Electronic Hourglass Led DIY Kits PCB Soldering Practice Board DC 5V Blue LED Fun Welding Practice Board Practice kit with 1.5V AA Battery Holder
?[Power supply voltage] The power supply of this kit is DC3.3--5V, which can be powered by an idle lithium battery. The package includes a battery box, for your convenience.
?[Interesting & pretty] This is a beautiful electronic hourglass that is fun to make and looks great when finished, it is not only a PCB board to practice your soldering skills, but also a decorative gift for you.
?[Easy to assemble] The kit adopts a double-layer PCB, and the circuit consists of 30 white LED blue light. For all kinds of component silk screen logos, please refer to the silk screen logos for welding.
?[Note] This product is a loose piece, you need to manually DIY welding to enhance your hands-on ability, it is very suitable for school basic electronic experiment projects.
?[Package includes] You will get 1 x Blue LED Electronic Hourglass DIY Kits, 1 x AA Battery Holder 3x1.5V.
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