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ELECFREAKS Sensor:bit (IO Extension Board For micro:bit)

ELECFREAKS Sensor:bit (IO Extension Board For micro:bit)

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  • This is ELECFREAKS Sensor:bit (IO Extension Board For micro:bit)
  • Enhance micro:bit: Extend all available IO ports on your micro:bit with ELECFREAKS Sensor:bit.
  • Versatile Expansion: Connect various 3V electric brick modules like LED lights, photocells, and more.
  • Buzzer & Audio Jack: Integrated buzzer and audio jack for music playback and engaging activities.
  • IIC Interface Support: Independently lead out IIC interface for components like OLED displays and BME280 sensors.
  • Lego Compatibility: Supports Lego components for creative building possibilities.
  • Compact & Powerful: Small size (57mm x 42mm) yet packed with features to amplify your projects.

ELECFREAKS Sensor:bit (IO Extension Board For micro:bit)

Elevate your micro:bit projects with the ELECFREAKS Sensor:bit – a versatile breakout board designed to maximize your micro:bit's potential. This compact board extends all available IO ports of your micro:bit, opening the door to endless creativity. Connect various 3V electric brick modules like LED lights, photocells, and more to bring your ideas to life.

What sets the Sensor:bit apart is its integrated buzzer and audio jack. Immerse yourself in the world of sound as you play melodies through the buzzer or plug in headphones for a private listening experience, making it an excellent tool for engaging classroom activities.

The IIC interface support allows you to effortlessly connect components like OLED displays and BME280 sensors, expanding your project possibilities. Additionally, the board's Lego interface compatibility further widens the scope of your creations.

Crafted with careful consideration, the Sensor:bit's compact design (57mm x 42mm) is marked with silk printing for easy identification of each IO port. This board empowers learners and makers to dive into micro:bit's capabilities, encouraging experimentation and learning through hands-on activities.

Whether you're a student, educator, or hobbyist, the ELECFREAKS Sensor:bit opens the gateway to innovation. Unleash the full potential of your micro:bit and explore a world of electronic creativity and learning possibilities.


  • Small size: 57mm*42mm.
  • Extend most IO ports on micro:bit by GVS pins.
  • Independently lead out IIC interface. Enable to plug in IIC components like OLED, BME280, etc..
  • Integrated a buzzer and an audio jack.
  • Support Lego interface.
  • Mark out each IO port with silk printing.

Package Includes:

  • 1 x ELECFREAKS Sensor:bit (IO Extension Board For micro:bit)


Compatibility Compatible with various 3V electric brick modules like LED lights, photocell, etc.
Usage Perfect for classroom teaching, projects, and creative experiments
Compatibility IIC interface support for components like OLED displays, BME280 sensors
Size 57mm*42mm

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

For more details, please check our Shipping and Return Policy

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