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Published © GPL3+

Arduino Drum Lessons

Let's teach Arduino some drum lessons! We're using an Arduino, a servo motor and a sound sensor.

BeginnerFull instructions provided8
Arduino Drum Lessons

Things used in this project

Hardware components

DFRobot Bluno M3
or another Arduino Board such as an Arduino Uno
×1
Adafruit Microphone Sound Sensor KY-038 Module
×1
SG90 Micro-servo motor
SG90 Micro-servo motor
×1
LED (generic)
LED (generic)
×1
Resistor 220 ohm
Resistor 220 ohm
×1
Jumper wires (generic)
Jumper wires (generic)
×1
Arduino UNO
Arduino UNO
×1

Software apps and online services

Arduino IDE
Arduino IDE

Hand tools and fabrication machines

Hot glue gun (generic)
Hot glue gun (generic)
Multitool, Screwdriver
Multitool, Screwdriver

Story

Read more

Schematics

Schematic for Bluno M3 Drum Lessons

Code

Bluno_M3_Arduino_Drum_Lessons.ino

Arduino
/* 
 * Version 1.0 August, 2021
 * Copyright (c) 2021 Korneel Verraes
 * https://lego-projecten.webnode.nl/
 *  
 * Bluno M3 Arduino Drum Lessons:
 * A sound sensor with digital output is connected to pin 7
 * A servo motor is connected to pin  9
 * An LED is connected to pin 13
 * 
 * Accompanying video: https://youtu.be/OXwlFxWnDI8
 */

#include <ServoM3.h>  //use this on Bluno M3
//#include <Servo.h>  //use this on other Arduino boards (e.g.: Arduino UNO, Arduino MEGA...)

Servo servo;                                      

int clapCount = 0;
int clapTime[50];
int led = 13;
int sensor = 7;
boolean clap = 0;

void setup() {
  servo.attach(9);
  servo.write(0);
  pinMode(led, OUTPUT);
  pinMode(sensor, INPUT);
}

void loop() {
  clap = digitalRead(sensor);
  if (clap == 1) {
    digitalWrite(led, HIGH);
    clapTime[clapCount] = millis();
    clapCount++;
    delay(200);
  }
  else {
    digitalWrite(led, LOW);
  }
  if ((millis() - clapTime[clapCount - 1]) > 2000 && clapCount != 0) {
    for (int i = 1; i < clapCount ; i++) {
      servo.write(13);
      delay(80);
      servo.write(0);
      delay (clapTime[i] - clapTime[i - 1] - 80); 
    }
    servo.write(13);
    delay(80);
    servo.write(0);
    delay(800);
    clapCount = 0;
  }
}

Credits

legoev3projects

legoev3projects

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