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Concepts

1. Sound Detection

Students will learn how the micro:bit can hear sounds, like a clap, and
understand that it can be used to create fun programs.

2. Programming Actions

Students will see how coding allows the micro:bit to do things based on what
it hears, like showing a heart when it detects a clap.

Observations

In the Clap Heart activity, students will notice:

When they clap, the micro:bit will light up and show a heart on its LED

screen.

If they clap again, the heart will appear once more, showing that the micro:bit
is responding to the sound.

Students will enjoy seeing how sound can control the micro:bit and create a
fun visual.

Application

Sound sensor is in automatic lights that turn

on when you clap your hands. The sound
sensor listens for a loud sound, like a clap,

and when it detects it, the lights automatically
turn on. This makes it easy to control lights
without needing to touch a switch.

Understanding Light Intensity Programs

A light sensor is an input device that detects
changes in light levels and can be programmed
to use this information to trigger specific

actions in computer systems. For instance, you
can program the micro:bit to light up brightly
when it detects high light levels or dim when

it’s dark. The micro:bit uses its LED display as
the light sensor, allowing it to both emit light

Introduction to Micro:bit and Programming 73