My volumio project

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My volumio project

Postby Gerry_222 » Sat Jul 26 2014 19:29

Hello,

here is my volumio project:

As DAC i use the Audiophonics DAC Sabre ES9023 I2S. The 5V DC are from a toroidal transformer 2x 7V 10VA. As rectifier i took ultrafast Diode BYV 28-200. The regulator module is an Audiowind A-270 based on LINEAR LT1764.

The Case is the new Inter-Tech Mini ITX Q-6.

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LG Gerry
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My volumio project

Postby Gerry_222 » Sat Jul 26 2014 19:32

and inside:

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My volumio project

Postby icai » Sun Jul 27 2014 17:28

Very very nice....if only i could build my own PS...
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My volumio project

Postby voxxonline » Sun Jul 27 2014 17:41

nice
what psu spec is ?
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My volumio project

Postby Gerry_222 » Sun Jul 27 2014 18:02

Power Supply 5,0V, max. 1,4A, Output Noise < 40uV RMS (10Hz to 100kHz) - is this what you mean?
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My volumio project

Postby voxxonline » Sun Jul 27 2014 18:09

almost :)

I know it is simple schematics, but could you please share it ? If you have
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My volumio project

Postby Gerry_222 » Sun Jul 27 2014 18:37

On the strip grid board there is a simple bridge rectifier with an Electrolytic capacitor 35V/3.300uF.

The A-270 is like this schematic:

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My volumio project

Postby voxxonline » Sun Jul 27 2014 19:39

Thank you
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My volumio project

Postby icai » Sun Jul 27 2014 23:10

What is the switch in use?
Is it from this source - http://www.mausberrycircuits.com/produc ... own-switch

If you could share a step by step build of your project, it would benefit a lot of us :)

Thanks!
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My volumio project

Postby Gerry_222 » Mon Jul 28 2014 07:19

The main-switch is a simple toggle switch on the rear side which cuts the 230V AC. (I don't like any Standby power consumption)
The Switch of the Case is not in use, only the LED is connected to the 3,3V of the GPIO Connector.

But this would be an nice feature.

I also thought about to supply the 5V to the Pi over the GPIO Connector. (So the regulator of the Pi is not in use.) But I heared that the "conductor track" from the GPIO is a little too thin.
Last edited by Gerry_222 on Wed Aug 13 2014 14:24, edited 1 time in total.
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