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Home / micro:bit enhancement products / Muse 21

Muse 21

USD $ 69.90

The Muse 21 is the perfect add-on for your micro:bit Booster and projects, containing various sensors and actuators.

Minimum Qty: 1
Categories: Actuators, micro:bit enhancement products, Sensors Tags: Actuators, Kit Set, Sesnors
  • Description

Description

Analog Input Sensors

  • 1.MSS-S.01Light Sensor

    Description

    A light sensor or light trigger detects and measures ambient light and the change of ambient light. In the simplest way, it can be used to determine whether i.e. it is day or night.

    There are different sensors. Most commonly used are Photoresistors, Photodiodes and Phototransistors.

    Specifications

    Type:             Photoresistor

    (light dependent Resistor, LDR)

    Category:       Sensor, Input

    Operation:     Analog, (infinitely adjustable)

    Voltage:         3.3V (max. 5V)

    Reading:        0 – 1023

    Pinout: (-) Ground, (+) 3.3V, (S) Signal

    Muse Color-Code: Red

    Functional principle

    The Photoresistor is a light-sensitive semiconductor whose resistance will decrease with increasing amount of ambient light.

     (more light = less resistance = greater output voltage).

    It can infinitely vary the output voltage from +0V to +5V, dependent on the light source.

  • 2.MSS-S.02Sound Sensor

    Description

    A sound sensor or sound trigger detects and measures ambient sounds and the change of ambient sounds. It is often used with clapping hands to trigger an action.

    The Sensor consists of a microphone and an amplifier.

    Specifications

              Type:             Loudness Sensor

              Category:       Sensor, Input

              Operation:      Analog, (infinitely adjustable)

              Voltage:         3.3V (max. 5V)

              Reading:        512 ± 212 (300 – 800)         

              Pinout: (-) Ground, (+) 3.3V, (S) Signal

              Muse Color-Code: Red

    Functional principle

    The microphone of the loudness (sound) sensor reacts to ambient sounds or more precisely to soundwaves. Similar to the human ear, the microphone contains a membrane that will oscillate to the soundwaves. Close to the membrane is another plate, together they form a capacitor that can store electrical energy. The stronger the membrane swings, the greater the capacity. (louder noise = stronger oscillation = more capacity = greater output voltage). It can only measure the loudness (the amplitude or how strong the membrane swings), not the pitch (frequency or how often the membrane swings).

    The sensor provides a “silent” analog reading of 512 due to the basic minimal capacity of stored electrical energy.

  • 3.MSS-S.03Motion Trigger

    Description

    The PIR (passive infrared) sensor reacts to changes in heat radiation in the infrared spectrum and therewith detects motions of objects, humans and animals, it does not react to changes of sunbeams.

    Specifications

              Type:             passive infrared sensor                     

              Category:       Sensor, Input

              Operation:      Digital

              Voltage:         3.3V (max. 5V)

              Reading:        0 or 1 

              Coverage:      120°

              Pinout: (-) Ground, (+) 3.3V, (S) Signal

              Muse Color-Code: Red

    Functional principle

    The PIR doesn’t measure heat like a thermometer but instead measures the heat of lightwaves. It is a passive sensor and does not send waves itself, unlike active infrared sensors.

    If an object is detected as moving, the sensor will send a HIGH signal (1), else will remain a LOW (0).

  • 4.MSS-S.04Air Temperature Sensor

    Description

    The heart of the sensor is the TMP36, a low voltage, precision centigrade temperature sensor. It is calibrated directly to Celsius and does not require any external calibration. It has a low self-heating tendency and is therfore ideal for most projects and applications.

    Specifications

              Category:       Sensor, Input

              Operation:      Analog

              Voltage:         3.3V ( min. 2.7V – max. 5.5V)

              Reading:        10 mV/°C (−40°C to +125°C)

              Accuracy:       ±2°C

              Pinout: (-) Ground, (+) 3.3V, (S) Signal

              Muse Color-Code: Red

    Functional principle

    n/a

  • 5.MSS-S.05Dimmer

    Description

    The Dimmer is a resistor with sliding or rotating contacts that form an adjustable voltage divider. It is commonly used to control electrical devices, such as the volume on audio equipment. It is done by varying the current flowing through the resistor.

    Specifications

              Type:             Potentiometer

              Category:       Sensor, Input

              Operation:      Analog (max. 1 Watt)

              Reading:        0 – 1023

              Pinout: (-) Ground, (+) 3.3V, (S) Signal

              Muse Color-Code: Red

    Functional principle

    The rotational sliding contact (wiper) moves along a resistive element from one end to the other, thus increasing or decreasing the resistance. (less resistance = greater output voltage).

  • 6.MSS-S.06Push Button

    Description

    The pushbutton is a momentary switch which handles two states, pressed or not pressed, and is often used to initiate an action on a button press or performs an action as long as the button is pressed or released respectively, i.e. LED illuminates while the button is pressed.

    Specifications

               Type:             Switch

               Category:       Sensor, Input

              Operation:      Analog, Digital

              Reading:        0 or 1023, 0 or 1

              Default:          HIGH on released state

              Pinout: (-) Ground, (+) 3.3V, (S) Signal

              Muse Color-Code: Red

    Functional principle

    The pushbutton contains a simple mechanical switch mechanism that will either opens or closes a circuit, depending on the state of the button, and lets current flow or not. It can be read in analog, returning a low value of 0 when pressed and a high value of 1023 when released, or digital, returning 0 when pressed and 1 when released.

