I'm looking for a way to use bluetooth to control play/pause type of commands from my PDA. I'm still debating what I want to use as my music player but if either one can be controlled with my PDA, that would make my decision ! Otherwise I can stick with a possible remote control for my PC, but I really wouldn't know where to start. I figure they have IR adapters, but you still need some sort of software to control that. I figure since I'm getting a PDA phone soon and have used a wiimote as a bluetooth device before on my computer, it might be the best supported. Might need some experience for this one. Thanks!

http://www.rudeo.com/default.htm
or you can just remote into your pc via something like logmein.
Lots of different options/software.

http://www.novii.tv/ if you ever want to use the ir port to control devices. ymmv depending on the type of ir in your device

Any freeware versions?

I looked at writing something like this but a bit more genric and via wifi.

If you are using a windows htpc it would probably work just dandy. The idea is a web site running on .NET on your HTPC that would be able to spit out the system commands for play pause whatever. then you just use the browser on your computer or pda or cell phone (if you make the HTPC site route out to the net you can use GPRS/EDGE or EvDO on your celly)

It could also be used for much more like a web cam security system or whatever. It wouldn't be hard to program as it is just a server not client program would need to be created so it is a very one sided thin client approach. I began writing something like this but never finished it. I would like to resume it. I already have my media library list online and accessbile worldwide so I could easily make a web page that would do this simple functionality. http://computercowboy.kicks-ass.net
A more robust and probably better approach would be a central server and web services on the pcs that you want to control. I for example have a media server that is also my NAT,VPN, Gateway. If I put a site on there that talked to web services on computers all over the house I could control them all from there. Why stop there? Get a couple x10 plug and power units and interface with that software to turn stuff on and off. Turn on the PJ roll down the screen and kill the lights.

I am going to get started on the program I described above. I found this info this morning on codeproject.
http://www.codeproject.com/csharp/WMP_RemoteCntrl_Part2.asp

.NET makes everything very easy, when you want to do something with existing APIs outside of .NET that is very easy also using the interop classes.

My goal for version one is a simple web service that can be installed on one or many computers which receives commands and executes them. Then a simple web page that can interact with one or many of the computers with the web service running on them so that you can send out the commands. This would be very flexible because you can install the service and site one one machine or have the site on a central server and control many computers.

I already have the code to select image files from a media server and script load them with daemon tools so I would like to add that also.

here is a little gem I found, it is a WIKI on stuff that you can PInvoke
here is a link to the play pause command

http://pinvoke.net/search.aspx?search=pause&namespace=[All]