solar powered portable computer (based on beagle)

Hi,

I have been working toward building a solar powered portable computer,
here is my latest hardware:

http://digitalsurveyinstruments.com/beagleperiphials/solarcomputer/index.htm

The system is working well, and I can do all kinds of things with it.

Sean

Sean, nice!

Do you have some info on the source of the components. I am especially
interested to learn what battery and solar panel you used.
Btw: is it possible to use the panel to charge the battery?

Frans.

Sean, nice!

Do you have some info on the source of the components. I am especially
interested to learn what battery and solar panel you used.
Btw: is it possible to use the panel to charge the battery?

I got the batteries from:
http://www.sureelectronics.net/

They were about half the price on most other sites.. not sure if this
is good or not yet.

The solar are flexible solar panels, search for that. And yes the
panels charge the battery (obviously)

Sean

Good work, thanks for sharing.

Regards,
Khasim

I installed Angstrom software, in the first BOOT, the new login screen was show.

The problem is, the mouse or keyboard donĀ“t work for login create. In the remote serial the message is show when both is conected (keyboard or mouse):

usb 2-1.1: new low speed USB device using musb_hdrc and address 6 usb 2-1.1: device v15ca p00c3 i usb 2-1.1: configuration #1 chosen from 1 choice input: USB Optical Mouse as /class/input/input5 generic-usb 0003:15CA:00C3.0004: input: USB HID v1.10 Mouse [USB Optical Mouse]

on usb-musb_hdrc-1.1/input0

The problem is the driver? as I test if the problem is the drive?

Alessandro

Ok, maybe be my electronics knowledge is becoming too rusty, but can
you clarify a little.
I guess I need a 5V (or 4.5 or so) battery and ditto panel. Can I
connect that directly or do I need additonal electronics?
Don't want to blow up my beagle...

FM

Not sure where you get one. Are you thinking of 3 AAA batteries in series?

My final plan involves two lithium cells in series with a high
efficiency buck regulator down to 5v, but I have boosted to 5v from a
single cell as well.

Sean

Sean D'Epagnier said the following on 05/27/2009 01:16 AM:

  

Sean, nice!
      

Do you have some info on the source of the components. I am especially
interested to learn what battery and solar panel you used.
Btw: is it possible to use the panel to charge the battery?

I got the batteries from:
http://www.sureelectronics.net/

They were about half the price on most other sites.. not sure if this
is good or not yet.

The solar are flexible solar panels, search for that. And yes the
panels charge the battery (obviously)
      

Ok, maybe be my electronics knowledge is becoming too rusty, but can
you clarify a little.
I guess I need a 5V (or 4.5 or so) battery and ditto panel. Can I
connect that directly or do I need additonal electronics?
Don't want to blow up my beagle...

Not sure where you get one. Are you thinking of 3 AAA batteries in series?

My final plan involves two lithium cells in series with a high
efficiency buck regulator down to 5v, but I have boosted to 5v from a
single cell as well.
  
wondering if it is cheaper to buy from [1] and plug it to usb OTG port?
i had one of these chargers booting beagleboard some time back -> did
not seem to cause any issues..

Regards,
Nishanth Menon
Ref:
[1]
http://www.amazon.com/s/ref=nb_ss_gw_0_14?url=search-alias%3Daps&field-keywords=solar+usb+charger&x=0&y=0&sprefix=solar+usb+char

Sean D'Epagnier said the following on 05/27/2009 01:16 AM:
>>> Sean, nice!
>>>
>>>> Do you have some info on the source of the components. I am especially
>>>> interested to learn what battery and solar panel you used.
>>>> Btw: is it possible to use the panel to charge the battery?
>>>
>>> I got the batteries from:
>>> http://www.sureelectronics.net/
>>>
>>> They were about half the price on most other sites.. not sure if this
>>> is good or not yet.
>>>
>>> The solar are flexible solar panels, search for that. And yes the
>>> panels charge the battery (obviously)
>>
>> Ok, maybe be my electronics knowledge is becoming too rusty, but can
>> you clarify a little.
>> I guess I need a 5V (or 4.5 or so) battery and ditto panel. Can I
>> connect that directly or do I need additonal electronics?
>> Don't want to blow up my beagle...
>
> Not sure where you get one. Are you thinking of 3 AAA batteries in
> series?
>
> My final plan involves two lithium cells in series with a high
> efficiency buck regulator down to 5v, but I have boosted to 5v from a
> single cell as well.

wondering if it is cheaper to buy from [1] and plug it to usb OTG port?
i had one of these chargers booting beagleboard some time back -> did
not seem to cause any issues..

Regards,
Nishanth Menon
Ref:
[1]
http://www.amazon.com/s/ref=nb_ss_gw_0_14?url=search-alias%3Daps&field-keyw
ords=solar+usb+charger&x=0&y=0&sprefix=solar+usb+char

Problem with a lot of them is they don't describe the solar panel power. I
have a no name unit and it has a weak panel so it takes forever to top off
its local storage battery.

Sean,

I don't see this in list of beagle projects,
http://beagleboard.org/project. Can you please add your project here ?

Regards,
Khasim

You could but you would need 30 of them to get as much solar power as
I have so I don't think it's cheaper, and it would be way heavier.

Sean