Description
This is a novel design of a 60-second timer piece.It is fun to build and nice to look at when finished, it’s not only a PCB board for practicing welding, but also a decorative gift for you..The flash Christmas tree kit consists of a combination of three circuit boards, the user through their own welding assembly, so that the 36 LED alternating flashing, in the space of a Christmas tree in the outline of the three-dimensional (night environment to see better)..Comes with user manual, which will guide you how to finish step by step, perfect for school basic electronics experiment projects..Please make sure all components in right direction and right place; and check whether pseudo and float welding, this is very important in practicing and testing.
