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Minimum Vin Power


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#1 icabodcam

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Posted 10 November 2015 - 02:13 PM

I'm prototyping a power meter for an unattended remote system.  The power system in the device is 24VDC, and I've got some other 12VDC items in there, but I really don't want to put any more drain on the battery system.  So I'm thinking of powering the ND+2 with a LiPo system.  I've been looking at Adafruit's PowerBoost 500 shield as a pretty good plug and go solution, with the exception that if I'm not wrong the Vin pin requires a minimum of 7.5VDC, and the powerboost is providing only 5VDC.   Can someone verify if I can power the ND+2 from Vin with as little as 5V? 

 

 

---EDIT---

I just remembered that I've experienced this before.  5V won't work, so I'm changing my question. 

 

Has anyone else found a solution for powering from a rechargeable battery?



#2 Nevyn

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Posted 10 November 2015 - 03:16 PM

I think you can power with 5V.

 

The barrel jack input is a minimum of 7.5V but the 5V header pin can take 5V.  You just need to make sure you get the regulation right.

 

Regards,

Mark


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Blogging about Netduino, .NET, STM8S and STM32 and generally waffling on about life

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#3 KiwiDev

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Posted 11 November 2015 - 05:17 AM

Hi 

 

I use a solar charger shield (plus a suitably sized battery & optional solar panel) from Seeedstudio as a "UPS" for my Azure IoT FIeld gateway Netduino devices.

 

http://www.seeedstud...v22-p-2391.html

 

Regards

 

@KiwiBryn

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#4 Nevyn

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Posted 11 November 2015 - 05:53 PM

I use a solar charger shield (plus a suitably sized battery & optional solar panel) from Seeedstudio as a "UPS" for my Azure IoT FIeld gateway Netduino devices.

 

http://www.seeedstud...v22-p-2391.html

 

 

That look nifty.

 

Regards,

Mark


To be or not to be = 0xFF

 

Blogging about Netduino, .NET, STM8S and STM32 and generally waffling on about life

Follow @nevynuk on Twitter





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