micro:bit smart coding kit(without micro:bit)

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Manufacturer ID -EF08206

Easy Installation: Only need 4 simple steps, you can easily complete the installation.Children can also choose to hang around the neck with a string.

Creativity: It fits for graphical Makecode and Scratch programming. Kids can creat many cases such as dice games,thermometer,compass, pedometer, play music, wireless control and so on...

Two Button Cells: Let the microbit run without usb cable and bulky battery holder. In order to be as small as possible, we only support 2025 button cells.

Wear:bit Extension Board has 2 Switches: Power Switch and Buzzer Switch, Children can better control the micro:bit and buzzer as needed.


Elecfreaks Smart Coding Kit is a wearable device based on micro:bit button cell extension board Pro, a DIY micro:bit watch can be easily made with a simple installing method.

ELECFREAKS is an official Partner of micro:bit Educational Foundation focusing on developing educational and creative micro:bit accessories for the world. We devote ourselves to providing the most complete and excellent products and services to our customers. We have created tutorial blogs, learning materials, videos, and fun case studies as part of building global micro:bit communities in education.

ELECFREAKS micro:bit Smart Coding Watch Kit WIKI


  • The fun cases will bring children the joy of programming!
  • Children can use programming to achieve what they want. It better improves children's interest in programming!
  • Teachers or parents also can give the child some help through communication to let the child have fun in programming!


  • Powered by two 3V CR2025 lithium batteries.
  • Loaded with a buzzer that is controlled through the P0 port.
  • Loaded with a buzzer switch.
  • It can be used with the watch strap and the micro:bit.


  • Simplify the installation without using the acrylic back shroud.
  • Maintain a simple style with 3-pin ports canceled.
  • Upgrade the function by adding a switch for the buzzer.
Brand Elecfreaks
Manufacturer ID EF08206
Working Voltage 2.7~3.3V
Dimension 85.68mm X 85.34mm X 38.10mm
Size 49.1x51.6mm
Net Weight 12.7g
Important WITHOUT micro: bit and BATTERY !!!

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