Control a robot from the computer wirelessly?

Anybody got Idea's?
I know of one way witch is from www.rentron.com but I was hoping for some other ways.
Ps. Big fan of Gordan McComb

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ir(lotta motherboards have it built in, though maybe not the one you're using, but it's just a serial port), bluetooth(gumstix use em, they're small, seem to be unubtrusive, might use a usb bluetooth adapter), wireless ethernet bridge(dlink makes some nice ones), coils buried under carpet or in concrete(is called inductive loop, can also charge the bot), ultrasonics(besides having every dog in the neighbourhood wailing uncontrollably it should work wonders), there may be another few i'm missing, but i figure those are the biggies, and yes, i'm aware of a lack of periods and the long braketed notes, suffer.
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I want to use rf and want a range of at least 120' feet.
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Robo1 wrote: > I want to use rf and want a range of at least 120' feet. >
You might want to look at some of the Laipac stuff; there's a 2.4GHz transceiver module (obviously you'd need one at each end) that can give a range up to 150m at 1mbps: <http://www.laipac.com/easy_trf24_eng.htm
If you've actually got a PC on board the robot, you could always use an 802.11b/g WLAN with decent antennae - these can extend the range quite a bit. (Lots of info on this in the O'Reilly book "Wireless Hacks")
Cheers
M
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Matthew Smith
Kadina Business Consultancy, South Australia
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I've just started using MaxStream's 9XCite transceiver modules. Got PC-to-PC and PC-to-microcontroller comms going in a matter of minutes. No need to worry about all the low-level software stuff required for some of the cheaper chips. Very plug-and-play. Very nice.
-Pete.
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Robo1 wrote:

What I am using is standard Wireless 802.11g wireless networking. You pick up waps or routes for like $29 dollars these days.
If you use a UNIX like Linux or FreeBSD, it is much easier. You can open up a command line console to the robot over the link. You can even run graphical programs on the robot and set the display to be your desktop system.
With SSH you can set compression across the radio link to increase effective throughput.
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You can hack a 900mhz cordless phone that you get from thrift store for a buck. It takes a transformer and two pots. 2.4ghz phones work too.
I think they should get about 120ft. Need a modem on your robot, and a modem on the controlling PC.
I got the system to work but HD creates horrible noise on the line.
Rich
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What kind of modem are you talking about I know more then one?.
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telephone modem.
Rich
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