no USB ports, no flash-card reader...these are things that would be very trivial to add from both a cost and engineering perspective, yet are still lacking Because adding those things would prevent it from being smooth and sleek. Jobs hates ports on devices for aesthetic reasons and he has final say on design. Thus, Apple products have the bare minimum needed for the device to function. Didn't you ever wonder why so many Apple products have the batteries are sealed inside? If a battery compartment door would spoil the lines, you're dreaming if you expect something as hideous as a USB port.
one reason the batteries are starting to be sealed in in more devices is because then they don't need to put the batteries in a row like in a laptop battery pack. they can fit the individual cells where there is room inside the unit, using the space more efficiently.
It's built from the Robotis Bioloid kits. Very flexible, in two ways: the kits contain a lot of brackets and mechanics to build a lot of custom or existing projects, but more interestingly for the EE/CS crowd the servos referred to above are controlled by a 1 mbit/s asynchronous serial daisy-chain bus where you can access registers in each servo in a purely digital way. You can set target positions, read back temperature, position, current torque etc. This way you can use the servos not only as actuators but as force-sensors and for learning poses (you just drag around the robot extremities to the desired position and read out the position from the servos). So you eliminate a lot of accessory electronics normally needed for the traditional kind of servos in robotics.
Having said that, there are other modern servo systems with similar functionality on the market now. The Robotis servos are very strong but still has a plastic feel. I'd like exactly the same kit but with more metal in the parts I think..
Hell, even the spanish inquisition had a default verdict.
Well, I didn't expect the spanish inquisition to come up in this context!
Nobody expects the spanish inquisition!
"There are some good people in it, but the orchestra as a whole is equivalent to a gang bent on destruction." -- John Cage, composer