Gikfun Electronic Hourglass led DIY Kits Welding Practice Board Blue Ray EK1886

Amazon.com Price: $9.98 (as of 30/01/2023 23:09 PST- Details)

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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.
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.

Be certain that this fits by entering your model number.
It is a beautiful electronic hourglass that may be fun to build and nice to take a look at when finished, it’s not just a PCB board for practicing welding skills, but also a decorative gift for you.
Comes with English user manual and online PDF file, so one can guide you how one can finish step-by-step, perfect for school basic electronics experiment projects.
The suite adopts double layer PCB, and the circuit consists of 30 pieces white LED blue ray.
Under the keep watch over of MCU program, it displays analog hourglass image.
Power Supply Voltage:3.3-5V

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