#define sensorPin A1 // Sharp 2Y0A21 sensor (10 to 80 cm) void setup() { Serial.begin(9600); pinMode(sensorPin, INPUT); } void loop() { int rawValue = analogRead(sensorPin); // Read the raw analog value float volts = rawValue * 0.0048828125; // Convert the raw value to volts int distance = 26 * pow(volts, -1); // Calculate distance using the formula // Print the raw analog value, voltage, and calculated distance to the Serial Monitor Serial.print("Raw Value: "); Serial.print(rawValue); Serial.print(", Volts: "); Serial.print(volts); Serial.print(", Distance: "); Serial.print(distance); Serial.println(" cm"); delay(700); } float readSensorAverage(int pin, int numSamples) { long sum = 0; for (int i = 0; i < numSamples; i++) { sum += analogRead(pin); delay(10); // Small pause between readings } float average = sum / numSamples; return average * 0.0048828125; // Convert the average value to volts }