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Satoshi T
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Day 323

Analog and Digital

Yellow signal of Upper side is analog sine wave about 9kHz. Blue signal of Lower side is control signal for modern model railway. It is called DCC -Digital Command Control-. Multi trains on the same track controlled individually by this pulse signal of +- 20V. I used DCC command "Stop and Turn On the Light" when I took tookapic.com/photos/130104. So I could take lighted headlights and signs during train stopped.

#afternoon #saturday #computer #display #technology #tech #internet #business #equipment #digital #electronics #august #measure #railway-model #lcd #computing #pulse #oscilloscope #theme-tech #multi-train-control #dcc #waveform

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jokele Interesting explanation. I really enjoyed working with such signals and oscilloscopes in the past. But I havn't done this for yeeeaaarrrsss.

Satoshi T I thought you have experiences of working with osciloscopes and other measureing instruments since I saw your "wafer" -not a chip- pic. :) Thank you @jokele .

jokele Yes, that image was a good hint ;-)

Margie I have no idea what you are talking about, but this is a cool photo!

Satoshi T Thank you very much @Margie !

EXIF data
Brand
Canon
Model
Canon EOS 5D Mark II
Aperture
ƒ/3.5
Focal length
100mm
Shutter speed
1/60s
ISO
800
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