The rough code program for the single servo and the infrared proximity sensor.
#include <Servo.h> Servo myServo; //Servo RearServo; const unsigned int BAUD_RATE = 9600; int delayTime = 5000; int sensorPin = 0; //analog pin 0 int pos = 0; void setup() { myServo.attach(9); //RearServo.attach(3); Serial.begin(BAUD_RATE); } void loop() { int val = analogRead(sensorPin); Serial.println(val); delay(delayTime); //If set too low (fast) the Arduino freezes for(pos = 0; pos < 162; pos += 1) // goes from 0 degrees to "180" degrees { // in steps of 1 degree myServo.write(pos); delay(15); // waits 15ms for the servo to reach the position } for(pos = 162; pos>=1; pos-=1) // goes from "180" degrees to 0 degrees // Set to 162 degrees because of a funny issue with the servo { myServo.write(pos); delay(15); // waits 15ms for the servo to reach the position } if (Serial.available() > 0) { int command = Serial.read(); if (command == 'r') { // "Try" to reset the servo position if it gets out of whack myServo.write(0); delay(10); Serial.println("Reset"); } else if (command == '1') { myServo.write(81); Serial.println("Turn 90 degrees"); } else if (command == '2') { myServo.write(152); Serial.println("Turn 155 degrees"); } else if (command == '3') { Serial.println(val); } } }