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This YouTuber made his own battery spot welder from an old microwave using Arduino

Reading Time: 2 minutes Arduino Team — September 11th, 2021 YouTuber Robert Dunn (known as Under Dunn) had just received a large box of loose cylindrical battery cells and therefore wanted to join them together to create a large battery pack. Ordinarily, this is accomplished by utilizing a specialized type of tool called a battery spot welder that is […]