Next link the digital output (DO) of the module to digital pin 2 (D2) and analog output (AO) to analog input 0 (A0) of the arduino. The whole hardware should be powered by a 9V DC / USB source through ...

How It Works. Servos are small motors that can precisely angle their arms to positions between 0 and 180 degrees. In this project we’ll place the servos into a tilt-and-pan mount.