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Posted: **Mon Nov 18, 2013 11:01 am**

Hello.
Ecio40 has GND in pins 2 and 26. Do I have to connect these, or are the pins already connected inside the chip? Or is it possible that GND in pin2 must be used only with VDD out?

Posted: **Mon Nov 18, 2013 11:38 am**

Hello,

Both the grounds are connected together on board the ECIO. You should only need to connect your external electronics to one of the pins.

Posted: **Mon Nov 18, 2013 11:56 am**

As I thought. Thanks for the answer

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