If the analog in pin is not linked to any circuit, it is floating, which means it can read any value. What is the purpose of reading the value from a pin that is connected to nothing?
Isn't that an okay way to seed your random number generator? 
If the analog in pin is not linked to any circuit, it is floating, which means it can read any value. What is the purpose of reading the value from a pin that is connected to nothing?
Isn't that an okay way to seed your random number generator?