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Jul 20, 2014, 08:52 PM
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Markers 2





It was finally time to use some of the electronic bits from years ago.


There's a 5.8Ghz receiver labeled rx5808. It needs 3.5-5.5V. A channel pin is grounded to select the channel.




A USB capture board is wired to power the receiver with 3.3V.



There's a 5.8Ghz transmitter labeled tx5823. The same transmitter was sold by many hobby shops with different voltage limits. They all accept 3.3V, though some accept 5V. A channel pin is grounded to select the channel. It needs 400mA & heats to 55C.






There are 2 cameras which need 5V. It took a lot of voltage regulators to finally get the 5.8Ghz system running.


Direct composite video.


5.8Ghz video. Would actually say there's no difference in quality.


It's finally time to try some markers + low definition 5.8Ghz. Being interlaced requires the resolution to drop down to 720x240.


Barely any detail is visible.


Motion blur wipes out the detail while retaining only color. It was a disappointing result, but it shows how the age of HD video has erased our memories of how bad NTSC was. 1920x1080 is minimum with 4096x2048 the ideal resolution.
Last edited by Jack Crossfire; Jul 23, 2014 at 08:52 PM.
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