12 Position LED Electronic Lucky Rotary Board Kit for Arduino UNO R3.
This is an intuitive, simple and inexpensive circuit kit，both exercise your soldering skills, also profound learning Arduino program, will attract and enhance students' interest in learning.
The item unassembled, you must soldering and assembly, and the item not include Arduino UNO R3.
Youtube video link: https://youtu.be/GXj6HNA7U8Q
Datasheet:
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