Sound Sensor: Difference between revisions
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==Overview== | ==Overview== | ||
The Sound sensor module is a simple microphone based on a opamp LM358 to amplify the sound strength of the environment like door knocks | [[File:Sound sensor.jpg|300px]] | ||
The Sound sensor module is a simple microphone based on a opamp LM358 to amplify the sound strength of the environment like door knocks and etc loud enough to be picked up by a microcontroller's Analog to Digital converter. The value of output can be adjusted by the potentiometer. | |||
==Applications== | ==Applications== | ||
Simple microphone | *Simple microphone | ||
Sound detection | *Sound detection | ||
==Connection Diagram== | ==Connection Diagram== | ||
Here is the guide illustrates how to connect an Arduino to the sound sensor. The following is a table describing which pins on the Arduino should be connected to the pins on the sound sensor: | |||
[[File:BT.jpg]] | |||
VCC <-------> VCC | |||
GND <-------> GND | |||
S <-------> Analog 0 | |||
==Examples== | ==Examples== | ||
void setup() | void setup() | ||
{ | { | ||
Serial.begin(9600); // open serial port, set the baud rate to 9600 bps | Serial.begin(9600); // open serial port, set the baud rate to 9600 bps | ||
} | } | ||
void loop() | void loop() | ||
{ | { | ||
int val; | int val; | ||
val=analogRead(0); //connect mic sensor to Analog 0 | val=analogRead(0); //connect mic sensor to Analog 0 | ||
Serial.println(val,DEC);//print the sound value to serial | Serial.println(val,DEC);//print the sound value to serial | ||
delay(100); | delay(100); | ||
} | } | ||
==How to buy== | ==How to buy== | ||
Click here to buy [http://www.geeetech.com/analog-voice-sound-sensor-module-p-600.html Sound sensor] | Click here to buy [http://www.geeetech.com/analog-voice-sound-sensor-module-p-600.html Sound sensor] | ||
Latest revision as of 02:54, 17 September 2012
Overview
The Sound sensor module is a simple microphone based on a opamp LM358 to amplify the sound strength of the environment like door knocks and etc loud enough to be picked up by a microcontroller's Analog to Digital converter. The value of output can be adjusted by the potentiometer.
Applications
- Simple microphone
- Sound detection
Connection Diagram
Here is the guide illustrates how to connect an Arduino to the sound sensor. The following is a table describing which pins on the Arduino should be connected to the pins on the sound sensor:
VCC <-------> VCC GND <-------> GND S <-------> Analog 0
Examples
void setup()
{
Serial.begin(9600); // open serial port, set the baud rate to 9600 bps
}
void loop()
{
int val;
val=analogRead(0); //connect mic sensor to Analog 0
Serial.println(val,DEC);//print the sound value to serial
delay(100);
}
How to buy
Click here to buy Sound sensor