36 LED alternating flashing, in the space of a Christmas tree in the outline of the three-dimensional, really a beautiful decoration and can add a lively atmosphere (night environment to see better).
Comes with English user manual and online PDF file, which will guide you how to finish step by step, perfect for school basic electronics experiment projects.
This is a beautiful electronic hourglass that is fun to build and nice to look at when finished, it is not only a PCB board for practicing welding skills, but also a decorative gift for you.
Description
This is a beautiful PCB board that is fun to build and nice to look at when finished, it is not only a PCB board for practicing welding skills, but also a decorative gift for you.