Random number generator

1long randomnum;  //creates the variable randomnum 
2int floatingpin  = 0;  //creates the variable floatingpin
3const int emptypin = A1;  //put an unused  analog pin in here
4void setup() {
5  Serial.begin(9600);  //initialises the  serial port
6  randomSeed(23); //put any number in here
7  pinMode(emptypin,  INPUT);  //sets emptypin as an input
8}
9void loop() {
10  floatingpin = analogRead(emptypin);  //sets floating pin to the value of the empty pin
11  randomnum = random(2,176);  //put a low number and a high number in here, they are the variables that set  the parameters of the randomness.
12  Serial.println(randomnum);  //prints out  the number
13  randomSeed(randomnum/(randomnum*(randomnum*floatingpin)));  //sets  the seed to a comletely random number
14  delay(randomnum);  //waits for how long  the random number is
15  
16}
17