Created
September 17, 2015 08:13
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Chinese 60A motor controller tester
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#define enablePin 2 | |
#define IN1_L 3 | |
#define IN3_R 6 | |
#define IN2_L 5 | |
#define IN4_R 9 | |
int engineSpeed; | |
const int BRAKE=0; | |
const int FORWARDS=1; | |
const int BACKWARDS=2; | |
const int RIGHT=3; | |
const int LEFT=4; | |
void setup() { | |
// put your setup code here, to run once: | |
Serial.begin(9600); | |
pinMode(enablePin,OUTPUT); | |
pinMode(IN1_L,OUTPUT); | |
pinMode(IN2_L,OUTPUT); | |
pinMode(IN3_R,OUTPUT); | |
pinMode(IN4_R,OUTPUT); | |
digitalWrite(enablePin, HIGH); | |
engineSpeed=140; | |
} | |
void go(int dir){ | |
if(dir==BRAKE){ | |
digitalWrite(IN1_L,LOW); | |
digitalWrite(IN2_L,LOW); | |
digitalWrite(IN3_R,LOW); | |
digitalWrite(IN4_R,LOW); | |
}else if(dir==FORWARDS){ | |
digitalWrite(IN2_L, LOW); | |
digitalWrite(IN4_R, LOW); | |
analogWrite(IN1_L, engineSpeed); | |
analogWrite(IN3_R, engineSpeed); | |
} else if(dir == BACKWARDS){ | |
digitalWrite(IN1_L, LOW); | |
digitalWrite(IN3_R, LOW); | |
analogWrite(IN2_L, engineSpeed); | |
analogWrite(IN4_R, engineSpeed); | |
}else if(dir==LEFT){ | |
analogWrite(IN1_L, LOW); | |
analogWrite(IN2_L, engineSpeed); | |
analogWrite(IN3_R, engineSpeed); | |
analogWrite(IN4_R, LOW); | |
} else if(dir == RIGHT){ | |
analogWrite(IN1_L, engineSpeed); | |
analogWrite(IN2_L, LOW); | |
analogWrite(IN3_R, LOW); | |
analogWrite(IN4_R, engineSpeed); | |
} | |
} | |
void loop() { | |
if(Serial.available()){ | |
byte b = Serial.read(); | |
if(b==49){ | |
Serial.println("Fast"); | |
if(engineSpeed+20<=250){ | |
engineSpeed+=20; | |
} | |
} | |
else if(b==50){ | |
Serial.println("Slow"); | |
if(engineSpeed-20>0){ | |
engineSpeed-=20; | |
} | |
}else if(b==97){ | |
Serial.println("Left"); | |
go(LEFT); | |
}else if(b==100){ | |
Serial.println("Right"); | |
go(RIGHT); | |
}else if(b==119){ | |
Serial.println("Forward"); | |
go(FORWARDS); | |
}else if(b==115){ | |
Serial.println("Backward"); | |
go(BACKWARDS); | |
} | |
else if(b==112){ | |
Serial.println("Stop"); | |
go(BRAKE); | |
} | |
else { | |
Serial.println(b); | |
} | |
} | |
} |
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