The Romeo V1.0 uses an automatic switcher for the power source selection. When the external

power source has been applied, the servo will be automatically powered by the external power

instead of USB power.

Motor Control Pin Jumper

Applying the Motor Control Pin Jumpers will allocate Pin 5,6,7,8 for motor control.

Removing the jumpers will release the above Pins, and the motor controller will be disabled.

Tutorial

Button Press

RoMeo has 5 build in buttons S1-S5 (Figure 2). S1-S5 use analog input 7,

"Button Pin Map"

Pin

Function

Analog Pin 7

Button S1-S5

Fig2: Romeo Buttons

Example use of Button 1‐5

char msgs[5][15] = {

"Right Key OK ",

"Up Key OK

",

"Down Key OK

",

"Left Key OK

",

"Select Key OK" };