Handmade HDMI capture card for Raspberry Pi and software

#1

Post by mdevaev » Fri, Aug 21, 2020, 7:47 PM UTC

Handmade HDMI capture card for Raspberry Pi and software
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Re: Handmade HDMI capture card for Raspberry Pi and software

#2

Post by java-man » Fri, Aug 21, 2020, 7:53 PM UTC

Hand-soldered BGA chip, wow.

Re: Handmade HDMI capture card for Raspberry Pi and software

#3

Post by elFarto » Fri, Aug 21, 2020, 8:49 PM UTC

java-man wrote: post #2

Hand-soldered BGA chip, wow.

I came across a video of someone soldering a WLCSP package IC, with a soldering iron tip about as big as the chip itself.

https://www.youtube.com/watch?v=edERx4x5eY0

Re: Handmade HDMI capture card for Raspberry Pi and software

#4

Post by kayfox » Fri, Aug 21, 2020, 9:04 PM UTC

For those who dont want to solder, theres a module for this: https://auvidea.eu/product/70501/

Mouser: https://www.mouser.com/ProductDetail/Auvidea/70501?qs=EU6FO9...

Datasheet: https://www.mouser.com/datasheet/2/864/B10x_technical_refere...

Edit: Theres also this one on Amazon: https://www.amazon.com/gp/product/B0899L6ZXZ/

Re: Handmade HDMI capture card for Raspberry Pi and software

#5

Post by dempseye » Fri, Aug 21, 2020, 9:19 PM UTC

elFarto wrote: post #3

java-man wrote: post #2

Hand-soldered BGA chip, wow.

I came across a video of someone soldering a WLCSP package IC, with a soldering iron tip about as big as the chip itself. https://www.youtube.com/watch?v=edERx4x5eY0

And I thought I was good for soldering a TQFP 32 package to a DIP adapter!

Re: Handmade HDMI capture card for Raspberry Pi and software

#6

Post by peterburkimsher » Fri, Aug 21, 2020, 10:25 PM UTC

Slightly off-topic, but I've been wanting an HDMI Freeze button for a while.

I looked at the auvidea link that kayfox suggested, and could probably implement it in software on an RPi. But that has limited resolution and frame rate (25 fps).

For a feature built into most projectors, I'm surprised there's no products to do this.

Re: Handmade HDMI capture card for Raspberry Pi and software

#7

Post by kayfox » Mon, Aug 24, 2020, 11:00 PM UTC

peterburkimsher wrote: post #6

Slightly off-topic, but I've been wanting an HDMI Freeze button for a while. I looked at the auvidea link that kayfox suggested, and could probably implement it in software on an RPi. But that has limited resolution and frame rate (25 fps). For a feature built into most projectors, I'm surprised there's no products to do this.

The resolution and framerate issues with that solution appear to be software implementation limitations, I haven't looked into them, but I would expect they could be resolved, since they appear to be an artifact of just one developers environment being tested against.