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IDUINO for Maker’s life

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Large Microphone Module(ST1146)

1. Introduction

It’s a high sensitivity sound detection module, which has two output signal pin.

one digital pin(D0), When it detect some sound up to certain threshold, it can output

High or Low level. One analog pin(A0), it can real-time output voltage signal of the

microphone.

Specification

 Voltage:5V/3.3V

 Electret microphone(It’s different from module4)

 there is a mounting screw hole 3mm

 the use 5v DC power supply

 with analog output

 there are threshold level output flip

 high sensitive microphone and high sensitivity.

 a power indicator light

 the comparator output is light

 Weight: 4g

 Frequency Response range:50Hz～20kHz

 Impedance：2.2K ohm

 Sensitivity：48~66dB

 polar pattern：Universal

 Operating temperature: -40 to 85 degrees celsius

 Operating humidity: 30~90%

 Storage temperature : -5 to 30 degrees celsius

 Storage humidity : 20~75%

 product size: 44*15*10mm

Summary of content (5 pages)

PAGE 1
IDUINO for Maker’s life Large Microphone Module(ST1146) 1. Introduction It’s a high sensitivity sound detection module, which has two output signal pin. one digital pin(D0), When it detect some sound up to certain threshold, it can output High or Low level. One analog pin(A0), it can real-time output voltage signal of the microphone. Specification                    Voltage:5V/3.
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IDUINO for Maker’s life 2. Pinout Pin A0 G + D0 Description Analog signal output pin Ground Power(5V/3.3V) Digital signal output pin 3. Example We will use three example to show the different function of this module. Example 1 show you how to use the digital pin(D0), Example 2 show you how to use the digital pin(A0), In Example 3, we can try to combine this two function into one experiment. 3.
PAGE 3
IDUINO for Maker’s life { pinMode (Led, OUTPUT) ;// define LED as output interface pinMode (buttonpin, INPUT) ;// output interface D0 is defined sensor } void loop () { val = digitalRead(buttonpin);// if (val == HIGH) // { digitalWrite (Led, HIGH); } else { digitalWrite (Led, LOW); } } ********Code End******** 3.2 Example 2 This example show you the Analog pin function, connect this module as below picture, and upload the code. Then open the Serial monitor, you can see some number between 0 to 1023.
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IDUINO for Maker’s life Code for Example2 ********Code begin******** int sensorPin = A5; // select the input pin for the potentiometer void setup () { Serial.begin (9600); } void loop () { sensorValue = analogRead (sensorPin); delay (500); Serial.println (sensorValue, DEC); } ********Code End******** 3.3 Example 3 In this example we try to combine digital pin and analog pin together to control two LED lights, connection and code as below.
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IDUINO for Maker’s life int sensorPin = A0; int sensorValue = 0; int val; void setup() { Serial.begin(9600); pinMode(Led,OUTPUT); pinMode(ledPin, OUTPUT); pinMode(buttonpin,INPUT); } void loop() { sensorValue = analogRead(sensorPin); digitalWrite(ledPin, HIGH); delay(sensorValue); digitalWrite(ledPin, LOW); delay(sensorValue); Serial.println(sensorValue, DEC); val=digitalRead(buttonpin); if(val==HIGH) { digitalWrite(Led,HIGH); } else { digitalWrite(Led,LOW); } } ********Code End******** www.openplatform.