NEED a PARTNER FOR MY ROBOT---Responding Head- Arduino (WITHOUT 3D PRINTER)

This is a Arduino, servo and motion sensor based responding head of my Biped bot named AS U WISH.

This is my first step of my first biped... So, I would like to show u all..steps are very simple and the main thing is that, i hadn't use the 3D printer for making its head... it was made up of waste things of my home..

hope u like it... :-)

Step 1: Things We Need

1.A Cube
2.An Arduino Microcontroller (I used Uno)

3.A breadboard
4.A motion sensor
5.some jumper wires
6.A led (Optional)

Step 2: Making the Body

Stick the servo with the cube

And give a heavy base to servo so that it did not move anywhere.

Step 3: Final Step (Wiring and Coding)

The wiring
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. The ground pin (GND) on the PIR sensor should be plugged into the Arduino's ground pin, the 5 volt pin (VCC) should be plugged into the Arduino's digital pin 13, and the data pin (OUT) should be plugged into the Arduino's digital pin 12.

The servo's red wire should be plugged into the Arduino's 5 volt pin, the brown wire should be plugged into the Arduino's Ground pin, and the signal wire (it was white on my servo) should be plugged into the Arduino's digital pin 4.

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WARNING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Please upload the code first then go for the wiring

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Code: U can simply copy it or u can also download from the instructable. :-)

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/*

Aadi creationz

*/

#include

Servo myservo; //creates a servo object //a maximum of eight servo objects can be created

int pos = 90; //variable to store servo position

//amount of time we give the sensor to calibrate(10-60 secs according to the datasheet)

int calibrationTime = 30;

//the time when the sensor outputs a low impulse long unsigned int lowIn;

//the amount of milliseconds the sensor has to be low //before we assume all motion has stopped long unsigned int pause = 5000;

boolean lockLow = true; boolean takeLowTime;

int pirPin = 12; //digital pin connected to the PIR's output int pirPos = 13; //connects to the PIR's 5V pin

void setup(){ myservo.attach(4); //attaches servo to pin 4 Serial.begin(9600); //begins serial communication pinMode(pirPin, INPUT); pinMode(pirPos, OUTPUT); digitalWrite(pirPos, HIGH);

//give the sensor time to calibrate Serial.println("calibrating sensor "); for(int i = 90; i < calibrationTime; i++){ Serial.print(calibrationTime - i); Serial.print("-"); delay(1000); } Serial.println(); Serial.println("done"); //while making this Instructable, I had some issues with the PIR's output //going HIGH immediately after calibrating //this waits until the PIR's output is low before ending setup while (digitalRead(pirPin) == HIGH) { delay(500); Serial.print("."); } Serial.print("SENSOR ACTIVE"); }

void loop(){

if(digitalRead(pirPin) == HIGH){ //if the PIR output is HIGH, turn servo

/*turns servo from 0 to 180 degrees and back it does this by increasing the variable "pos" by 1 every 5 milliseconds until it hits 180 and setting the servo's position in degrees to "pos" every 5 milliseconds it then does it in reverse to have it go back to learn more about this, google "for loops" to change the amount of degrees the servo turns, change the number 180 to the number of degrees you want it to turn **/ for(pos = 0; pos < 180; pos += 1) //goes from 0 to 180 degrees { //in steps of one degree myservo.write(pos); //tells servo to go to position in variable "pos" delay(5); //waits for the servo to reach the position } for(pos = 180; pos>=1; pos-=1) //goes from 180 to 0 degrees { myservo.write(pos); //to make the servo go faster, decrease the time in delays for delay(5); //to make it go slower, increase the number. } if(lockLow){ //makes sure we wait for a transition to LOW before further output is made lockLow = false; Serial.println("---"); Serial.print("motion detected at "); Serial.print(millis()/1000); Serial.println(" sec"); delay(50); } takeLowTime = true; }

if(digitalRead(pirPin) == LOW){

if(takeLowTime){ lowIn = millis(); //save the time of the transition from HIGH to LOW takeLowTime = false; //make sure this is only done at the start of a LOW phase } //if the sensor is low for more than the given pause, //we can assume the motion has stopped if(!lockLow && millis() - lowIn > pause){ //makes sure this block of code is only executed again after //a new motion sequence has been detected lockLow = true; Serial.print("motion ended at "); //output Serial.print((millis() - pause)/1000); Serial.println(" sec"); delay(50); } } }

Step 4: VIDEOS

Video of the bot

click above for the video