Mini Robot, Arduino Nano IR Sensor two servos. (360°mod) MiniZ tires 
Chassis made from a Ice scraper 
// Control of Mibo Mini Bot - Last update: AndreasVan 2015-03-19 Version 2.01
// Motor 2xServo MSR 1.3
// Micro controller = Arduino Nano
// Avoiding obstacles with IR sensor Sharp GP2Y0D810Z0F
// this code is public domain, enjoy!
#include <Servo.h> // Include servo library
Servo servoLeft; // Declare left servo
Servo servoRight; // Declare right servo
int IR_pin = 0; // Analog pin for reading the IR sensor
float IR_read; // Floating point number to hold converted voltage as distance
void setup() {
Serial.begin(9600); // Start the serial port
pinMode(12, OUTPUT); // Blinking led
servoLeft.attach(5); // Servo left to D5
servoRight.attach(6); // Servo right to D6
}
void loop() {
digitalWrite(12, HIGH);
GetDistance();
// Serial.println(distance); // print the distance
if (IR_read > 399) // No obstacle
{
forward();
}
if (IR_read < 400) // Obstacle
{
turn();
}
}
void GetDistance(){
IR_read = analogRead(IR_pin); // Reads the value of the sharp sensor
Serial.println(IR_read); // Prints the value of the sensor to the serial monitor
delay(50); // Delay to get stable readings
}
void turn(){ // Turn right subroutine
servoLeft.write(1995);
servoRight.write(1995);
Serial.println("TURN");
}
void forward(){ // Forward subroutine
servoLeft.write(1995);
servoRight.write(1005);
Serial.println("FORWARD");
}