Hello! I wonder if it is possible to build hexapod (like BH3-R) using PDA’s motherboard (Intel XScale PXA261) instead of Bot Board and Atom processor. Will it be possible to “connect” servo-controllers and so on?
I’m a new to this robot creating and I have never done such things before so sorry if you find this question a little bit stupid.
The same way a laptop can control the SSC32, you can make your PDA do the same. Details on how to do this is beyond my knowledge. I have seen this done before but I am not sure if a ssc-32 was used.
Are you asking about PDA’s as a general device class, or PDA as some specific manufacturer’s product based around the PXA261?
All you need to control the SSC-32 is an RS-232 or TTL serial port. Whatever you choose to put on the other end of that serial port is your option, as is the language you choose to program it with. It is that simple. 
Thanks for replies! I’m asking about specific PDA made by RoverPC model S2 (this is the Russian producer) around world this PDA is known as Lenovo ET PDA. The mainboard of this pda has USB port. I suppose I can connect this SSC32 using RS232-to-USB to it.
Ok that helps. Looking it up on the web it appears to have RS-232 serial port availble even if you have the proprietary connector to get to it. Having no idea how difficult or expensive getting something with the connector may be, that would at least appear to be the most direct route.
You are also correct that a USB-to-RS232 adapter could do the job although read around these forums to get an idea of some of the problems folks can have with that approach. I think so long as you are not trying to send commands to the ssc-32 and poll for the results with a short timeout then just about any of them should work acceptably. Some USB-to-serial devices/drivers have a high latency between sending/receiving data and it actually getting to/from the desitnation.
Another option could be to use a bluetooth-to-serial adapter but I don’t know what sort of programming challenges that might present, and I am fairly certain the latency issues typically encountered with USB-to-serial will be at least as bad if not worse.
Good luck, and it would be interesting to see where you go with this when you pick a path and start building.
Thanks again! That is the easiest thing to link these 2 boards with each other by the connector. I don’t think that speed will be a big problem. This robot is not a “race car” and USB speed will be enough for this. The most difficult is to find/write a proper soft. Windows Mobile is using special C++. Anyhow I don’t think I can do it very quickly considering that I have never programmed or constructed a robot 