A small microphone with amplifier & threshold setting. It can detect when sound reaches a certain level. It can not detect a particular frequency and there is no support in the micro:bit programming environment at present for it to analyse...

A type of buzzer - it has to be driven by a pulsed output. It's tuned for around 2kHz when it will be at its loudest but will produce a tone across a wide range of frequencies. In the Block Editor, the black lead goes on to GND and the blue lead goes on...

Good for detecting boxes, drawers or doors being opened and much more. The black lead goes on GND, the red lead goes on 3v and the other lead goes on 0, 1, or 2. This item is somewhat polarity sensitive, the red & black leads need...

A very accurate temperature sensor using a calibrated chip called a TMP36GZ. It is accurate to ±1°C at +25°C. At this temperature it outputs 750mV. It changes by 10mV per °C. The black lead goes on GND, the red lead...

An external light sensor for all your light sensing needs. The black lead goes on GND, the red lead goes on 3v and the other lead goes on 0, 1, or 2.This item is polarity sensitive, the red & black leads need to be on the correct...

This Pushbutton makes it easy to add an extra input to your BBC micro:bit projects. With simple clip leads and no soldering required, it’s perfect for classrooms, workshops, and quick prototyping. Features Simple connectivity — attach...

Provides a variable voltage to an analog input via a twist knob - a volume control if you will. Can be used for any application where a user input across an analog range is required - for instance changing the frequency of the music output or the speed...

The Water Sensor Provides a variable analog reading depending on how wet/damp the sensor is. Good for plants or fingers. The black lead goes on GND, the red lead goes on 3v and the blue lead goes on whichever pin is being used in the program. This...

The MonkMakes Sensor Board for micro:bit allows you to sense sound level, temperature and light level. FEATURES 3V and GND connections can be made from either side and allow you to power a second board such as the MonkMakes Relay...

The MonkMakes Speaker for micro:bit is a neat little amplified speaker that connects to the micro:bit using alligator clips. Despite its small size, the speaker is pretty loud. Please note that the individual boards are packed in antistatic bubblewrap...