DIY: How to Build a Burning Laser Without any Soldering!

  styropyro
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How to build a burning laser without any soldering, and best of all, in an Altoids tin! This is probably the easiest burning laser one can make, and it doesn't cost much either. Parts list: 200mW rated laser module:  ... 

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DIY: How to Build a Burning Laser Without any Soldering!
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