sriharshamallavarapu
Published © CERN-OHL

OTTO robot

A robot which moves in all directions using servos and a 3d printed body

IntermediateProtip3,501
OTTO robot

Things used in this project

Hardware components

Arduino Nano R3
Arduino Nano R3
×1
SG90 Micro-servo motor
SG90 Micro-servo motor
×4
Ultrasonic Sensor - HC-SR04 (Generic)
Ultrasonic Sensor - HC-SR04 (Generic)
×1

Software apps and online services

Arduino IDE
Arduino IDE

Hand tools and fabrication machines

Multitool, Screwdriver
Multitool, Screwdriver

Story

Read more

Schematics

circuit diagram

used to conect circuit properly

Code

OTTO all moves

C/C++
code for robot
//----------------------------------------------------------------
//-- Otto All moves setup
//-- You can add functions, gestures or sounds in loop
//-- CC BY SA (http://ottodiy.com)
//-- 25 October 2018
//-----------------------------------------------------------------
#include <Servo.h> 
#include <Oscillator.h>
#include <US.h>
#include <Otto.h>
Otto Otto;  //This is Otto!
//---------------------------------------------------------
//-- First step: Make sure the pins for servos are in the right position
/*
         --------------- 
        |     O   O     |
        |---------------|
YR 3==> |               | <== YL 2
         --------------- 
            ||     ||
RR 5==>   -----   ------  <== RL 4
         |-----   ------|
*/
  #define PIN_YL 2 //servo[2]
  #define PIN_YR 3 //servo[3]
  #define PIN_RL 4 //servo[4]
  #define PIN_RR 5 //servo[5]
/*SOUNDS******************
 * S_connection  S_disconnection  S_buttonPushed S_mode1 S_mode2 S_mode3 S_surprise S_OhOoh  S_OhOoh2  S_cuddly 
 * S_sleeping  S_happy S_superHappy S_happy_short S_sad S_confused S_fart1 S_fart2  S_fart3 
 */
/*MOVEMENTS LIST**************
 * dir=1---> FORWARD/LEFT
 * dir=-1---> BACKWARD/RIGTH
 * T : amount of movement. HIGHER VALUE SLOWER MOVEMENT usually 1000 (from 600 to 1400)
 * h: height of mov. around 20
     jump(steps=1, int T = 2000);
     walk(steps, T, dir);
     turn(steps, T, dir);
     bend (steps, T, dir); //usually steps =1, T=2000
     shakeLeg (steps, T, dir);
     updown(steps, T, HEIGHT);
     swing(steps, T, HEIGHT);
     tiptoeSwing(steps, T, HEIGHT);
     jitter(steps, T, HEIGHT); (small T)
     ascendingTurn(steps, T, HEIGHT);
     moonwalker(steps, T, HEIGHT,dir);
     crusaito(steps, T, HEIGHT,dir);
     flapping(steps, T, HEIGHT,dir);
/*GESTURES LIST***************
OttoHappy OttoSuperHappy  OttoSad   OttoSleeping  OttoFart  OttoConfused OttoLove  OttoAngry   
OttoFretful OttoMagic  OttoWave  OttoVictory  OttoFail*/
///////////////////////////////////////////////////////////////////
//-- Global Variables -------------------------------------------//
///////////////////////////////////////////////////////////////////
bool obstacleDetected = false;
int distance = 0;
///////////////////////////////////////////////////////////////////
//-- Setup ------------------------------------------------------//
///////////////////////////////////////////////////////////////////
void setup(){
  //Set the servo pins
  Otto.init(PIN_YL,PIN_YR,PIN_RL,PIN_RR,true);
  Otto.sing(S_connection); //Otto wake up!
  Otto.home();
  delay(50);
}
///////////////////////////////////////////////////////////////////
//-- Principal Loop ---------------------------------------------//
//--Uncomment lines or add you own-------------------------------//
///////////////////////////////////////////////////////////////////
void loop() {
          //OBSTACLE MODE ON!!!! 
          obstacleMode();
          Otto.sing(S_surprise);
          Otto.walk(2,1000,1); //2 steps FORWARD
          Otto.sing(S_OhOoh);
          Otto.walk(2,1000,-1); //2 steps BACKSWARD
          Otto.sing(S_OhOoh2);
          Otto.playGesture(OttoFretful);
          Otto.sing(S_cuddly);
          Otto.home();
          Otto.playGesture(OttoSleeping);
          Otto.sing(S_sleeping);
          delay(1000);
          Otto.sing(S_happy);
          Otto.playGesture(OttoHappy);
          Otto.turn(2,1000,1);//2 steps turning RIGHT  
          Otto.sing(S_happy_short);              
          delay(50);
          Otto.playGesture(OttoSuperHappy);
          Otto.sing(S_superHappy);
          Otto.turn(2,1000,-1);//2 steps turning RIGHT 
          Otto.playGesture(OttoSad);
          Otto.sing(S_sad);               
          delay(50);
          Otto.moonwalker(3, 1000, 25, 1);
          Otto.playGesture(OttoConfused);
          Otto.sing(S_confused);
          Otto.home();
          Otto.bend (1, 2000, 1);
          Otto.playGesture(OttoFart);
          Otto.sing(S_fart1);
          Otto.sing(S_fart2);
          Otto.sing(S_fart3);
          Otto.home();
          Otto.ascendingTurn(1, 2000, 22);
          Otto.playGesture(OttoVictory);
          Otto.home();
          Otto.updown(1, 2000, 22);
          Otto.playGesture(OttoMagic);
          Otto.home();
          Otto.playGesture(OttoFail);
          Otto.sing(S_disconnection);
}
///////////////////////////////////////////////////////////////////
//-- Function to avoid obstacles
void obstacleMode(){
      distance = Otto.getDistance();
      if(distance<15){
          Otto.sing(S_surprise); 
               Otto.walk(2,1300,-1); 
               Otto.turn(3,1000,-1);                
             delay(50); 
        }
        else{
          Otto.walk(2,1000,1); 
        }
}

Credits

sriharshamallavarapu

sriharshamallavarapu

3 projects • 1 follower

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