Arduino Mega 2560 LESSON:29 直流モータ

Arduino Mega 2560に戻る。

概要

　電源供給モジュールとモーターとL293Dを接続するレッスンです。

　完成図は以下のとおりです。

[[|380px||none|完成図]]

　PCB図は以下のようなものです。

[[|380px||none|PCB図]]

　3Dプレビュー図は以下のようなものです。

[[|380px||none|3Dプレビュー図]]

　コードは以下のようなものです。

//www.elegoo.com
//2017.12.12

/************************
Exercise the motor using
the L293D chip
************************/

#define ENABLE 5
#define DIRA 3
#define DIRB 4

int i;
 
void setup() {
  //---set pin direction
  pinMode(ENABLE,OUTPUT);
  pinMode(DIRA,OUTPUT);
  pinMode(DIRB,OUTPUT);
  Serial.begin(9600);
}

void loop() {
  //---back and forth example
    Serial.println("One way, then reverse");
    digitalWrite(ENABLE,HIGH); // enable on
    for (i=0;i<5;i++) {
    digitalWrite(DIRA,HIGH); //one way
    digitalWrite(DIRB,LOW);
    delay(500);
    digitalWrite(DIRA,LOW);  //reverse
    digitalWrite(DIRB,HIGH);
    delay(500);
  }
  digitalWrite(ENABLE,LOW); // disable
  delay(2000);

  Serial.println("fast Slow example");
  //---fast/slow stop example
  digitalWrite(ENABLE,HIGH); //enable on
  digitalWrite(DIRA,HIGH); //one way
  digitalWrite(DIRB,LOW);
  delay(3000);
  digitalWrite(ENABLE,LOW); //slow stop
  delay(1000);
  digitalWrite(ENABLE,HIGH); //enable on
  digitalWrite(DIRA,LOW); //one way
  digitalWrite(DIRB,HIGH);
  delay(3000);
  digitalWrite(DIRA,LOW); //fast stop
  delay(2000);

  Serial.println("PWM full then slow");
  //---PWM example, full speed then slow
  analogWrite(ENABLE,255); //enable on
  digitalWrite(DIRA,HIGH); //one way
  digitalWrite(DIRB,LOW);
  delay(2000);
  analogWrite(ENABLE,180); //half speed
  delay(2000);
  analogWrite(ENABLE,128); //half speed
  delay(2000);
  analogWrite(ENABLE,50); //half speed
  delay(2000);
  analogWrite(ENABLE,128); //half speed
  delay(2000);
  analogWrite(ENABLE,180); //half speed
  delay(2000);
  analogWrite(ENABLE,255); //half speed
  delay(2000);
  digitalWrite(ENABLE,LOW); //all done
  delay(10000);
}

//www.elegoo.com
//2017.12.12

/************************
Exercise the motor using
the L293D chip
************************/

#define ENABLE 5
#define DIRA 3
#define DIRB 4

int i;

void setup() {
  //---set pin direction
  pinMode(ENABLE, OUTPUT);
  pinMode(DIRA, OUTPUT);
  pinMode(DIRB, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  //---back and forth example
  Serial.println("One way, then reverse");
  digitalWrite(ENABLE, HIGH);  // enable on
  for (i = 0; i < 5; i++) {
    digitalWrite(DIRA, HIGH);  //one way
    digitalWrite(DIRB, LOW);
    delay(500);
    digitalWrite(DIRA, LOW);  //reverse
    digitalWrite(DIRB, HIGH);
    delay(500);
  }
  digitalWrite(ENABLE, LOW);  // disable
  delay(2000);

  Serial.println("fast Slow example");
  //---fast/slow stop example
  digitalWrite(ENABLE, HIGH);  //enable on
  digitalWrite(DIRA, HIGH);    //one way
  digitalWrite(DIRB, LOW);
  delay(3000);
  digitalWrite(ENABLE, LOW);  //slow stop
  delay(1000);


  digitalWrite(ENABLE, HIGH);
  digitalWrite(DIRA, LOW);
  digitalWrite(DIRB, HIGH);
  delay(3000);
  // 電気ブレーキ
  digitalWrite(DIRB, LOW);
  delay(2000);




  Serial.println("PWM full then slow");
  //---PWM example, full speed then slow
  analogWrite(ENABLE, 255);  //enable on
  digitalWrite(DIRA, HIGH);  //one way
  digitalWrite(DIRB, LOW);
  delay(2000);
  analogWrite(ENABLE, 180);  //half speed
  delay(2000);
  analogWrite(ENABLE, 128);  //half speed
  delay(2000);
  analogWrite(ENABLE, 50);  //half speed
  delay(2000);
  analogWrite(ENABLE, 128);  //half speed
  delay(2000);
  analogWrite(ENABLE, 180);  //half speed
  delay(2000);
  analogWrite(ENABLE, 255);  //half speed
  delay(2000);
  digitalWrite(ENABLE, LOW);  //all done
  delay(1000);
}

　

Arduino Mega 2560に戻る。