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Topic: arduino networking on a budget, can it be done? (Read 1 time) previous topic - next topic

maniacbug

#5
Apr 26, 2011, 02:41 pm Last Edit: Apr 26, 2011, 10:31 pm by maniacbug Reason: 1
Usb serial is definitely the answer.  But if there is some prob with that, try an Ethernet module from mdfly.com for $16.  http://www.mdfly.com/index.php?main_page=product_info&cPath=9_41&products_id=484

Ran Talbott

Quote
some kind of remote communication to the PC


How "remote"?  You can do simple serial up to hundreds of meters using Cat5 with RS-422.

For shorter distances, you can use RS-232, with a serial-based Arduino to save cost.

For a "super super cheap" Arduino core (if you don't need shield compatibility),  be sure to check out the RBBB.


tkbyd

Quote
try an Ethernet module from mdfly.com...


... but if you go that route... and many other Ethernet i/f modules are like this... you will need a source of 3.3v for the Ethernet i/f. (Of course, if you are using a Mega, it has an onboard 3v3 generator.)

One of the advantages of following unit is that it only needs 5v (it has a 3v3 generating circuit onboard)...

http://www.nuelectronics.com/estore/index.php?main_page=product_info&cPath=1&products_id=4

(About $20, (GBP 12.50))

FuzzyOne

Why not try DMX (RS-485), unique addressing, 32 nodes per master, and there is an absolute wealth of pc->dmx devices out there, you can even use the arduino as an opendmx interface

maniacbug


Why not try DMX (RS-485)


Fascinating.  Do you have a good reference for getting started?  Simple web search reveals lots of complex details, but nothing that really explains it from a high level, like with maybe some easy tutorials.

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