int LED = D7;
int BLUE = D1;
int RED = D3;
int GREEN = D5;

void setup() {
       pinMode(LED, OUTPUT);
       pinMode(RED, OUTPUT);
       pinMode(BLUE, OUTPUT);
       pinMode(GREEN, OUTPUT);
}

void loop() {
       digitalWrite(LED, HIGH);
       delay(1000);
       digitalWrite(LED, LOW);
       delay(1000);
       digitalWrite(BLUE, 256);
       delay(1000);
       digitalWrite(BLUE, 256);
       delay(1000);
       digitalWrite(GREEN, 256);
       delay(1000);
}