int LEDpin[] = {4, 5, 18, 19, 21, 22, 23};
int LED1[] = {0, 1, 1, 1, 1, 1, 1};
int LED2[] = {1, 0, 1, 1, 1, 1, 1};
int LED3[] = {1, 1, 0, 1, 1, 1, 1};
int LED4[] = {1, 1, 1, 0, 1, 1, 1};
int LED5[] = {1, 1, 1, 1, 0, 1, 1};
int LED6[] = {1, 1, 1, 1, 1, 0, 1};
int LED7[] = {1, 1, 1, 1, 1, 1, 0};

int valueAnalog = 0;
int mapValueAnalog;

void setup() { 
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  // change maxinum bits 9-12
  // analogReadResolution(10);

  // map(value, fromLow, fromHigh, toLow, toHigh);

  for(int i=0; i<7; i++){
    pinMode(LEDpin[i], OUTPUT);
    digitalWrite(LEDpin[i], LOW); delay(250);
    digitalWrite(LEDpin[i], HIGH); delay(250);
  } 
}

void loop() {
  valueAnalog = analogRead(36);
  mapValueAnalog = map(valueAnalog, 0, 4095, 0, 100);
  Serial.println("valueAnalog : " + String(valueAnalog) + " mapValueAnalog : " + String(mapValueAnalog));

  for(int i=0; i<7; i++){
    if(mapValueAnalog <= 14 && mapValueAnalog > 0){
      digitalWrite(LEDpin[i], LED1[i]);
    }
    if(mapValueAnalog > 14 && mapValueAnalog <= 42){
      digitalWrite(LEDpin[i], LED2[i]);
    }
    if(mapValueAnalog > 42 && mapValueAnalog <= 56){
      digitalWrite(LEDpin[i], LED3[i]);
    }
    if(mapValueAnalog > 56 && mapValueAnalog <= 70){
      digitalWrite(LEDpin[i], LED4[i]);
    }
    if(mapValueAnalog > 70 && mapValueAnalog <= 84){
      digitalWrite(LEDpin[i], LED5[i]);
    }
    if(mapValueAnalog > 84 && mapValueAnalog <= 98){
      digitalWrite(LEDpin[i], LED6[i]);
    }
    if(mapValueAnalog > 98 && mapValueAnalog <= 100){
      digitalWrite(LEDpin[i], LED7[i]);
    }
  }
  delay(50);
}