// pump
#define pump D2 // Relay S


//needs some work, needs special logic board to function properly
void setup()
{
    Serial.begin(9600);
    pinMode(pump, OUTPUT);
    digitalWrite(pump, LOW);
    delay(2000);
}


void loop() {
    digitalWrite(pump, LOW);    
    delay(2000);
    digitalWrite(pump, HIGH);
    delay(2000);
    
}