Power module for micro:bit, expansion board, works with button cell, buzzer

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Quantity on Hand : 7
Skill Level : Assembled and Tested

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Description: This power module is an extension board for your micro:bit®, powered by two batteries so you can use your it anywhere you want! There's also an onboard buzzer that you can use as an extra output. For instance; to make your micro:bit® buzz when it starts up!


Educational: Discover the fascinating world of Whadda soldering kits and learn the basics of electronics through engaging projects. The kits offer step-by-step instructions and clear explanations, allowing both beginners and experts to learn and experiment.

Creativity: Give space to your imagination and create unique electronic projects with the Whadda soldering kits. Unleash your creativity and build something that is truly yours!

Made in Belgium : Whadda is a unique brand from Belgium's Velleman Group that offers DIY projects for hobbyists or makers who want to immerse themselves in electronics, programming and mechanics.

STEM project: Develop and improve your STEM skills and acquire the knowledge, skills and experience needed to face the technological challenges of the future with this educational kit. This educational kit will trigger a number of processes such as problem-solving, investigative and creative thinking. Perfect for young and old: With this experiment kit, children and adults with little or no prior knowledge can take their first steps into the exciting world of electronics and advanced users can deepen their knowledge.

- The kit is ideal for youngsters and adults aged 9 to 99! However, children under 14 must be accompanied by an adult.

- To make this kit, you will need some basic tools (not included): a soldering iron or station, solder tin and pliers. Another practical tool is an anti-static soldering mat.


  • export micro:bit® pins P1, P2, 3V & GND
  • onboard buzzer controlled by micro:bit® P0 port
  • working voltage: 2.7 V – 3.3 V
  • battery: CR2025

Operational properties

  • Instruction manual languages Dutch, English, French, German, Polish, Portuguese, Spanish
  • Coding skill level none
  • Electronics skill level 1
  • Mechanics skill level 1
  • Soldering skill level none

Product basic info

  • Colour unit White
  • Width unit 7.8 cm
  • Weight unit 35 g
  • Height unit 15.5 cm
  • Depth unit 3.8 cm

Documentation and Downloads