DIY Resistance Welding Machine Control Board – Precision, Safe, and Reliable This welding machine control board is designed for DIY projects or simple resistance welding applications. Developed as an independent controller, it uses the SCR phase shift trigger principle to precisely control welding time and current for accurate, repeatable results. Key Features and Benefits: Precise Welding Control Adjust welding time and current intensity easily, achieving consistent welds tailored to your project needs. IndustrialGrade Microcontroller Technology Equipped with an STM8 industrial control center microcontroller for stable and efficient performance. Enhanced Electrical Safety Strong and weak electrical signals are isolated through an optocoupler, ensuring safe operation during all welding tasks. Convenient Connections Power line and foot switch line feature bolttype quick connect terminals, offering fast installation and secure connections. Accuracy Adjustment Input welding parameters using a precision simple potentiometer for reliable, accurate settings every time. Clear Status Indicators Builtin LEDs display power supply status, foot switch trigger status, and welding operation status for easy monitoring. Zero Crossing Detection Reliable accuracy zero crossing detection circuit ensures precise SCR phase shift timing for welding control. Applications: 1. Battery Pack Assembly – for welding nickel strips to battery terminals with clean, strong connections. 2. Metal Craftwork – Ideal for smallscale metal joining in hobby projects or prototype creation. 3. Electrical Repairs – Suitable for spot welding tasks in circuit assembly, terminal , or wiring projects. Technical Highlights: Controller Type: Independent SCR phase shift trigger circuit Control Method: Adjustable welding time and current via potentiometer Core Processor: STM8 industrial microcontroller Safety: Optocoupler isolation between and low voltage circuits Connection Method: Bolttype quick connect terminals for power line and foot switch Indicators: Power supply, trigger, foot switch, and work status LEDs Detection: Zero crossing detection circuit for precise timing This control board offers a combination of precision, safety, and reliability, making it a practical choice for DIY enthusiasts, technicians, and smallscale manufacturing applications. By integrating advanced control features and a userfriendly design, it helps ensure consistent welding results for a variety of projects.