Microduino-BUZZER

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Microduino-Buzzer Microduino-Buzzer is passive just like a magnetic speaker. It needs voltage with different frequency and thus can make sound accordingly. The sound becomes louder when the frequency gets higher. Feature Controllable sound frequency (eg: You can achieve the effect of piano spectrum with it. ) Small size and beautiful Specification Operation voltage—3.3V~5V; 1.27mm pitch and 4Pin interface; File:Microduino-Buzzer rule1.jpg 600px Document Schematic：File:Microduino Buzzer.Zip Development It can be used to make various kinds of sound through the buzzer. Application Hardware Needed: Microduino-Core, Microduino-USBTTL, Microduino-Sensorhub, several dupont lines and USB cable; Software: Make sure you did build Microduino development envrionment or you need to refer to: Microduino Getting start Program #define buzzer_pin 6 void setup() { pinMode(buzzer_pin,OUTPUT); } void loop() { for(int i=200;i<=800;i++) //Increase the frequency from 200HZ to 800HZ circularly. { tone(buzzer_pin,i); //Output frequency in the port. delay(5); //The frequency lasts for 5ms. } delay(1000); //The highest frequency lasts for 1s. for(int i=800;i>=200;i--) { tone(buzzer_pin,i); delay(10); //The frequency lasts 10ms. } } Stack all the modules and then connect the interface on the back of BUZZER to the D6 digital port of Sensorhub. Open IDE, copy the program to IDE, choose the right board, compile and download. You can hear the alarm after download. Purchase History Image Front Microduino-Cube-Station Front Back Microduino-Cube-Station Back