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Originally Posted by Dave Flowerday
We used something like this last year to control our arena for our mini competition. We used DB15 to RJ45 adapters (a standard product, should be able to find them at Digikey), and then used flat 8-conductor telephone wire to bring each operator position back to one control box that had individual enable/disable, disable/enable all, and auto enable controls. It worked really well.
This year we designed a more complicated system which was computer controlled and allowed for a nice GUI interface to control the field. It was similar to the setup on the practice field in the pits at Atlanta.
Anyway, just thought I'd let you know that what you're talking about is pretty easy and works well.
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OK cool, i just checked and i have 8 or so female DB9 to female RJ45 connectors here. Ill take one with me to iri and im gunna be looking for you dave to talk about this dongle and see if we can come up with a schematic for it. If i can get a schematic drawn up, ill pos it here and also i will direct link you all to the connector at digikey so you can make the dongle/controller if you would like to.