August 16, 2014
We had a good group today: Sammy, Conner, Ed, Cole, and Joseph were able to make it.
Ed, Sammy, and Joseph worked on the armature, adjusting the limb lengths and working out a system of straps for the user to wear:
Conner and Cole simplified the control electronics for the first prototype elbow by replacing the Arduino Mega board that was being used with a (much less expensive) ATTiny85 chip. Here’s Conner checking the circuit:
