Keyestudio 4WD Bluetooth Multi-functional Car Manual page 117

digitalWrite(outputPin, LOW);
int Rdistance = pulseIn(inputPin, HIGH);
Rdistance= Rdistance/58; // Transform pulse time to distance
if(Mode==3){
lcd.setCursor(11, 1);
lcd.print("R= ");
lcd.setCursor(13, 1);
lcd.print(Rdistance,DEC);
Serial.print("\n R = ");
Serial.print(Rdistance,DEC);
return Rdistance;
}
else return Rdistance;
}
void setup()
{
pinMode(servopin,OUTPUT); //setting motor interface as output
LCD1602_init();
M_Control_IO_config();
Set_Speed(Lpwm_val,Rpwm_val); //setting initialized speed
Set_servopulse(DuoJiao);
pinMode(inputPin, INPUT);
pinMode(outputPin, OUTPUT);
Serial.begin(9600);
lcd.setCursor(0, 0);
keyestudio
//initializing 1602
//motor controlling the initialization of IO
//setting initialized motor angle
//starting receiving IR remote control signal
//IO of ultrasonic module
//initialized serial port , using Bluetooth as serial port, setting baud
//setting cursor at 0.0
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