Keyestudio 4WD Bluetooth Multi-functional Car Manual page 97

#include <IRremote.h>
int RECV_PIN = 12;
IRrecv irrecv(RECV_PIN);
decode_results results;
#define IR_Go 0x00ff629d
#define IR_Back 0x00ffa857
#define IR_Left 0x00ff22dd
#define IR_Right 0x00ffc23d
#define IR_Stop 0x00ff02fd
#define IR_ESC 0x00ff52ad
LiquidCrystal_I2C lcd(0x27,16,2); //defining liquid crystal
#define Lpwm_pin 5 //adjusting speed
#define Rpwm_pin 10 //adjusting speed //
int pinLB=2; // defining pin2 left rear
int pinLF=4; // defining pin4 left front
int pinRB=7; // defining pin7 right rear
int pinRF=8; // defining pin8 right front
unsigned char Lpwm_val = 200;
unsigned char Rpwm_val = 200;
int Car_state=0;
void M_Control_IO_config(void)
{
pinMode(pinLB,OUTPUT); // pin2
pinMode(pinLF,OUTPUT); // pin4
pinMode(pinRB,OUTPUT); // pin7
pinMode(pinRF,OUTPUT); // pin8
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