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Clap hearts

Débutant | MakeCode, Python | Microphone, Écran LED | Entrée / Sortie

Étape 1 : Maîtrisez

Qu'est-ce que c'est ?

Make the new micro:bit's microphone respond to claps and beats with an animated light show.

Introduction

Guide de codage

Ce que vous apprendrez

  • How computers take inputs, process them using code and create different outputs
  • How to use the new micro:bit's built-in microphone sensor to trigger events in your code
  • That the micro:bit's microphone can be used to respond to both quiet and loud sounds

Comment ça marche

  • When the microphone detects a loud sound, like a clap, it shows a large heart on the LED display.
  • If it detects a quiet sound, for example after your clap has finished, it shows a small heart.
  • The effect of this is to create a simple heart animation that responds to claps or strong beats in music.

Ce dont vous aurez besoin

  • new micro:bit with sound (or MakeCode simulator)
  • MakeCode ou éditeur Python
  • un boîtier de piles (optionnel)

Étape 2 : Codez

Étape 3 : Améliorez

  • Create your own animation using other icons or drawing your own pictures.
  • Make the micro:bit respond to a loud sound by making a sound of its own. Does this cause any problems? How can you fix them?
  • You can change the sound level that triggers a loud sound event. This level is called a threshold. In MakeCode use the 'set loud sound threshold to...' input block to choose different sound levels to make it more or less sensitive to loud sounds.
  • In Python, to change the threshold for loud sounds use microphone.set_threshold(SoundEvent.LOUD, 128) - changing the number 128 to the value you want between 0 and 255.