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diy bag sealer11 614x460 Using Springs as Heating Elements

unwinding a spring Using Springs as Heating Elements

Longtime MAKE pal Raphaël Assénat wanted to recycle his stash of anti-static bags for component shipping, and built an improvised heat-sealer to do it. It’s just a step-down transformer, some current-limiting resistors, a momentary switch, and a resistance wire made by uncoiling a compression spring. [Thanks, Raphaël!]

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c’t – Magazin für Computertechnik, and The Wall Street Journal.


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