Arduino Setup: You'll need power for the stepper motors and limit switches for the concentric tube self-collisions Interrupts have been used to stop motor control in this way. The Pin connections: ...

[Dimitri Diakopoulos] dropped into our tip line to let us know his HIDUINO project. The HIDUINO is a set of firmware for the ATmega8u2 used in the new revisions of the Arduino (Uno, and Mega2560 f… ...