Slip Ring Assembly

Parallax ping))) Ultrasonic Sensor
Desoldering Braid
Pololu Pulleys
Copper Clamps
Jumper Wires
12V Unipolar Stepper Motor

Arduino + Tiny Vibrate Motor + Pushbutton

Arduino Code

int buttonPin = 3;
int buttonState = 0;

void setup(){
  pinMode(buttonPin, INPUT);
  Serial.begin(9600);
}

void loop(){
  buttonState = digitalRead(buttonPin);
  switch(buttonState){
    case HIGH:
      Serial.println("off");
      break;
    case LOW:
      Serial.println("on");
      analogWrite(9, 123);
      delay(100);
      analogWrite(9,0);
      break;
  }
  delay(100);
}

Arduino + Pushbutton

Arduino Code

int buttonPin = 3;
int buttonState = 0;

void setup(){

pinMode(buttonPin, INPUT);
Serial.begin(9600);

}

void loop(){

buttonState = digitalRead(buttonPin);
switch(buttonState){

case HIGH:
Serial.println("off");
break;
case LOW:
Serial.println("on");
break;

}
delay(100);

}

Arduino + Unipolar Stepper Motor + ULN2004A + Bipolar Stepper Motor + L293DNE + 2 Potentiometers

Arduino Code

#include <Stepper.h>
#define biSTEPS 200
#define uniSTEPS 400
int last_verti, curr_verti, last_horiz, curr_horiz;

Stepper bi_stepper(biSTEPS, 7, 6, 5, 4);
Stepper uni_stepper(uniSTEPS, 8, 9, 10, 11);

void setup(){

Serial.begin(9600);
bi_stepper.setSpeed(15);
uni_stepper.setSpeed(15);

}

void loop(){

sweepVertical();
sweepHorizontal();

}

void sweepVertical(){

bi_stepper.step(10);
bi_stepper.step(-10);
delay(100);

}

void sweepHorizontal(){

uni_stepper.step(20);
uni_stepper.step(-20);
delay(100);

}

void controlVertical(){

curr_verti = analogRead(0);
if(abs(curr_verti - last_verti) > 20) blinkLed();
else bi_stepper.step(curr_verti-last_verti);
last_verti = curr_verti;
delay(100);

}

void controlHorizontal(){

curr_horiz = analogRead(1);
if(abs(curr_horiz - last_horiz) > 20) blinkLed();
else uni_stepper.step(curr_horiz-last_horiz);
last_horiz = curr_horiz;
delay(100);

}

void blinkLed(){

digitalWrite(13, HIGH);
delay(100);
digitalWrite(13, LOW);

}

Arduino + Unipolar Stepper Motor

Arduino Code (Back & Forth)

#include <Stepper.h>
#define STEPS 400 //360° divided by step angle

Stepper stepper(STEPS, 8, 9);

void setup(){
stepper.setSpeed(30); //RPMs
}

void loop(){

stepper.step(100);
delay(100);
stepper.step(-100);
delay(100);

}

Arduino Code (Back & Forth)

#include <Stepper.h>
#define STEPS 400 //360° divided by step angle
Stepper stepper(STEPS, 8, 9, 10, 11);

void setup(){
stepper.setSpeed(30); //RPMs
}

void loop(){

stepper.step(100);
delay(100);
stepper.step(-100);
delay(100);

}

Arduino + Bipolar Stepper Motor

Arduino Code (Back & Forth)

#include <Stepper.h>
#define STEPS 200 //360° divided by step angle
Stepper stepper(STEPS, 9, 10, 11, 12);

void setup(){

stepper.setSpeed(30); //RPMs

}

void loop(){

stepper.step(100);
delay(100);
stepper.step(-100);
delay(100);

}