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Author Topic: 3 x GND on Arduino ADK (solved)  (Read 219 times)
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Hello people,

on my arduino I can find the 'GND' label three times: http://arduino.cc/en/uploads/Main/ArduinoADK_R3_Front.jpg
 - two side by side on the lower edge between 5V and Vin
 - one of the upper edge between AREF and digital pin 13

I guess the upper GND is the groud for the digital signal pins.
The two lower GND's are the ground for each 3.3V and 5V ?

But which one is for 3.3V and which one for 5V, if so?

I appreciate any help. Thanks in adivse, yours
Murat
« Last Edit: November 27, 2012, 06:02:33 am by L3spaul » Logged

Gosport, UK
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They are all connected. It doesn't matter which you use.
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The GNDs are common. They are all connected and can all be used for either 5V or 3.3V.
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Oh, good to know.

Thank both of you..
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