#define pi 3.1416

float analogValue = 0;
float integratedValue = 0;
float h = 0.01;
float voltage = 0;

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

void loop() {
    
    analogValue = analogRead(A0);

   
    voltage = (analogValue * 3.3 / 4095.0) - 1.65;

    
    integratedValue += voltage * h;

    Serial.println(integratedValue);

   
    delay(500);
}