int i =0;
unsigned long int j =0;
 
const int EnableL = 5;
const int HighL = 7;      // LEFT SIDE MOTOR
const int LowL =6;
 
const int EnableR = 10;
const int HighR = 8;      //RIGHT SIDE MOTOR
const int LowR =9;
 
const int D0 = 0;      //Raspberry pin 21    LSB
const int D1 = 1;      //Raspberry pin 22
const int D2 = 2;      //Raspberry pin 23
const int D3 = 3;      //Raspberry pin 24    MSB
 
int a,b,c,d,data;
 
 
void setup() {
Serial.begin(9600);
pinMode(EnableL, OUTPUT);
pinMode(HighL, OUTPUT);
pinMode(LowL, OUTPUT);
 
 
pinMode(EnableR, OUTPUT);
pinMode(HighR, OUTPUT);
pinMode(LowR, OUTPUT);
 
pinMode(D0, INPUT_PULLUP);
pinMode(D1, INPUT_PULLUP);
pinMode(D2, INPUT_PULLUP);
pinMode(D3, INPUT_PULLUP);
 
 
}
 
void Data()
{
  a = digitalRead(D0);
  b = d…