  • 7.MSS-S.07Water Temperature Sensor

    Description

    n/a

    Specifications

               Type:             Contact Temperature Sensor

               Category:       Sensor, Input

              Operation:      Analog

              Reading:        0 – 1023

              Pinout:           (-) Ground, (+) 3.3V

              Muse Color-Code: Red

    Functional principle

    n/a

  • 8.MSS-S.08Soil Moisture Sensor

    Description

    A soil moisture sensors measure the volumetric water content in soil by measuring the electrical resistance of the soil, drier soil will have a greater resistance and vice versa.

    With the soil moisture sensor, you can easily measure and determine whether or not you need to water your plants.

    Specifications

              Type:             Contact Sensor

              Category:       Sensor, Input

              Operation:      Analog

              Reading:        0 – 1023

              Pinout:           (-) Ground, (+) 3.3V

              Muse Color-Code: Red

    Functional principle

    n/a

  • 9.MSS-S.09Raindrop Sensor

    Description

    The raindrop sensor will detect waterdrops that fall onto the surface of the sensor board, shorting two else separated circuits. The two circuits are commonly nickel coated lines that run in a specific pattern to cover the surface area allowing the two circuits to be close to each other without establishing any connection. The gap between the nickel lines are small enough that they can be bridged by the size of a single raindrop, thus closing the circuit and detecting the raindrop.

    Specifications

              Type:             Contact Sensor

              Category:       Sensor, Input

              Operation:      Analog, Digital

              Reading:        0 or 1023, 0 or 1

              Pinout:           (-) Ground, (+) 3.3V

              Muse Color-Code: Red

    Functional principle

    n/a

Motors & Actuators

  • 10.MSS-A.01Water Pump

    Description

    n/a

    Specifications

    n/a

    Functional principle

    n/a

  • 11.MSS-A.02Vibrator

    Description

    n/a

    Specifications

    n/a

    Functional principle

    n/a

  • 12.MSS-A.03180° Servo

    Description

    n/a

    Specifications

    n/a

    Functional principle

    n/a

  • 13.MSS-A.04360° Servo

    Description

    n/a

    Specifications

    n/a

    Functional principle

    n/a

  • 14.MSS-A.05DC Motor

    Description

    n/a

    Specifications

    n/a

    Functional principle

    n/a

Buzzers

  • 15.MSS-O.07Active Buzzer

    Description

    n/a

    Specifications

    n/a

    Functional principle

    n/a

  • 16.MSS-O.08Passive Buzzer

    Description

    n/a

    Specifications

    n/a

    Functional principle

    n/a

LED’s

  • 17.MSS-O.01UV LED

    Description

    n/a

    Specifications

    n/a

    Functional principle

    n/a

  • 18.MSS-O.02Colourful LED

    Description

    n/a

    Specifications

    n/a

    Functional principle

    n/a

  • 19.MSS-O.04Red LED

    Description

    n/a

    Specifications

    n/a

    Functional principle

    n/a

  • 20.MSS-O.05Yellow LED

    Description

    n/a

    Specifications

    n/a

    Functional principle

    n/a

  • 21.MSS-O.06Green LED

    Description

    n/a

    Specifications

    n/a

    Functional principle

    n/a

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MuseLab
Links
  • |
  • IT Innovation Lab
  • Course Materials
    • Course material
    • Sound
    • AiTLE Learning Handbook for Students (Chinese Version)
    • IoT Quick Start Guideline for Students (Chinese Version)
    • Muse 21 Sensor Set Using Guideline (Chinese Version)
    • AI Introduction
  • Products
    • The Core
      • MuseLab micro:biit WiFi Booster
      • MuseLab micro:bit Mini Booster
    • The Parts
      • Muse 21
      • MuseBricks®
    • Kit Sets
      • MuseRover 1.0 Kit Set
      • MuseLab Robotic Arm
      • Muse Mechanical Set (3in1)
  • Web Apps
    • micro:bit PXT
    • Snap!
    • Servo Control
  • Resources
    • Documentation
      • Update to the newest MuseLab firmware?
      • Assembly instructions
      • Booster Quick Start Guide (PDF)
      • Using MQTT with the micro:bit (PDF)
    • How to’s?
      • 1. How to connect micro:bit to the Internet?
      • 2. Understanding Sensors
      • 3. How to use IFTTT?
      • 4. How to use ThingSpeak?
      • 5. How to build a traffic light?
      • 6. How to build a windmill?
      • 7. How to build a crane?
      • 8. How to store your micro:bit data in Excel?
  • Events
    • Teacher Development Workshop
    • Cisco IoT Summer Camp
    • Maker Fair HK
    • Cisco Innovation Challenge
    • PTA Competition
    • Robotic Course – St. Pauls Convent School
    • IoT Course – St. Pauls Convent School
  • Sales
    • Distributors
      • Hong Kong
        • WECL
        • SMARTHON
  • IOT Course Enquiry
  • School form
  • About Us
    • About Us
    • Contact Us
  • English
    • 繁體中文
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