#define LED1 2
#define LED2 3
#define LED3 4
#define LED4 5
#define LED5 6
#define LED6 7
#define LED7 8
#define LED8 9
int INTERVAL = 500;
int i=1;
unsigned long previousMillis = 0;
unsigned long currentMillis = 0;
bool stav = 0;
void setup() {
for (int i=1;i<10;i++)
{pinMode(i, OUTPUT);}
Serial.begin(9600);}
void loop() {
int POT = analogRead(A0);
INTERVAL = map(POT,0,1023,100,500);
currentMillis = millis();
if (currentMillis - previousMillis >= INTERVAL) {
previousMillis = currentMillis;
stav=!stav;
digitalWrite(i,LOW);
i=(i>=10?2:i+1);
digitalWrite(i,HIGH);
}}