Solder flux ensures strong PCB joints by cleaning oxidation. Types include rosin, no-clean, and water-soluble, crucial for reliable electronics assembly.
The article provides a step-by-step guide to soldering a PCB, covering workspace setup, essential tools, and safety measures. It explains heating the soldering iron, applying flux, tinning the iron tip, placing components, heating joints, applying solder, cooling, inspecting, and cleaning. Emphasis is on practice and safety for successful soldering.