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#1 G@ND@LF

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Posted 18 July 2012 - 07:56 AM

Hi guys, I would please like to know the maximum output current of the Netduino plus and would it be possible to control a 5V relay with the netduino? The way in which I am configuring this is by connecting the one end of the relay's coil to 5V and the other to a digital pin. So whenever the output of the digital pin is false then the relay would switch from one state to the next. Any help would be appreciated. Thanks Rudolph

#2 Stefan

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Posted 18 July 2012 - 08:03 AM

I would please like to know the maximum output current of the Netduino plus and would it be possible to control a 5V relay with the netduino?


Hi Rudolph and welcome to the Netduino community!

The maximum output current is 8mA per pin at 3.3V. See also: http://www.netduino....oplus/specs.htm

For a 5V relay, that's not enough. But you could connect an NPN transistor to the output pin, and drive the relay with that transistor. That way, you can switch 5V.
"Fact that I'm a moderator doesn't make me an expert in things." Stefan, the eternal newb!
My .NETMF projects: .NETMF Toolbox / Gadgeteer Light / Some PCB designs




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