OWI Flex?
It's this robot arm
I've been thinking about picking one up myself for S&Gs; maybe set things up to detect limits via current monitoring.
My thought too. The OpenServo folks have an ATmega friendly technique.
... adapting standard servos in some manner to allow their use at the base of the arm (so the arm doesn't have to move as much mass in the form of servos, ....
I've had a similar design idea in mind. I'd like to make a spider-like hexapod.
I'm hoping to get access to a CNC milling machine, or laser cutter to try it out (6 identical legs are a bit much for me to make)
If you get anywhere, please write about it.
GB-)