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

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

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. The suite adopts double layer PCB, and the circuit consists of 30 pieces white LED blue ray. Under the control of MCU program, it displays analog hourglass image. Power Supply Voltage：3.3-5V Electronic Hourglass led Diy Kits:
The suite adopts double layer PCB, and the circuit consists of 30 pieces white LED blue ray. Under the control of MCU program, it displays analog hourglass iamge. It can be used as decoration of small night light.

Power Supply Voltage：3.3-5V

Electronic hourglass with electronic circuit control of the light-emitting diodes that sand, mimicking the movement of the hourglass. The electronic hourglass will be like a real hourglass, the upper part of the sand (light-emitting diodes) one by one down, the lower part of the sand a pile of pile up.