#include <Servo.h> 

const int lsrPin = 0;
const int potPin = 1;
const int recordPin = 4;
const int btnPin = 5;
const int relayPin = 12;
const int servoPin = 9;
const int ledPin = 13;

int lsrValue = 0;
int potValue = 0;
int servoValue = 0;

const int TPM = 16;
int count = 0;
int beats[TPM] = {
1, 0, 0, 0,
1, 0, 0, 0,
1, 0, 1, 1,
1, 0, 1, 0};
boolean recMode = false;

Servo myservo; 

void setup() {
  Serial.begin(9600); 
  myservo.attach(servoPin);
  pinMode(relayPin, OUTPUT);
  pinMode(ledPin, OUTPUT);
  pinMode(recordPin, INPUT);
  digitalWrite(recordPin, HIGH);
  pinMode(btnPin, INPUT);
  digitalWrite(btnPin, HIGH);
}

void loop() {
  count = count % TPM;
  digitalWrite(ledPin, HIGH);
  
  if (digitalRead(recordPin) == LOW) {
    beats[count] = digitalRead(btnPin) ? 0 : 1;
  }
  digitalWrite(relayPin, beats[count]);
  potValue = analogRead(potPin);
  
  lsrValue = analogRead(lsrPin);
  servoValue = map(lsrValue, 150, 700, 0, 255);  
  myservo.write(servoValue);


  Serial.print("lsr = " );                       
  Serial.print(lsrValue);      
  Serial.print("\t servo = ");      
  Serial.println(servoValue);  


  digitalWrite(relayPin, LOW);
  digitalWrite(ledPin, LOW);
  delay(potValue / 2 + 50); 
  count ++;
    
}