GSM Based 3 Phase Motor Control

Just Do Electronics March 03, 2021

Circuit Diagram :-

Code :-

 
//Prateek
//www.prateeks.in

#define Start 8
#define Stop 7
#define Run 6

#define Red 2
#define Yellow 3
#define Green 4

int temp=0,i=0;
int led=13;
char str[15];
void setup()
{
Serial.begin(9600);
pinMode(led, OUTPUT);
pinMode(Start, OUTPUT);
pinMode(Stop, OUTPUT);
pinMode(Run, OUTPUT);

pinMode(Red, OUTPUT);
pinMode(Yellow, OUTPUT);
pinMode(Green, OUTPUT);

digitalWrite(Start,HIGH);
digitalWrite(Stop,HIGH);
digitalWrite(Run,HIGH);
Serial.println("AT+CNMI=2,2,0,0,0");
delay(400);
Serial.println("AT+CMGF=1");
delay(400);
}
void loop()
{
if(temp==1)
{
check();
temp=0;
i=0;
delay(1000);
}
}
void serialEvent() 
{
while(Serial.available()) 
{
if(Serial.find("#A."))
{
digitalWrite(led, HIGH);
delay(1000);
digitalWrite(led, LOW);
while (Serial.available()) 
{
char inChar=Serial.read();
str[i++]=inChar;
if(inChar=='*')
{
temp=1;
return;
} 
} 
}
}
}
void check()
{
if(!(strncmp(str,"start",5)))
{
digitalWrite(Start, LOW);
digitalWrite(Green, HIGH);
delay(3000);
digitalWrite(Green, LOW);
digitalWrite(Start, HIGH);
} 

else if(!(strncmp(str,"run",3)))
{
digitalWrite(Run, LOW);
digitalWrite(Red, HIGH);
delay(3000);
digitalWrite(Red, LOW);
digitalWrite(Run, HIGH);
}

else if(!(strncmp(str,"stop",4)))
{
digitalWrite(Stop, LOW);
digitalWrite(Yellow,HIGH);
delay(3000);
digitalWrite(Yellow, LOW);
digitalWrite(Stop, HIGH);
}
}

Video :-

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