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unsigned char STOP01[] =
{0x2E,0x2A,0x3A,0x00,0x02,0x3E,0x02,0x00,0x3E,0x22,0x3E,0x00,0x
3E,0x0A,0x0E,0x00};
unsigned char clear[] =
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
00,0x00,0x00,0x00};
#define SCL_Pin A5 //Set clock pin to A5
#define SDA_Pin A4 //Set data pin to A4
#define ML_Ctrl 13 //define direction control pin of left motor
#define ML_PWM 11
//define PWM control pin of left motor
#define MR_Ctrl 12 //define direction control pin of right motor
#define MR_PWM 3
//define PWM control pin of right motor
#define Trig 5 //ultrasonic trig Pin
#define Echo 4 //ultrasonic echo Pin
int distance; //save the distance value detected by ultrasonic, follow
function
int random2; //save the variable of random numberssave the
variable of random numbers
//save the distance value detected by ultrasonic, obstacle
avoidance function
int a;
230
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