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Cronus - It's about time.

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C

ced

Member
Joined 2001
Yep, a protected Li-ion battery, cylindrical 18650 forme, was kindly delivered by Amazon this morning, but the battery holder with solder tags is still en route so for the moment I can't add this functionality.
I've assumed soldering in both 4-pin/socket headers to the BBB/Hermes in the 'BATT' location to allow mating is fine for the moment, and won't disrupt performance.
Assuming further; only when the battery is actually wired in should I bridge the 2 pads of J1 to allow recharging, is this correct?

Otherwise physical build of Hermes/cronos/rhea has gone swimmingly well so far, confident of it. I can post step by step pictures if it will be of help to others.

However, hit a brick wall on the Botic install. Can't get the SD image to boot and wondering if anyone can give some hardware advice?
BB hooked up to usb-usb cable, SD card inserted into BBB. Pressing the boot button down, insert usb into laptop to power up and ... nix. Power LED goes on on BBB and that's it. No more LED action, BBB goes quiet. That can't be good.
Tried same but with a network cable from router direct into BBB as well and same process with same results. Router is not registering the BBB as a client and no IP address for it. Suspect something super obvious, but without IP address or some life in the BBB, can't move on to Mieros final instruction to 'use it' via ssh or http and get on with mounting music library hard drive.

any suggestions gratefully received
Ced
 
Duffy Moon

Duffy Moon

Member
Joined 2008
ced said:
However, hit a brick wall on the Botic install. Can't get the SD image to boot and wondering if anyone can give some hardware advice?
BB hooked up to usb-usb cable, SD card inserted into BBB. Pressing the boot button down, insert usb into laptop to power up and ... nix. Power LED goes on on BBB and that's it. No more LED action, BBB goes quiet. That can't be good.
Tried same but with a network cable from router direct into BBB as well and same process with same results. Router is not registering the BBB as a client and no IP address for it. Suspect something super obvious, but without IP address or some life in the BBB, can't move on to Mieros final instruction to 'use it' via ssh or http and get on with mounting music library hard drive.
Click to expand...

Maybe it isn't getting enough power from the USB?
 
Russ White

Russ White

Member
Joined 2005
twistedpearaudio.com
ced said:
....
I've assumed soldering in both 4-pin/socket headers to the BBB/Hermes in the 'BATT' location to allow mating is fine for the moment, and won't disrupt performance.
Assuming further; only when the battery is actually wired in should I bridge the 2 pads of J1 to allow recharging, is this correct?
...
Click to expand...


Sorry for the delay in answering (I just returned from an intense business trip) - you can install the jumper (I just bridge it with solder) and the header any time - with or without the battery. Once you have the battery sorted just wire it in observing correct polarity.

Not complaining - but this line of questions would have more relevance on the Hermes-BBB thread. It would be easier for folks looking for the same answer to find.

Cheers!
Russ
 
Russ White

Russ White

Member
Joined 2005
twistedpearaudio.com
twluke said:
I'm not sure if this is the right place to ask this trivia:

There is a pad on the other side of the Rhea board, probably reserved for a buffer cap between Vcc and GND. I'm curious to apply a 0.1uF to it. Is this okay or redundant?

TIA
Click to expand...
Not a bad question at all.

It is a spot for additional bypass cap. It is fine to use it. Some XOs don't include a built in bypass cap and for those XOs you will definitely want it.

Cheers!
Russ
 
Duffy Moon

Duffy Moon

Member
Joined 2008
syklab said:
Hi Russ,
Just received my Cronus + Hermes-BBB now, any build guide? BOM ? How to start ? I am using 9023 DAC with I2S input.

Thanks
Click to expand...

No guide yet. Depending on your level of expertise, you should be able to figure things out by reading the threads on here (which aren't too big as of yet).

The only real soldering is the resistors, LEDs and headers/terminal blocks (depending on how you want to install - do a test mounting before soldering).

I have found the following posts to be most helpful on the hardware front:
http://www.diyaudio.com/forums/twisted-pear/272053-hermes-bbb-botic-cape-beaglebone-black-9.html#post4300293
http://www.diyaudio.com/forums/twisted-pear/250583-building-open-embedded-audio-applicance-118.html#post4200187
http://www.diyaudio.com/forums/twisted-pear/273362-hermesbbb-cronus-opus.html#post4302644
http://www.diyaudio.com/forums/twisted-pear/273362-hermesbbb-cronus-opus-2.html#post4307499
http://www.diyaudio.com/forums/twisted-pear/273362-hermesbbb-cronus-opus-2.html#post4307840
http://www.diyaudio.com/forums/twisted-pear/273362-hermesbbb-cronus-opus-3.html#post4307859
http://www.diyaudio.com/forums/twisted-pear/272053-hermes-bbb-botic-cape-beaglebone-black-16.html#post4307411

For miero's wonderful Botic software, go here: http://bbb.ieero.com/
 
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