Recommendation for distributed IO
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Posted by on February 9, 2007, 7:40 pm
Please log in for more thread options Hi - I'm looking for recommendations for inexpensive distributed IO boards for home automation. I'd like to monitor and control a few points around the house. I'm thinking of remote IO boards that talk serially to a central control board (or maybe just a central linux box). I've seen a few IO boards here and there, with not too bad prices (around $50 US). However, they tend to have a lot of IO per board. Is there something out there that is even smaller and cheaper? Let's say 1 to 4 IO points per board, connected in a daisy chain. Thanks. | ||||||||||||||||
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Posted by AZ Woody on February 9, 2007, 9:28 pm
Please log in for more thread options Check out the 1-wire stuff from Maxim. It can be done with only a usb port on the server, and many (cheap) devices are availible for monitoring/control... The usb->1-wire device is ~$20, but you need to do some programming.
I'm currently controlling/monitoring about 20 points with this
See www dot eclipsehomeauto dot com email me at homeauto at eclipsehomeauto dot com wdoe999@yahoo.com wrote: > Hi - I'm looking for recommendations for inexpensive distributed IO
> boards for home automation. > I'd like to monitor and control a few points around the house. I'm > thinking of remote IO boards that talk serially to a central control > board (or maybe just a central linux box). I've seen a few IO boards > here and there, with not too bad prices (around $50 US). However, > they tend to have a lot of IO per board. Is there something out there > that is even smaller and cheaper? Let's say 1 to 4 IO points per > board, connected in a daisy chain. Thanks. > | ||||||||||||||||
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Posted by sylvan butler on February 15, 2007, 4:16 pm
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> I'd like to monitor and control a few points around the house. I'm
> thinking of remote IO boards that talk serially to a central control > that is even smaller and cheaper? Let's say 1 to 4 IO points per
> board, connected in a daisy chain. Thanks. The 1-wire suggestion is good. Also see RS-485. sdb -- What's seen on your screen? http://pcscreenwatch.com sdbuse1 on mailhost bigfoot.com | ||||||||||||||||
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