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Old 24th December 2012, 10:37 PM   #1
olafk is offline olafk  Germany
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Default Christmas Project - Audio Analyser

Here is my Christmas project: audio analyzer, still under construction. All sources come from Project 136

I hope I'm ready for the new year.

regards and mery christmas

Olaf
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Old 24th December 2012, 10:52 PM   #2
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That is just freakin cool! Merry Christmas to you!
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Old 25th December 2012, 02:19 PM   #3
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This is amazing!!! Wow!!! Great work , Olafk!

Could you please tell what is the total cost and power consumption of this project?

Merry Christmas!
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Old 25th December 2012, 02:55 PM   #4
olafk is offline olafk  Germany
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The total cost is round about 100 Euro without PCBs. It needs 2 PSU. 8V for LEDs (apr. 3...3,5A) and +/- 15V for preamplifier (150 mA). But only if you can produce your own PCBs.

regards Olaf
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Old 25th December 2012, 03:34 PM   #5
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Thank you so much Olafk.

Could you please share your experience, observation, opinion, the problem you faced, or the tweaks you did when you have time ( without violating the strict copyright of ESP site of course )?
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Old 25th December 2012, 04:09 PM   #6
olafk is offline olafk  Germany
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Here are a few components. Power supply for 8V with stabilization with Zener diode and 2N3055, + / -15 V power supply with LM317/337 and preamplifier.
When I assembled everything, I can report.

regards Olaf
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Old 25th December 2012, 04:21 PM   #7
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Thank you again Olaf!

I am so eager to see the photos of your completed project !

All the very best.
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Old 9th January 2013, 06:31 PM   #8
olafk is offline olafk  Germany
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DSCN0674_k.jpg

Technically nearly completed, enclosure is still missing.

regards Olaf

Last edited by olafk; 9th January 2013 at 06:35 PM. Reason: Video to big.
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Old 10th January 2013, 10:27 AM   #9
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Quote:
Originally Posted by olafk View Post
Attachment 322675

Technically nearly completed, enclosure is still missing.

regards Olaf
WOW! This is an amazing work!! Hats off!

I would love to see a video of this gem in action!

Please post a youtube link at your convenience!!

Thank you so much! And congratulations on your this grand achievement!.
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Old 10th January 2013, 08:05 PM   #10
olafk is offline olafk  Germany
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Just for fun, but not ready:
AudioAnalyser - YouTube

regards Olaf
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