Solved Raspberry PI 2 board USB ports electrified my fingers

August 6, 2015 at 00:02:32
Specs: windows 8
i've a raspberry pi 2 and when i touch the usb ports with bare hand i get a little uncomfort current. should it be like that?

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#1
August 6, 2015 at 04:40:19
Usb should never put out enough to feel electricity (unless your real sensitive, which could happen)

Try unplugging ac connection see if you still get the odd feeling. If no check your power source, and a different outlet. Could be a wiring issue.

Although I doubt it need to be said please use normal cautions when messing with power of any sort.

::mike


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#2
August 6, 2015 at 12:55:02
thanks for the advice.

i guess it is the chinese power adapter.
the point is that if i use other power adapter then i get "under voltage" msgs.

so i don't know which to buy now...

but first i will have to check it with my older adapter which is not a cheap one from ebay.


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#3
August 6, 2015 at 16:57:32
✔ Best Answer
I guess maybe the ground and power might be reversed? You could check the pi specs and the adaptors worst case scenario you might be able to reverse it ?

Other thought you might be able to check the voltage with a voltmeter.

::mike

message edited by mikelinus


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