Use this audio bubble level for your DIY projects

My friend Ron is blind and does a lot of carpentry and DIY work. One challenge he ran into is the need for an accessible level for putting up shelves and the like. So I put together web-based audio level that uses the orientation sensor in your phone or tablet. &#xA; The level is designed to be used with the screen up and the back of your device against the plane you&rsquo;re trying to level.…