How to do this,please refer to light led and how to connect cubieboard and arduino
int DI = 12; int RW = 11; int DB[] = {3, 4, 5, 6, 7, 8, 9, 10}; int Enable = 2; void LcdCommandWrite(int value) { int i = 0; for (i=DB[0]; i <= DI; i++){ digitalWrite(i,value & 01); value >>= 1; } digitalWrite(Enable,LOW); delayMicroseconds(1); digitalWrite(Enable,HIGH); delayMicroseconds(1); digitalWrite(Enable,LOW); delayMicroseconds(1); } void LcdDataWrite(int value) { int i = 0; digitalWrite(DI, HIGH); digitalWrite(RW, LOW); for (i=DB[0]; i <= DB[7]; i++) { digitalWrite(i,value & 01); value >>= 1; } digitalWrite(Enable,LOW); delayMicroseconds(1); digitalWrite(Enable,HIGH); delayMicroseconds(1); digitalWrite(Enable,LOW); delayMicroseconds(1); } void setup (void) { int i = 0; for (i=Enable; i <= DI; i++) { pinMode(i,OUTPUT); } delay(100); LcdCommandWrite(0x38); delay(64); LcdCommandWrite(0x38); delay(50); LcdCommandWrite(0x38); delay(20); LcdCommandWrite(0x06); delay(20); LcdCommandWrite(0x0E); delay(20); LcdCommandWrite(0x01); delay(100); LcdCommandWrite(0x80); delay(20); } void loop (void) { LcdCommandWrite(0x01); delay(10); LcdCommandWrite(0x80+3); delay(10); LcdDataWrite('W'); LcdDataWrite('e'); LcdDataWrite('l'); LcdDataWrite('c'); LcdDataWrite('o'); LcdDataWrite('m'); LcdDataWrite('e'); LcdDataWrite(' '); LcdDataWrite('t'); LcdDataWrite('o'); delay(10); LcdCommandWrite(0xc0+1); delay(10); LcdDataWrite('g'); LcdDataWrite('e'); LcdDataWrite('e'); LcdDataWrite('k'); LcdDataWrite('-'); LcdDataWrite('w'); LcdDataWrite('o'); LcdDataWrite('r'); LcdDataWrite('k'); LcdDataWrite('s'); LcdDataWrite('h'); LcdDataWrite('o'); LcdDataWrite('p'); delay(5000); LcdCommandWrite(0x01); delay(10); LcdDataWrite('I'); LcdDataWrite(' '); LcdDataWrite('a'); LcdDataWrite('m'); LcdDataWrite(' '); LcdDataWrite('h'); LcdDataWrite('o'); LcdDataWrite('n'); LcdDataWrite('g'); LcdDataWrite('y'); LcdDataWrite('i'); delay(3000); LcdCommandWrite(0x02); delay(10); LcdCommandWrite(0x80+5); delay(10); LcdDataWrite('t'); LcdDataWrite('h'); LcdDataWrite('e'); LcdDataWrite(' '); LcdDataWrite('a'); LcdDataWrite('d'); LcdDataWrite('m'); LcdDataWrite('i'); LcdDataWrite('n'); delay(5000); }