DIY Mini Spot Welder ⚡ "Tiny SMPS Pulse!" DIY mini spot welder based on SMPS architecture: flyback transformer, power MOSFETs, and dual-stage filtering on both the primary and secondary sides. This prototype packs the basic logic of a real spot welder into just a few centimeters: focused pulse, capacitive buffering, and pulsed switching, just like compact spot welding systems. Small size, surprisingly powerful secondary response ⚡🔥 Engineering pushed to the limit with the bare minimum. Comment
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Mini SMPS Test: MOSFET-Driven Flyback Transformer Quick experiment: testing a small switching power-supply transformer driven with a MOSFET and a 3.7V Li-ion battery. Flyback-style setup with freewheeling diode and gate resistor. In the video I show the primary drive behavior and the response on the secondary. If you want the full schematic or wiring diagram, let me know in the comments 🔧⚡ #electronics #engineering #diytech #prototype #hardware | Rodaolok
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