Digital spot welder control panel: easy to operate with a digital time display and adjustable parameters, providing accurate and reliable control of welding settings. The spot welder board features a clear digital display for monitoring time and parameter adjustments. Spot welding controller: helps achieve consistent and reliable welds, suitable for both DIY enthusiasts and professionals. Integrated with the Spot Welder Control Board to maintain repeatable welding performance. Pcb circuit board welding device: compact size and light weight make it portable. Small and easy to carry, enabling use wherever needed with the spot welder circuit board design. DIY spot welder controller: built from PCB and electronic components for durability and stability, using singlechip microcontroller control. Functional circuit board designed for reliable performance in welding applications. Use scenarios: In a home workshop or electronics lab, use this controller to perform precise spot welds for small metal projects, battery tab work, or assembling custom metal housings with repeatable timing. When building or repairing Liion or other battery packs, employ the compact controller to achieve consistent welds with controlled time settings, ensuring reliable cell connections. For hobbyist or professional metal fabrication projects, utilize the portable control panel to conduct spot welding on thin metals, tabs, or small joints where accurate timing and stable operation are required.