Battery broke so I made a homemade vape pen out of scrap electronics : r StonerEngineering Simple Coil Building 101 For Vaping Guide Fat Buddha Glass Vape Building Tools DIY Coil Kits and Tools Best DIY Vape Tool Kit 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. ### Simple Coil Building 101 For Vaping Guide Fat Buddha Glass