Ah yes - I forgot

If you use the medium size dribox, you can put everything in it, including the battery, charge controller etc. Only the solar panel would be outside.

The 10Ah battery and charge controller don't quite fit in the small dribox. 

I like the way the small dribox works with a smaller battery - it's very compact and still quite light - perfect for one-off 'drops' ..

The medium size box is the one I use with bigger soundcards and it would be nice to shriink the whole thing down. On the other hand it has plenty of room for probably 2 or 3 10Ah batteries like the ecoworthy one, so it is quite versatile, and not really that big..

As Udo says, 10Ah won't get you through an extended overcast period; it basically extends the duration of the 'drop' when it's sunny.

For a really long-term  installation, especially in Winter / a cloudy zone, you would need a bigger battery. In that case, you might decide to put it in a battery box with the charge controller and go with the streambox in the small dribox or even a smaller enclosure.

As you gather, I haven't quite worked out the best way. Thoughts / tests very welcome (including on environmental impacts of lead acid vs lithium batteries), and if I have any updates, I ll send them along

Thanks very much

bw
grant


On 29 Jun 2021, at 19:56, Jem Finer <jemfiner@mac.com> wrote:

Hello Grant,

Thanks for the clarification.

One more thing . . . one dribox or two ?

Thanks,

Jem

On 29 Jun 2021, at 18:58, Grant Smith <grant@soundtent.org> wrote:

Thanks for reading carefully, Jem

'Capsule' is wrong and should be 'plug'
hmm..
I corrected it in the paper doc too

bw
g


On 29 Jun 2021, at 10:49, Jem Finer <jemfiner@mac.com> wrote:

Hello Grant,

This is most helpful, thank you. It’s great to see how everything fits together. One question re the solar set up - are you using a separate dribox for the battery and charge controller or does everything , pi and all, end up in the same box ?

On the subject of wiring the capsules you say:

At the plug, the Right channel + wire goes to the Ring, and the Left channel + wire to the Tip. I bring the negative wires together and connect to the plug ground and also bring the shields together and connect to the ground / earth of the plug.

I’m a bit confused here when you say connect to the capsule ground - do you mean the ground of the mini jack plug ? And similarly for the shields ?

Thanks,

Jem



On 28 Jun 2021, at 15:26, Grant Smith <grant@soundtent.org> wrote:

Hi Jem

I added some photos  to that doc:

https://paper.dropbox.com/doc/Streambox-Off-grid-with-IQ-Audio-Code-Zero-and-solar-Summer-2021--BNh13KJGbECPUUe~F6AvBCSeAg-lod9myP5YfF9Lq4pEnF5F

Let me know queries - I d like it to be clear 

Thank you

g



On 25 Jun 2021, at 22:04, Jem Finer <jemfiner@mac.com> wrote:

Hi Grant,

Thanks for putting this together and sharing your notes. Sounds good !

Is it possible to post some photos of your solar panel setup ?

All the best,

Jem

On 25 Jun 2021, at 10:44, Grant Smith <grant@soundtent.org> wrote:

Hello all

I've been running a test stream off grid in my backyard (http://locus.creacast.com:9001/stream_demo.mp3) for a few days.

This is along the lines of the temporary streams discussed here already. It adds a small solar power unit.

In case useful, I made some notes:

https://paper.dropbox.com/doc/Streambox-Off-grid-with-IQ-Audio-Code-Zero-and-solar-Summer-2021--BNMCOA_e_YYuug9vzbC741Q_Ag-lod9myP5YfF9Lq4pEnF5F

Thanks

bw
grant

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