Gikfun DIY SMD SMT Soldering Skill Training Board NE555 CD4017 | Shop The World
From USA
NewGikfun
Gikfun DIY SMD SMT Soldering Skill Training Board NE555 CD4017 Water Flowing Led,Hourglass led DIY Kits
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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•The circular circuit is the running water lamp circuit, which is composed of CD4017, NE555 and leds, which can be used to work after being welded.
•High quality PCB, has clearly marked the electronics components, can easily solder successfully.
•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.
•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.
