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thanks for your reply blackbeard, I think I will make a very basic body for now (although indeed we have a 3D printer at university and I may consider it at some point).I have a couple of follow-up questions:(1) What is the difference between AXON and AXON II? And will it make any difference to my proposed robot (16 servo hexapod + up to 5 sensors I guess).And can I buy this anywhere in England/Europe?
(2) And bluetooth -wise, as I understand I can connect a bluetooth card to the AXON controller via UART, and then pair the bluetooth transiever with any bluetooth enabled computer, and then create a virtual com port on the computer, which will give access to the AXON via hyperterminal (and therefore programs like MATLAB). So that I can control each servo individually.Will something like this http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=200554920545 do the job?
(3) I do not intend to store large routines in the controller, maybe some simple leg movement routines, which I will execute from matlab. Am I correct to say that the controller works in this way? Or will there be a significant delay between sending a command from my computer and its execution?Thanks!
-connect the 7.4V battery to AXON2 and servos (12 of them) to unregulated ports and hope for the best (0.2V over rated volatge)
-connect the 7.4V battery to AXON2 and servos to regulated 5V ports (there are 16 of them). Is this possible?
-connect 7.4V battery to AXON2 and the 3.7V battery to servos with the dual battery configuration of AXON2. Although this will add a bit more weight and 3.7V is quite low for those servos I think, I'd like them to be close to 6V.
-get some sort of device that could reduce 7.4V voltage to lower, e.g. a diode (as someone suggested on forums it can reduce voltage by ~1V or something)or power regulator , although I would prefer not to spend a huge amount of money on this or add more wieght.Thanks
Hmm, if it's so tricky, I think I will just get a 4AA battery holder and solder a hitec lead to it Thanks