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Power Connector Size?

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Posted at 12/17/2014 16:53:31     
Im looking at getting a heavy duty power adapter here for overclocking and heavy stress testing

http://www.adafruit.com/products/658

What I want to know is does the board already have a 2.1mm plug or should i purchase the usb converter for the Power adapter?

http://www.adafruit.com/products/988

if this is in the wiki im sorry i missed it
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Posted at 12/17/2014 17:12:23     
From the pictures you can see the board has a female dc connector. But i do not know the size, i would like to know the size as well
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Posted at 12/17/2014 17:45:40     
The power interface on Firefly is DC4.0 standard.
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Posted at 12/18/2014 00:29:13     
Thanks,  but in mm?
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Posted at 12/18/2014 02:46:26     
It's not a standard 2.5/2.1mm DC socket (see my comment) ?so you will need the usb adapter.
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Posted at 12/18/2014 03:14:33     

It's not a standard 2.5/2.1mm DC socket (see my comment) ?so you will need the usb adapter.










Thanks again Jas :] alright i was hoping i didnt but its not a big deal

Want to try for 2.5ghz so need to make sure power isnt an issue
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Posted at 12/18/2014 04:26:02     

ECHOA:

just replaced mine with a 5v 3a supply and the plug I used was a 1.7mm X 4mm.? I wouldn't go past the 3amp. Couldn't find the usb type had to buy the one piece molded unit.
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Posted at 12/18/2014 04:38:04     

ECHOA:

just replaced mine with a 5v 3a supply and the plug I used was a 1.7mm X 4mm.? I wouldn't go past the 3amp. Couldn't find the usb type had to buy the one piece molded unit.I need a charger 5v 3a as well. Where can i buy a good one shipped to italy? I only saw usb chargers 5v 3a on aliexpress, but thy do not seem quite good fron feedback. So any suggestion? Can i buy one with 1.7mm x 4.4 mm, is it sure?
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Posted at 12/18/2014 06:26:40     
ECHOA:

just replaced mine with a 5v 3a supply and the plug I used was a 1.7mm X 4mm.? I wouldn't go past the 3amp. Couldn't find the usb type had to buy the one piece molded unit.

i decided the 4amp one would be enough for my needs :] its cheaper too

any reason you wouldnt go beyond 3amp? as im aware the board will only pull what it needs so going beyond 3 would only mean more headroom.
http://www.adafruit.com/products/1466
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Posted at 12/18/2014 08:49:07     
Echoa:

The Firefly is internally protected at the dc plug with a 3 Amp fusible link. So if pull over 3 amps on the board you will be learning how to solder a new power plug on the board. Look at the schematics third page power supply upper right hand corner.

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