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Building a Spot Welding Machine From a Microwave Oven Transformer : 7 Steps (with Pictures) - Instructables
![Spot welder, butt welding machine, 18650 battery spot welder, hand held spot welding pen, 900W pure copper microwave oven transf _ - AliExpress Mobile Spot welder, butt welding machine, 18650 battery spot welder, hand held spot welding pen, 900W pure copper microwave oven transf _ - AliExpress Mobile](https://ae01.alicdn.com/kf/HTB1rXn2SpXXXXcSXVXXq6xXFXXXO.jpg_640x640q90.jpg?size=242316&height=480&width=640&hash=5d966ae1031e3e5dc7efdff8775e3c9c)
Spot welder, butt welding machine, 18650 battery spot welder, hand held spot welding pen, 900W pure copper microwave oven transf _ - AliExpress Mobile
![Building a Spot Welding Machine From a Microwave Oven Transformer : 7 Steps (with Pictures) - Instructables Building a Spot Welding Machine From a Microwave Oven Transformer : 7 Steps (with Pictures) - Instructables](https://content.instructables.com/FZN/8BTP/JRQONYAT/FZN8BTPJRQONYAT.png?auto=webp)
Building a Spot Welding Machine From a Microwave Oven Transformer : 7 Steps (with Pictures) - Instructables
![Microchip Makes on Twitter: "DIY spot welder made with a microwave oven transformer and an Arduino: https://t.co/26od7cOBmY https://t.co/c2iDcM2W1t" / Twitter Microchip Makes on Twitter: "DIY spot welder made with a microwave oven transformer and an Arduino: https://t.co/26od7cOBmY https://t.co/c2iDcM2W1t" / Twitter](https://pbs.twimg.com/media/ETVa2iPXgAAvTS5.jpg:large)