// hobbyprojects.com
// RGB_Propeller_display_02_11_2019

  #define RPM 1000        // Change according to your motor RPM.

  unsigned int i;

  int sensor_pin = 8;
  int input_state;

  const PROGMEM  unsigned char MSG_WELCOME[]={0x80,0x97,0x9B,0x97,0x80,0x1F,0x1F,0x40,0x4A,0x4A,0x4E,0x1F,0x1F,0x20,0x2F,0x2F,0x2F,0x1F,0x1F,0x60,0x6E,0x6E,0x6E,0x1F,0x1F,0xA0,0xAE,0xAE,0xA0,0x1F,0x1F,0xC0,0xDD,0xDB,0xDD,0xC0,0x1F,0x1F,0xE0,0xEA,0xEA,0xEA};
  unsigned int MSG_BYTES = 42;
  
void setup()
{
    DDRD = 0xFF;
    pinMode(sensor_pin, INPUT_PULLUP);
}

void loop()
{ 
    input_state = digitalRead(sensor_pin);
    while (input_state != 0)
  {
    input_state = digitalRead(sensor_pin);    
  }

  for(i = 0; i < MSG_BYTES; i++)
  {
  PORTD = pgm_read_byte(&(MSG_WELCOME)[i]);
  delayMicroseconds(140000/RPM);
  PORTD = 0b00011111,   // blank  
  delayMicroseconds(600000/RPM);  
  }
 
    input_state = digitalRead(sensor_pin);
    while (input_state == 0)
  {
    input_state = digitalRead(sensor_pin);    
  }
}