Gikfun DIY SMD SMT Welding Practice Soldering Skill Training Board NE555 CD4017 Water Flowing Led DIY Kit EK1885 Pipiman Secure and Durable Hose Clamping

Secure and Durable Hose Clamping Solution

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Gikfun DIY SMD SMT Welding Practice Soldering Skill Training Board NE555 CD4017 Water Flowing Led DIY Kit EK1885 Pipiman Secure and Durable Hose ClampingAbout this item PCB blank board Size: 80mm x 60mm 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. Add 2pcs of QFP44 chip, double sided component layout, double welding. High quality PCB, has clearly marked the electronics components, even beginners can easily solder successfully. Please make sure all components in right direction and right place; and