int LED_PINS[] = {9,8,7,6,5,4,3,2};       int INPUT_PIN = 10;   int DEFAULT_LED =13;   int CUSTOM_CHAR_LENGTH = 5;   int LED_COUNT = 8;   int k;   const unsigned char CUSTOM_CHAR[95][5] = {          {0x00,0x00,0x00,0x00,0x00},   // 0x20 32          {0x00,0x00,0x6f,0x00,0x00},   // ! 0x21 33          {0x00,0x07,0x00,0x07,0x00},   // " 0x22 34          {0x14,0x7f,0x14,0x7f,0x14},   // # 0x23 35          {0x00,0x07,0x04,0x1e,0x00},   // $ 0x24 36          {0x23,0x13,0x08,0x64,0x62},   // % 0x25 37          {0x36,0x49,0x56,0x20,0x50},   // & 0x26 38   ...

Bluetooth Controlled Car Code T4TECHZ // Starting of Program int m1a = 9; int m1b = 10; int m2a = 11; int m2b = 12; char val; void setup()  {   pinMode(m1a, OUTPUT);  // Digital pin 10 set as output Pin pinMode(m1b, OUTPUT);  // Digital pin 11 set as output Pin pinMode(m2a, OUTPUT);  // Digital pin 12 set as output Pin pinMode(m2b, OUTPUT);  // Digital pin 13 set as output Pin Serial.begin(9600); } void loop() {   while (Serial.available() > 0)   {   val = Serial.read();   Serial.println(val);   }   if( val == 'F') // Forward     {       digitalWrite(m1a, HIGH);       digitalWrite(m1b, LOW);       digitalWrite(m2a, HIGH);       digitalWrite(m2b, LOW);       }   else if(val == 'B') // Backward    ...

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