WRT54G is also fairly easy to find second hand for cheap, they are extremely common. Other than that, a bridge is likely the best way to go to easily transform a wired ethernet into a wireless connection.<div><br></div><div>
Another option would be to replace the wired interface with something wireless capable. There are wifi capable shields/boards for most hobby micros out there. Or if Wifi isn't a real requirement, you could look at something cheap and lightweight like a zigbee or something.</div>
<div><br></div><div>- Paul<br><br><div class="gmail_quote">On Wed, Mar 2, 2011 at 2:47 PM, Jean-Marc LeBlanc <span dir="ltr"><<a href="mailto:jeanmarc.leblanc@gmail.com">jeanmarc.leblanc@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">they WTR52G seems to run at 6V and can run off 4 AA<br>
<a href="http://www.ck3k.org/gal/wrt/" target="_blank">http://www.ck3k.org/gal/wrt/</a><br>
<div class="im"><br>
<br>
Jean-Marc Le Blanc<br>
---<br>
<br>
"Do you pine for the nice days of Minix-1.1, when men were men and<br>
wrote their own device drivers?" Linus Torvalds<br>
<br>
<br>
<br>
<br>
</div><div><div></div><div class="h5">On Wed, Mar 2, 2011 at 2:14 PM, Tom Burns <<a href="mailto:tom.i.burns@gmail.com">tom.i.burns@gmail.com</a>> wrote:<br>
> Simplify, go with a simpler radio than wireless ethernet. You may need a<br>
> micro or full computer on the otherside before it can be on ethernet but<br>
> it'll last longer than a router's worth of processing on batteries.<br>
> <a href="http://sparkfun.com" target="_blank">sparkfun.com</a> sells drop-in wireless radios for serial connections.<br>
> Tom<br>
><br>
> On Wed, Mar 2, 2011 at 2:12 PM, Jean-Marc LeBlanc<br>
> <<a href="mailto:jeanmarc.leblanc@gmail.com">jeanmarc.leblanc@gmail.com</a>> wrote:<br>
>><br>
>> that would be perfect but not at 70$<br>
>> I would try a big 12V batter for UPS and such but I can't figure out<br>
>> how to mount it to my bot.<br>
>> the 15 $11.1v batteries looks neat but I don't know if its enough<br>
>> voltage my 8 1.5V batteries didn't seem to provide enough voltage<br>
>> thanks for your suggestions.<br>
>><br>
>> Jean-Marc Le Blanc<br>
>> ---<br>
>><br>
>> "Do you pine for the nice days of Minix-1.1, when men were men and<br>
>> wrote their own device drivers?" Linus Torvalds<br>
>><br>
>><br>
>><br>
>><br>
>> On Wed, Mar 2, 2011 at 1:58 PM, Andrew Plumb <<a href="mailto:andrew@plumb.org">andrew@plumb.org</a>> wrote:<br>
>> > Forgot to Reply All.<br>
>> > A.<br>
>> ><br>
>> > Begin forwarded message:<br>
>> ><br>
>> > From: Andrew Plumb <<a href="mailto:andrew@plumb.org">andrew@plumb.org</a>><br>
>> > Date: March 2, 2011 1:57:40 PM EST<br>
>> > To: Jean-Marc LeBlanc <<a href="mailto:jeanmarc.leblanc@gmail.com">jeanmarc.leblanc@gmail.com</a>><br>
>> > Subject: Re: [Lab] wireless Ethernet<br>
>> ><br>
>> > You probably want to use something like a wireless travel<br>
>> > adapter/bridge,<br>
>> > kind of like this DWL-G730AP by D-Link:<br>
>> > <a href="http://www.dlink.com/products/?pid=346" target="_blank">http://www.dlink.com/products/?pid=346</a><br>
>> ><br>
>> > Andrew.<br>
>> ><br>
>> > On 2011-03-02, at 1:46 PM, Jean-Marc LeBlanc wrote:<br>
>> ><br>
>> > Hi,<br>
>> ><br>
>> > I Have a robot that connect to the network with Ethernet. The problem<br>
>> ><br>
>> > is that Ethernet requires a wire. Does any one have any ideas how I<br>
>> ><br>
>> > can make it wireless? I thought of mounting a router on top but i<br>
>> ><br>
>> > need 12V at 500mA. I tired using 8 AA batteries but that is not<br>
>> ><br>
>> > working. Some people suggested a wifi usb key but that would require<br>
>> ><br>
>> > open source drivers and allot of porting. any thoughts?<br>
>> ><br>
>> > Jean-Marc Le Blanc<br>
>> ><br>
>> > ---<br>
>> ><br>
>> > "Do you pine for the nice days of Minix-1.1, when men were men and<br>
>> ><br>
>> > wrote their own device drivers?" Linus Torvalds<br>
>> ><br>
>> > _______________________________________________<br>
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>> ><br>
>> > --<br>
>> ><br>
>> > Makerbot Number Nine... #9... 0x09... 0o11... 0b1001...<br>
>> > <a href="http://clothbot.com/wiki/MakerBotNumberNine" target="_blank">http://clothbot.com/wiki/MakerBotNumberNine</a><br>
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>> ><br>
>> ><br>
>> ><br>
>> > --<br>
>> ><br>
>> > Makerbot Number Nine... #9... 0x09... 0o11... 0b1001...<br>
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