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 Post subject: 4-20mA Shield Question
PostPosted: Thu Sep 28, 2017 12:25 pm 

Joined: Thu Sep 28, 2017 12:18 pm
Posts: 2
Hello Cooking Hacks!

I'd like to get some information on which analog and digital channels (if any) are used by the Arduino 4-20mA board. I'm using it with an Arduino Uno.

I assume the 4-20mA board uses the ADCs on the ATMEGA CPU? Is this correct?

So, since the ATMEGA328P has six analog channels, which ones are being used by the 4-20mA board? There is no datasheet that I can find.

Also, does the board use any digital channels, or SPI/I2C interfaces?

I am using the boards as part of a larger project, so I need to know what analog and digital channels are available for me, and which are used by the board.

Thank you!

Regards

Mark Wills
Northumbrian Water, UK.


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 Post subject: Re: 4-20mA Shield Question
PostPosted: Fri Sep 29, 2017 7:24 am 

Joined: Mon Sep 28, 2009 12:06 pm
Posts: 11366
Hello Mark Wills,

Mark Wills wrote:
So, since the ATMEGA328P has six analog channels, which ones are being used by the 4-20mA board? There is no datasheet that I can find.


These are the Pins that the shield uses:

Vin // DIGITAL: 5 // ANALOG: 0,1,4,5 are used.

Regards


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 Post subject: Re: 4-20mA Shield Question
PostPosted: Fri Sep 29, 2017 8:21 am 

Joined: Thu Sep 28, 2017 12:18 pm
Posts: 2
Thank you very much for the information.

Mark


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 Post subject: Re: 4-20mA Shield Question
PostPosted: Mon Oct 02, 2017 7:11 am 

Joined: Mon Sep 28, 2009 12:06 pm
Posts: 11366
Hi Mark Wills,

You are welcome.

Godd luck with your project.

Regards


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