ARDUINO UNO or TRINKET PRO 5V 6 Chasing LEDS with POT and PB

1
2    byte ledPin[] = {8, 9, 10, 11, 12, 13};    // Create array for   LED pins
3    int ledDelay; // delay between changes
4    int direction = 1;
5     int currentLED = 0;
6    unsigned long changeTime;
7    int potPin = 2;     // select the input pin for the potentiometer
8    int buttonPin = 4;   
9     int buttonState = 0;    
10
11
12void setup() {
13    pinMode(buttonPin,   INPUT);  
14      
15    for (int x=0; x<6; x++) {   // set all pins to output
16     		pinMode(ledPin[x], OUTPUT); }
17      	changeTime = millis();     
18    }
19
20void loop() 
21   {
22     buttonState = digitalRead(buttonPin);
23      ledDelay = analogRead(potPin); // read the value from the pot 
24     if ((millis()   - changeTime) > ledDelay) {      // if it has been ledDelay ms since last change
25   		changeLED();
26   		changeTime = millis();
27  	}
28    }
29
30void   changeLED() {
31    for (int x=0; x<6; x++ ) {   // turn off all LED's
32    		digitalWrite(ledPin[x],   LOW);
33  	}
34 
35    if (buttonState == HIGH) {
36    digitalWrite(ledPin[currentLED],   HIGH);} // turn on the current LED    
37    else digitalWrite (ledPin[currentLED],   LOW);
38    	
39   currentLED += direction; // increment by the direction value
40
41    if (currentLED == 6){currentLED = 0;
42   }
43   }
44   
45

1
2    byte ledPin[] = {8, 9, 10, 11, 12, 13};    // Create array for  LED pins
3    int ledDelay; // delay between changes
4    int direction = 1;
5    int currentLED = 0;
6    unsigned long changeTime;
7    int potPin = 2;    // select the input pin for the potentiometer
8    int buttonPin = 4;   
9    int buttonState = 0;    
10
11
12void setup() {
13    pinMode(buttonPin,  INPUT);  
14      
15    for (int x=0; x<6; x++) {   // set all pins to output
16    		pinMode(ledPin[x], OUTPUT); }
17      	changeTime = millis();     
18   }
19
20void loop() 
21   {
22     buttonState = digitalRead(buttonPin);
23     ledDelay = analogRead(potPin); // read the value from the pot 
24     if ((millis()  - changeTime) > ledDelay) {      // if it has been ledDelay ms since last change
25  		changeLED();
26   		changeTime = millis();
27  	}
28    }
29
30void  changeLED() {
31    for (int x=0; x<6; x++ ) {   // turn off all LED's
32    		digitalWrite(ledPin[x],  LOW);
33  	}
34 
35    if (buttonState == HIGH) {
36    digitalWrite(ledPin[currentLED],  HIGH);} // turn on the current LED    
37    else digitalWrite (ledPin[currentLED],  LOW);
38    	
39   currentLED += direction; // increment by the direction value
40
41   if (currentLED == 6){currentLED = 0;
42   }
43   }
44   
45