int pump = 4; // digital pin[ can change accordingly]
int fan = 7; // digital pin[ can change accordingly]
int sw = 2 ; // digital pin [ can change accordingly]

unsigned long pumpuptime = //put time here[mili sec]
unsigned long fanuptime = //put time here [mili sec]
unsigned long restime = //put time here [mili sec]
void setup() {pinMode(pump, OUTPUT);
pinMode(fan,OUTPUT);

pinMode(sw, INPUT_PULLUP);

digitalWrite(fan, HIGH);
digitalWrite(pump, HIGH);
}
void loop() {digitalWrite(pump, LOW);
delay(pumpuptime);//put time here [mili sec]
digitalWrite(pump,HIGH);

digitalWrite(fan,LOW);
delay(fanuptime); //put time here [mili sec]
digitalWrite(fan,HIGH);

delay(restime); //put time here [mili sec]
}