I braccetti sono stati stampati in 3d da un disegno fatto con Autocad Inventor.
Second attempt at creating an extensible arm using a stepper motor and a bluetooth module connected to an Arduino Nano. The control software has been done with B4A. The movement is made counter-keying 2 racks on the stepper pinion..
The arms were printed in 3D by a drawing done with Autocad Inventor.