int led_pin = 10;
int threshold = 500;
int button_value; 
const int button_pin = 7;


void setup() {
pinMode(led_pin, OUTPUT);
Serial.begin(9600);

}

void loop() {
button_value = analogRead(A1);
threshold =analogRead(A0);

if(button_value <= threshold)
{
  digitalWrite(led_pin, HIGH);
}
else{
  digitalWrite(led_pin, LOW);
}
}