Yell at the Alarm

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Objective You can DIY an alarm clock here. It can wake you up at 7:00 in the morning and the way to stop it is to shout at it. If you struggle to wake up, it's indeed a great experience to abreact mood by shouting at your noisy alarm clock. Principle Equipment Module Number Function Microduino-CoreUSB 1 Core board Microduino-Sensorhub 1 Sensor pin board Microduino-Sound 1 Sound detection sensor Microduino-BUZZER 1 Buzzer sensor Microduino-RTC 1 Time clock module Microduino-OLED 1 Display module Microduino-BM 1 Battery management File:MicroduinoRoarAlarmClock.jpg 600px Hardware Buildup Setup 1：Connect the CoreUSB to the computer, open the program examples, select the right board and download the program. File:MicroduinoRoarAlarmClock1.jpg 600px Setup2：Connect the Sound to the A2 pin of the Sensorhub, the Buzzer to D6 and the OLED to IIC. File:MicroduinoRoarAlarmClock2.JPG 800px Setup3：Connect the battery to the BM. File:MicroduinoRoarAlarmClock3.JPG 800px Software Debugging Code Description Define the control pin #define buzzer_pin 6 int micPin = A2; int micValue=0; U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NONE);//Define the connection method of the OLED Initial value set of the clock void initTime() { rtc.initClock(); //set a time to start with. //day, weekday, month, century(1=1900, 0=2000), year(0-99) rtc.setDate(11, 4, 6, 0, 15); //hr, min, sec rtc.setTime(13, 5, 0); } Set the time and the sound of the alarm clock. Here we set the alarm to 7:0 0am. It means the clock will start alarming at 7:00am and stop 5mins after that, which can also be interrupted if there is a shout at the alarm during that time (7:00am-7:05am). void updateAlarm() { if(timeHH==7&&timeMM<5) { if(micValue>500) { isRoar=true; } if(isRoar) { noTone(buzzer_pin); } else { tone(buzzer_pin,500); //Out the frequency in the port. } } else { isRoar=false; noTone(buzzer_pin); } } Program [MicroduinoRoarAlarmClock] Result Every morning at 7:00, the alarm goes on and will last five minutes, during which time you can also interrupt it by shouting at the clock. Video