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Postby Chacapamac » Sat Apr 08, 2017 6:41 pm

This is a basic Camera-Pi Board-tether (20 meter Ethernet cable) and power source diagram. I just want to know if correct and what you think about it?

Camera-Pi-Plan-SIMPLE.jpg

Camera-Pi-Plan-SIMPLE.jpg (184.82 KiB) Viewed 182 times

Chacapamac
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Postby Jake » Mon Apr 10, 2017 10:09 am

Hi,

Looks fine - obviously the battery needs to be within the UBEC's functional voltage range

-- Jake

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Postby Chacapamac » Mon Apr 10, 2017 2:04 pm

Thanks Jake for your answer.
The only thing that bug me is that I can see that most people do not recommend to power the Pi Board by the GPIO and prefer the mini-usb. If I understand well it’s because you bypass all board protection (fuse and all) using the GPIO.

The UBEC —> https://www.modmypi.com/electronics/pow ... -converter
seem to have onboard protection:
— Battery polarity reversal protection

What do you think of the danger using the GPIO and the UBEC?

Can you mod the UBEC to use the mini-usb, should be easy ?

Chacapamac
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Postby Dave » Mon Apr 10, 2017 2:08 pm

Chacapamac wrote:Thanks Jake for your answer.
The only thing that bug me is that I can see that most people do not recommend to power the Pi Board by the GPIO and prefer the mini-usb. If I understand well it’s because you bypass all board protection (fuse and all) using the GPIO.

The UBEC —> https://www.modmypi.com/electronics/pow ... -converter
seem to have onboard protection:
— Battery polarity reversal protection

What do you think of the danger using the GPIO and the UBEC?

Can you mod the UBEC to use the mini-usb, should be easy ?


Yeah wiring directly to the GPIO does bypass the inboard protection.

Wiring the UBEC up to a micro USB male connector - https://www.modmypi.com/electronics/con ... usb&page=2 - should be simple enough. Just make sure you get the polarity correct :)

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