Item Tag: Scientist

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SMD/SMT Components Practice Board – Electronic Project Kits DIY Soldering Ski…

The positive pole is connected to +, and the negative pole is connected to -. After the SMD components are soldered, power on to form a running water lamp to detect the effect of the soldering. SMD/SMT Components Practice Board - Electronic Project Kits DIY Soldering Skill Training Board - Led Transistor Soldering Kit.