더듬이 로봇 (feelers robot)

더듬이 로봇 동영상

Development period

2주

Using device

얀센, 리밋 스위치, 더듬이(3d 프린팅)

Schematic diagram

About the project

오른쪽 더듬이 터치: 2초 후진 -> 2초 왼쪽 제자리 회전
왼쪽 더듬이 터치 : 2초 후진 -> 2초 오른쪽 제자리 회전

Algorithm

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#define Limit_L 2  // Pin 2 connected to Limit switch out
#define Limit_R 3 // Pin 3 connected to Limit switch out
#define button 4

#define straight=255;
#define rotateH=255;
#define rotateL=180;

int buttonState = 0;
int Lim_L = 0;
int Lim_R = 0;
//모드
char mode ='G';

void setup() {
pinMode(button, INPUT_PULLUP);
pinMode(Limit_L,INPUT);
pinMode(Limit_R,INPUT);
pinMode(4, OUTPUT); // 방향 HIGH, LOW +,-
pinMode(5, OUTPUT); // PWM
pinMode(6, OUTPUT); // PWM
pinMode(7, OUTPUT); // 방향 HIGH, LOW +,-
Serial.begin(9600);
}

void loop() {
// put your main code here, to run repeatedly
buttonState = digitalRead(button);
Lim_L = digitalRead(Limit_L);// leftstate값 확인필요!, 흰색 = 750, 검은색 = 0
Lim_R = digitalRead(Limit_R);

mode_selector();

Serial.println(mode);

switch(mode){
case 'G': digitalWrite(4,0); //직진
analogWrite(5,255);
analogWrite(6,255);
digitalWrite(7,0);
break;
case 'L': digitalWrite(4,1); // 후진
analogWrite(5,255);
analogWrite(6,255);
digitalWrite(7,1);
delay(2000);
digitalWrite(4,0); // 좌회전
analogWrite(5,0);
analogWrite(6,255);
digitalWrite(7,0);
delay(2000);
break;
case 'R':digitalWrite(4,1); // 후진
analogWrite(5,255);
analogWrite(6,255);
digitalWrite(7,1);
delay(2000);
digitalWrite(4,0); // 우회전
analogWrite(5,255);
analogWrite(6,0);
digitalWrite(7,0);
delay(2000);
break;
case 'B': digitalWrite(4,1); // 후진
analogWrite(5,255);
analogWrite(6,255);
digitalWrite(7,1);
break;
}
delay(10);
}

void mode_selector(){
if(Lim_L == 1 && Lim_R == 1){mode ='G';}
else if(Lim_L == 0 && Lim_R == 1){mode ='R';}
else if(Lim_L == 1 && Lim_R == 0){mode ='L';}
else if(Lim_L == 0 && Lim_R == 0){mode ='B';}
}

delay(2000); 을 통해 하나의 case 안에서 두 가지 모션 수행

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case 'L':  digitalWrite(4,1);  // 후진
analogWrite(5,255);
analogWrite(6,255);
digitalWrite(7,1);
delay(2000);
digitalWrite(4,0); // 좌회전
analogWrite(5,0);
analogWrite(6,255);
digitalWrite(7,0);
delay(2000);
break;

Reference

[1]리밋 스위치
[2]더듬이 로봇

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