An interesting Arduino project has been published to the Instructables website showing how an Arduino CNC shield and controller has been used to create an awesome 3 axis Arduino CNC plotter.

This solar tracker system uses the Arduino UNO board, a servomotor, 2 LDRs and 2 resistors to rotate the solar panel towards the Sun or a source of light. Here https ...

Stepper and servo motors have ... loop controlled. Which motor is better for load holding? How to make a submersible glider out of a water bottle, syringe, an Arduino, and a stepper motor.