Battery broke so I made a homemade vape pen out of scrap electronics : r StonerEngineering How Becky Stern Makes a Vape Synth: Turn E Waste Into a Musical Instrument Vaping Land There is a tiny component inside disposable vapes that people mistakenly assume is a microphone. It is not. It is a special sensor that causes the heating element to produce vapor when triggered. ### Love making use of used vape batteries, not pretty but here is a decent 12V battery pack with battery manegement.