Moving object

SG90 Micro-servo motor

Jumper wires (generic)

Arduino UNO

Arduino IDE

Tape, Foam

9V battery (generic)

Breadboard (generic)

5 mm LED: Green

5 mm LED: Red

cardboard

USB-A to Mini-USB Cable

Rotary potentiometer (generic)

Scissor, Electrician

<pre ><code >#include <Servo.h> #define led 11 #define led 12 //accesses the Arduino Servo Library Servo myservo; // creates servo object to control a servo int val; // variable to read the value from the analog pin void setup() { myservo.attach(8); pinMode(11,OUTPUT); pinMode(12,OUTPUT); digitalWrite(11,HIGH); delay(500); digitalWrite(12,HIGH); delay(500);// ensures output to servo on pin 8 } void loop() { val = analogRead(1); // reads the value of the potentiometer from A1 (value between 0 and 1023) val = map(val, 0, 1023, 0, 180); // converts reading from potentiometer to an output value in degrees of rotation that the servo can understand myservo.write(val); // sets the servo position according to the input from the potentiometer delay(15); // waits 15ms for the servo to get to set position } </code></pre>

diagram

Moving object

Locomotive project