ROS很适合用在Ubuntu或Debian上，无须编译。建置时要在Linux机器上执行Ubuntu，使用业余用伺服机、Arduino和普通的导线。ROS要在Ubuntu机器上启动，讯息则透过USB传送到Arduino。只要安装二进制的ROS套件，就会在主控台程序（像是gnome-terminal或konsole）追加以下指令，这样Arduino系统就能辨识ROS函式库。
接下来要将程序代码上传到Arduino当中，执行低阶的伺服机控制，以便能从Linux机器操作。这时要以限制范围内的百分比（0.0～1.0）指定伺服机的位置。之所以使用百分比而不是写明角度，是因为Arduino的程序代码限制了正确的角度，要避免在指定角度时发生冲突。
就如各位所见，使用ROS之后，一般的循环函数就会变得相当简单。循环函数只会订阅（subscribe）数据，任何Arduino循环都一样。设定时要将ROS初始化，将各个ROS讯息订阅者的订阅叫出来。每个订阅者会占据Arduino的RAM，数量取决于要用程序代码做什么，以6个到12个为限。
#include
#include
#include
#include
#define SERVOPIN 3
Servo servo;
void servo_cb( const std_msgs::Float32& msg )
{
const float min = 45;
const float range = 90;
float v = msg.data;
if( v > 1 ) v = 1;

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