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IanCanada's Latest RPi GB Goodies Impressions... and your tweaks, mods and hints...
IanCanada's Latest RPi GB Goodies Impressions... and your tweaks, mods and hints...
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Old 30th June 2020, 07:57 PM   #1471
wealas is offline wealas
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Quote:
Originally Posted by prohvesor View Post
Hello all!
I'm using ReceiverPi to connect TV to my RPI stack. There is small delay between sound and video, how to solve it?


Check the settings of your TV for an audio delay function. Samsung TVs have had it for while.
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Old 4th July 2020, 12:44 PM   #1472
VT67 is offline VT67  Belgium
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This will be the line-up of my future streamer.

Regards
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Old 5th July 2020, 03:39 AM   #1473
stokessd is offline stokessd  United States
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I have a couple of questions about this hardware and compatibility. I have the fifopi, the ess controller, ess9028 DAC, and the transformer output stage.

I have tried a couple different distributions for the Pi and I would like to use ropieee as I'm using Roon for my streaming. I setup ropieee and selected hifiberry dac+ in the list and I can get music out of the unit both with airplay and also with Roon. However I cannot adjust the volume with Roon, it appears to be fixed even though I said use device volume.

Can someone share with me their ropieee settings to allow the hardware volume control to be used through Roon?

I would also love to use the 7" touch screen, and I pulled the controller off the unisolated GPIO pins on the fifopi and plugged in the power and comm lines for the touch screen and I no longer get output from the DAC. Can a touch screen be used with the 9028 DAC board?

Can someone please share their ropieee setting to get the hardware volume control working? I'd appreciate it a lot.


Sheldon
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Old 12th July 2020, 07:57 AM   #1474
Beetrood is offline Beetrood  Hong Kong
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What supercaps you putted on ? Did it make any different?

Quote:
Originally Posted by nano35 View Post
I will put some supercaps in.
Here is the diagram I like to confirm with you all.
Hope it is correct.
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Old 15th July 2020, 05:53 AM   #1475
nano35 is offline nano35  Hong Kong
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supercap: Maxcell BCAP0003 P270 S01
I put 2 in series with resistors.
Somehow with the supercap on FIFOPI, the RPI does not want to boot.
So finally I gave up.
Instead, I put a 10,000uF, 0.1uF and 0.01uF on FIFOPI.

Hope this helps.
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Old 19th July 2020, 01:54 PM   #1476
diyiggy is offline diyiggy
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Hello,


I am going to use a FifoPi with Andrea Mori clock and its own osci & power supply. But the clock powersupply rail, I would like to enhance all the rest with the tweaks talked here : 2 super caps and all. Is there plus a post that sumarize it all please in order to drop a BOM at Mouser or Farnell ?


Many thanks if any links about that and how should te Rpi+FifoPi should be powered/tweaked.
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Old 30th July 2020, 04:43 AM   #1477
nano35 is offline nano35  Hong Kong
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Hi UMarcus,
I followed your mod of removing all 5 E-caps in your post #1382.
WOW! What a surprise!
The finest details resurface!
Realism emerges!

I did put a Panasonic low ESR cap Of 10,000uF in one of the empty cap spot and it wonít hurt.
I tried 1.5F supercap before but it rendered my RPI unbootable.
I supply Fifopi with LT3042 @ 3.3V using Ianís pcb.
I also put in a Rubycon PMLCAP of 0.1uF for each clock.

I have both Accusilicon and NDK clocks for comparison.
After 100 hours of burn in time, I think I like Accusilicon a bit more.
Accusilicon is more in the front row while NDK is in the mid row.
I am very happy about this!
Thanks.
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Old 30th July 2020, 10:29 AM   #1478
diyiggy is offline diyiggy
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Hi,


So, no more supercap both for the FifoPi powersupplu and the Rpi powersupply ?
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Old 30th July 2020, 11:36 AM   #1479
nano35 is offline nano35  Hong Kong
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No supercap for Fifopi.
However, Super caps are still used in my RPI3 via GPIO 5V pin. That has no problem for RPI.
I just put 2 supercaps in series and connect to RPI. It is not from Ian’s product line.
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Old 30th July 2020, 12:42 PM   #1480
diyiggy is offline diyiggy
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Thank you nano35 for that.
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