DIY SMD Rotating LED SMD Components Soldering Practice Board Skill Training Kit
2,29 €
PCB board design is reasonable, are commonly used in the SMD components. board material: international standard sheet, all tin pad, high strength fire drop material, can be repeated disassembly. the middle of the circular circuit for the water lamp circuit, by the CD4017, NE555, light-emitting diodes, welding power can work.
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