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by GChriss
Tue Jan 22, 2013 9:14 pm
Forum: Other projects
Topic: powering the Pi through the audio jack? NO!!!
Replies: 21
Views: 4671

Re: powering the Pi through the audio jack!?!?!?

It isn't undervolting
I'm pretty sure it's undervolting.
Will the madness never end?
This is creative powering, that's all.
by GChriss
Tue Jan 22, 2013 4:27 am
Forum: Other projects
Topic: powering the Pi through the audio jack? NO!!!
Replies: 21
Views: 4671

Re: powering the Pi through the audio jack!?!?!?

Ethernet works without issue as well.

While on the topic, it may be possible to power the Pi over PoE using something akin to the following:
PoE to USB / IT-CHRG-P2U/IT-WPCHRG-P2U
http://www.fsrinc.com/products/it-chrg-p2u.htm
by GChriss
Tue Jan 22, 2013 3:47 am
Forum: Other projects
Topic: powering the Pi through the audio jack? NO!!!
Replies: 21
Views: 4671

Re: powering the Pi through the audio jack!?!?!?

Using a generic 2-Amp USB battery pack wired to a TRS 3.5mm audio jack as follows I can confirm the Pi powers just fine without any discernible damage. This is particularly helpful when you need to "walk" the device from one Micro-USB power source to another without rebooting the device. Tip <-> +5V...
by GChriss
Mon Jan 21, 2013 4:54 am
Forum: Other projects
Topic: powering the Pi through the audio jack? NO!!!
Replies: 21
Views: 4671

Re: powering the Pi through the audio jack!?!?!?

OK, I'll grab a 5V barrel connector and report back.
by GChriss
Sun Jan 20, 2013 11:41 pm
Forum: Other projects
Topic: powering the Pi through the audio jack? NO!!!
Replies: 21
Views: 4671

Re: powering the Pi through the audio jack!?!?!?

There's some truth to this one -- I was able to partially power the Model B board using a 3.5mm stereo male <-> dual RCA male cable, no other cables ( i.e ., microUSB, Ethernet, HDMI) attached. 'Partially' powered means the cables were sparked against a 5V USB power source resulting in partially-lit...

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