Keyestudio 4WD Bluetooth Multi-functional Car Manual page 86

#include <Servo.h>
int pinLB = 2; // defining pin 12
int pinLF = 4; // defining pin 3
int pinRB = 7; // defining pin 13
int pinRF = 8; // defining pin 11
int Lpwm_pin = 5; //adjusting speed
int Rpwm_pin = 10; //adjusting speed //
unsigned char Lpwm_val = 200;
unsigned char Rpwm_val = 200;
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int inputPin = A0; // defining receiving pin of ultrasonic signal
int outputPin =A1; // defining emitting pin of ultrasonic signal
int Fspeedd = 0; // forward speed
int Rspeedd = 0; // right speed
int Lspeedd = 0; // left speed
int directionn = 0; // front=8 back=2 left=4 right=6
Servo myservo; // setting myservo
int delay_time = 250; // time for servo motor turning backward
int Fgo = 8; // going forward
int Rgo = 6; // turning right
int Lgo = 4; // turning left
int Bgo = 2; // turning backward
void setup()
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