have designed my own display driver board using a TI TFP401PZP TMDS DVI receiver/deserializer which is connected to a 24-bit, parallel RGB, 7 inch capacitive touch display with a resolution of ...
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HDMI cable CEC not present
I have a question regarding HDMI cables. I recently purchased a cable that does not have the CEC pins connected with each other. However there are certain devices that use that pin and other cables ...
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Can I run PoE++ on DisplayPort/HDMI over Cat6?
I'm working on a project for an industrial application where I need to run a monitor with a single cable carrying both data and power. 7" LCD with a few Watts backlight, 1024x600@30fps or so, ...
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Can an HDMI receiver device recover after TDMS lines are cut-off for long period?
I'm trying to gauge the viability of making an HDMI multiplexer/demultiplexer for multiple lines. The main goal is to be able to switch various inputs to various outputs.
This question in particular ...
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Radiated Emissions problem
This is regarding some Radiated Emissions testing unintentional radiator.
We did a pre-scan of our product and we got the following EMI signature.
Critical frequency is at 314.986 MHz
Polarization is ...
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HDMI output from FPGA
I've got an old project that produces NTSC video output from an FPGA using a resistor ladder DAC. It also produces a stereo audio signal using a similar RL DAC.
I'd like to bring it into the modern ...
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HDMI Termination analysis
Recently came across one ULX FPGA board add-on. HDMI TMDS signals are terminating on this board. I am unable to understand why highlighted resistors are used for. Seems like some sort of voltage ...
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HDMI termination board
We are trying to make one HDMI termination board. This board will plug-in into my motherboard and emulate 1080p display. I want to use this termination board for EMC chamber testing of the motherboard ...
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Merging HDMI and USB to one cable
I have a project which includes a display which has a mini-HDMI input and a USB-output (D+ D- differential pair) for touch screen.
How can I combine those two into one cable to talk to my MCU? I'm ...
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Circuit Design For HDMI Shut Off
I am building a device that will turn on/off the HDMI to a monitor. This will allow a microcontroller to flip the monitor on and off. I tried a basic design that switches the 5V, DDC/CECGround, and ...
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What is this HDMI connector?
I'm trying to identify this HDMI connector.
The marking on it says TCF but I haven't found a manufacturer with that name or any other info based on that. I went through the Digikey, Mouser and Molex ...
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