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KY-038 반도체 회로 부품 판매점

Microphone sound sensor module



ETC 로고
ETC
KY-038 데이터시트, 핀배열, 회로
Arduino KY-038 Microphone sound sensor module
From
hƩp://www.dx.com/p/arduino-microphone-sound-detecƟon-sensor-module-red-135533
Contents
1 Microphone sound detecƟon module
2 ConnecƟng to the Arduino
3 Example code: Digital output
4 Example Code : analog outputs
Microphone sound detecƟon module
For sound detecƟon Module has two outputs:
1. AO, analog output, real-Ɵme output voltage signal of the microphone
2. DO, when the sound intensity reaches a certain threshold, the output high and low signal
hƩps://tkkrlab.nl/wiki/Arduino_KY-038_Microphone_sound_sensor_module


KY-038 데이터시트, 핀배열, 회로
The threshold-sensiƟvity can be adjusted via potenƟometer on the sensor
ConnecƟng to the Arduino
Pin + to Arduino 5+
Pin - to Arduino -
Pin A0 to Arduino A0 (for analog program)
Pin D0 to Arduino 13 (for digital program)
Example code: Digital output
int Led = 13 ;// define LED Interface
int buttonpin = 3; // define D0 Sensor Interface
int val = 0;// define numeric variables val
void setup ()
{
pinMode (Led, OUTPUT) ;// define LED as output interface
pinMode (buttonpin, INPUT) ;// output interface D0 is defined sensor
}
void loop ()
{
val = digitalRead(buttonpin);// digital interface will be assigned a value of pin 3 to read val
if (val == HIGH) // When the sound detection module detects a signal, LED flashes
{
digitalWrite (Led, HIGH);
}
else
{
digitalWrite (Led, LOW);
}
}
Example Code : analog outputs
int sensorPin = A0; // select the input pin for the potentiometer
int ledPin = 13; // select the pin for the LED
int sensorValue = 0; // variable to store the value coming from the sensor
void setup ()
{
pinMode (ledPin, OUTPUT);
Serial.begin (9600);
}
void loop ()
{
sensorValue = analogRead (sensorPin);
digitalWrite (ledPin, HIGH);
delay (sensorValue);
digitalWrite (ledPin, LOW);
delay (sensorValue);
Serial.println (sensorValue, DEC);
}
hƩps://tkkrlab.nl/wiki/Arduino_KY-038_Microphone_sound_sensor_module




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Microphone sound sensor module - ETC