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Powering Netduino Plus 2

Powering 7.2 or 5V

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#1 Bernd

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Posted 06 November 2013 - 10:32 PM

Hello,

I have a Problem with powering my netduino plus 2. I have a 7.2V accu pack that goes to a constant voltage power unit with 5V. So I have 7.2V or 5V to disposal. I don't want to use the USB Port for the power supply, because I have Change the USB connector every time when I would like to make changes on the Netduino. The round connector and the Vin Ports have 7.5V - 9V is this right ? Is there any possibility to supply the NP2 ?



#2 sjmill01

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Posted 06 November 2013 - 10:40 PM

I hooked 7.5V to the barrel connector (round one) and its worked like a charm.  To wire the barrel connector, the hot was the center tab of the barrel and the ground was the outer tab of the barrel connector.



#3 Bernd

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Posted 06 November 2013 - 10:51 PM

Hy sjmill01,

thanks for your answer. Do supply the barrel connector with a 7.2V accu pack or with really 7.5V ? Because my Problem is that i have only 7.2V or 5V. 



#4 sjmill01

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Posted 07 November 2013 - 12:50 AM

I have a 12V battery in my system that I regulate down to 7.5V.  It's an R2D2.

 

To help you out, I just tested putting jumpers to the 5V power and ground located near the SD card from my 5V source.  It powered up great and ran my program fine. I'm guessing the 5V port is probably on the same line/circuit as the USB port.

 

See ya',

Sean



#5 stotech

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Posted 07 November 2013 - 08:53 AM

Been there before. This thread has the answer and technical details as to why. I have powered my Netduino 2's with the 5v port a few times with no ill effects but as you'll read it's not perfect.

 

Grant



#6 Bernd

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Posted 07 November 2013 - 01:14 PM

Ok.

Thanks for the help. If I understand it right it is not recommend to power the NP2 via the 5V pin. So I think I have find a alternative to powering the NP2. I find several boards that are able to pull up the voltage. So I will take the 7.2V of the accu pack an pull it up to 9V and connected that to the connector barrel of the NP2. This boards only costs 4-5€ so I think thats a save solution.






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