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Forum: µC & Digital Electronics can 2 Arduinos communicate via USB ?


can 2 Arduinos communicate via USB ?
von Gerald Trost (Guest)

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Hi All!

for a new project I would connect 2 Arduino Nano
to a USB HUB on my computer.

Is there a way the 2 Arduinos could communicate
in this  configuration via the existing USB cables ?

thanks, Gerald

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Re: can 2 Arduinos communicate via USB ?
von Lothar M. (Company: Titel) (lkmiller) (Moderator)

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Gerald Trost wrote:
> I would connect 2 Arduino Nano to a USB HUB on my computer.
> Is there a way the 2 Arduinos could communicate in this configuration
> via the existing USB cables ?
No, because the hub is not able to route any information directly from 
one of the end points to the other. You must communicate between the 
arduinos over the PC: one sends its data to the PC, where a piece of 
softwar eis running that puts that data over to the other arduino.

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Re: can 2 Arduinos communicate via USB ?
von Marc V. (Company: Vescomp) (logarithmus)

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Gerald Trost wrote:
> Is there a way the 2 Arduinos could communicate
> in this  configuration via the existing USB cables ?

 short and sweet:

 NO.

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Re: can 2 Arduinos communicate via USB ?
von Herbi (Guest)

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sweeter ...

YES ... if you use the PC as a relay station. Write a driver which 
receives on on virtual comport and relays the data to the other virtual 
comport.

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