How to Use MKE-S06 Sound Sensor: Examples, Pinouts, and Specs

The MKE-S06 Sound Sensor is a compact and versatile electronic component designed to detect ambient sound levels and convert them into electrical signals. This sensor is commonly used in a variety of applications such as noise level monitoring, security systems, and interactive art installations. Its ease of use makes it suitable for hobbyists and professionals alike, allowing for sound-activated projects and experiments.

• Sound-triggered alarms
• Environmental noise measurement
• Interactive exhibits
• Voice-activated devices
• Home automation systems

• Operating Voltage: 3.3V to 5V DC
• Output Signal: Analog (0V to Vcc)
• Frequency Range: 50 Hz to 20 kHz
• Sensitivity: Adjustable via onboard potentiometer

1. Powering the Sensor: Connect the VCC pin to a 3.3V or 5V power supply and the GND pin to the ground of your circuit.
2. Reading the Analog Signal: Connect the AOUT pin to an analog input pin on your microcontroller to read the sound level as an analog voltage.
3. Using the Digital Output: Connect the DOUT pin to a digital input pin on your microcontroller if you want to detect sound above a certain threshold, which can be set using the onboard potentiometer.

• Ensure that the power supply voltage matches the sensor's requirements to prevent damage.
• Adjust the sensitivity carefully to avoid false triggers or missed detections.
• Keep the sensor away from vibration sources that may cause false readings.
• Use shielded cables for connections if the sensor is placed in a noisy electrical environment.

// Define the pin connected to the analog output of the sensor
const int soundSensorPin = A0;

void setup() {
  // Initialize serial communication at 9600 baud rate
  Serial.begin(9600);
}

void loop() {
  // Read the analog value from the sound sensor
  int sensorValue = analogRead(soundSensorPin);
  
  // Convert the reading to a voltage level
  float voltage = sensorValue * (5.0 / 1023.0);
  
  // Print the voltage level to the Serial Monitor
  Serial.print("Voltage: ");
  Serial.println(voltage);
  
  // Wait for a short period before reading again
  delay(200);
}

• Inconsistent Readings: If the sensor provides inconsistent readings, check for loose connections and ensure that the sensor is not subjected to mechanical vibrations.
• No Output Signal: Verify that the sensor is correctly powered and that the pins are connected to the correct microcontroller inputs.
• Too Sensitive or Insensitive: Adjust the onboard potentiometer to fine-tune the sensor's sensitivity.

• Check Connections: Ensure all connections are secure and free from corrosion or damage.
• Power Supply: Confirm that the power supply is stable and within the specified voltage range.
• Interference: Minimize electrical noise by keeping the sensor away from high-power devices and using shielded cables.

Q: Can the MKE-S06 Sound Sensor differentiate between different sounds or frequencies?

A: The MKE-S06 Sound Sensor does not differentiate between sounds or frequencies. It measures the overall sound level in the environment.

Q: How do I adjust the threshold for the digital output?

A: Turn the onboard potentiometer clockwise or counterclockwise to increase or decrease the threshold level for the digital output.

Q: Is it possible to use multiple MKE-S06 sensors in one project?

A: Yes, you can use multiple sensors in a project, but ensure each sensor's output is read by a separate input pin on your microcontroller.

Q: What is the maximum distance at which the sensor can detect sound?

A: The maximum detection range depends on the ambient noise level and the sensitivity setting. It is generally effective for close to medium-range applications.