SMD/SMT Componenti Saldatura Pratica Skill Board Progetto Elettronico Fai da Te Kit

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. 【Easy to Assemble】: The connection that was clearly mapped and labeled on the board makes it easy to assemble.

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