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April 17, 2021 02:52
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C program for Bluetooth remote control car by amal shajan.
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char getstr; | |
int in1=4; | |
int in2=5; | |
int in3=6; | |
int in4=7; | |
void mRight(int pin1,int pin2) | |
{ | |
digitalWrite(pin1,HIGH); | |
digitalWrite(pin2,LOW); | |
} | |
void mLeft(int pin1,int pin2) | |
{ | |
digitalWrite(pin1,LOW); | |
digitalWrite(pin2,HIGH); | |
} | |
void mStop(int pin1,int pin2) | |
{ | |
digitalWrite(pin1,HIGH); | |
digitalWrite(pin2,HIGH); | |
} | |
void setup() | |
{ | |
Serial.begin(9600); | |
pinMode(in1,OUTPUT); | |
pinMode(in2,OUTPUT); | |
pinMode(in3,OUTPUT); | |
pinMode(in4,OUTPUT); | |
digitalWrite(in1,HIGH); | |
digitalWrite(in2,HIGH); | |
digitalWrite(in3,HIGH); | |
digitalWrite(in4,HIGH); | |
} | |
void loop() | |
{ | |
getstr=Serial.read(); | |
if(getstr=='F') | |
{ | |
Serial.println("go forward!"); | |
mStop(in1,in2); | |
mStop(in3,in4); | |
mRight(in1,in2); | |
mRight(in3,in4); | |
} | |
else if(getstr=='B'){ | |
Serial.println("go back!"); | |
mStop(in1,in2); | |
mStop(in3,in4); | |
mLeft(in1,in2); | |
mLeft(in3,in4); | |
} | |
else if(getstr=='L'){ | |
Serial.println("go left!"); | |
mStop(in1,in2); | |
mStop(in3,in4); | |
mRight(in1,in2); | |
} | |
else if(getstr=='R'){ | |
Serial.println("go right!"); | |
mStop(in1,in2); | |
mStop(in3,in4); | |
mRight(in3,in4); | |
} | |
else if(getstr=='S'){ | |
Serial.println("Stop!"); | |
mStop(in1,in2); | |
mStop(in3,in4); | |
} | |
} |
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