my start here arduino robot

Posted on 30/11/2009 by dimbleswishblade
Modified on: 13/09/2018
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 this is my first robot using arduino , it uses a l239d motor driver and is basicaly my atempt at making a start here robot . Parts list : 1) arduino starter pack X1 http://www.robotgear.com.au/Product.aspx/Details/337 2) solarbotics g8 motors and wheels X2 http://www.robotgear.com.au/Product.aspx/Details/316 3) motor mounts for the g8s http://www.robotgear.com.au/Product.aspx/Details/323 (i didnt use them but they would be beter)X2 4) infrared sensors X2 http://www.robotgear.com.au/Product.aspx/Details/309 5) ...


my start here arduino robot

 this is my first robot using arduino , it uses a l239d motor driver and is basicaly my atempt at making a start here robot .

Parts list :

1) arduino starter pack X1 http://www.robotgear.com.au/Product.aspx/Details/337

2) solarbotics g8 motors and wheels X2 http://www.robotgear.com.au/Product.aspx/Details/316

3) motor mounts for the g8s http://www.robotgear.com.au/Product.aspx/Details/323 (i didnt use them but they would be beter)X2

4) infrared sensors X2 http://www.robotgear.com.au/Product.aspx/Details/309

5) breadboard (about the same size as arduino )

6) micro servos X2

7) l293d motor controller http://www.robotgear.com.au/Product.aspx/Details/345

8) some header pins (cut into 3 and solder wires to each pin)

Things you can add :

http://www.robotgear.com.au/Product.aspx/Details/286

http://www.robotgear.com.au/Product.aspx/Details/347

 instructions:

1) cut thin scrap wood (about 8 millimeters thick) in to 2 squares of 13.5 cm x 13.5 cm

2) in one of the squares cut hole the same size as your servo base , about 1cm from one of the edges .

3) paint desired colour

4) useing a hot glue gun glue the motors in place (as shown in top picture), with some small screws ,screw in the arduino .

the breadboard will have adhesive tape on the back, peel of plastic and stick in place.

5) useing this walk through set up your motor controler https://www.robotshop.com/letsmakerobots/node/2074

6) drill 2 holes in the back corners of the wood to fit your spacers and one above the arduino (do the same for the 2nd piece of wood .

7) put your servo in place , and srew into wood ,

8)  made a pan/tilt system with a bit of scrap metal , (you can do the same if you wish but is not needed )

9) screw in your infrared sensers(as shown below) attach header pins (look on the sensor connect VIN and GND to the bread board power lines  and OUT to a digital pin on your arduino.

 

 

 

 

 

 

 

 

10) program!!!!!!!!!!

 

 
 
 
 The code:
 
const int infra=3; 
const int infra2=4;  
  void setup()
 {    
Serial.begin(9600); 
  pinMode(13,OUTPUT); 
 pinMode(12,OUTPUT);   
 pinMode (11,OUTPUT);  
 pinMode (10,OUTPUT);  
 pinMode (infra,INPUT);   
pinMode (infra2,INPUT); 
} 
 
 void loop()    {    
   if (digitalRead(infra)== HIGH)   
   {         driveforward();   
   }        
      if(digitalRead(infra) == LOW)   
   {       
  stopmot();      
  delay (500);      
  reverse();      
  delay (500);       
 right();        
delay (2000);  
  }         
 
  else if (digitalRead(infra2)== LOW)   
   { stopmot();       
 delay (500);      
  reverse();     
   delay (500);       
 left();        
delay (2000);     
 }   
         }             
 
  void driveforward()
 {   digitalWrite(13,HIGH);   
digitalWrite(10,HIGH);  
 digitalWrite (11,LOW); 
  digitalWrite (12,LOW);
 } 
 void stopmot()
 {    
digitalWrite(13,LOW);  
 digitalWrite(12,LOW);   
digitalWrite(11,LOW);  
 digitalWrite(10,LOW);
 } 
void reverse() 
{ 
  digitalWrite(12,HIGH);  
 digitalWrite(11,HIGH); 
  digitalWrite (13,LOW); 
  digitalWrite (10,LOW);
 } 
 void right()
 {   
digitalWrite (10,HIGH); 
  digitalWrite (13,LOW);  
 digitalWrite (12,LOW);  
 digitalWrite (11,LOW);
 } 
 void left()
 {  
 digitalWrite (13,HIGH); 
  digitalWrite (11,LOW);  
 digitalWrite  (12,LOW); 
  digitalWrite (10,LOW);
} 
be patient with your codeing ,it took me a little while ( and the help of guys on this site) to get the code working  

 

so this is my etempt at a robot that will teach me arduino , hopefully i will add some i2c devices ,an ultrsound sensor ,lcd, real time clock ,epeerom  etc. 

 

update: well, i want to get back to this as soon as posible,but i need a new motor driver so im thinking when i get that i may as well plan a complete rebuild of him, maybe redeisgn him with an arm? what do you guys think?

 

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