Speaker In A 9v Case!

I was thinking about a little portable Speaker to build. But I was thinking About the enclosure for it, so I cameUp with 9v battery case. Parts And Tools. 1: dead battery2: piezo speaker3: 3.5m audio jack4: little piece of foam5: piece of plastic (Tools)Soldering ironPliers Super glueSand pa...

By: money bags



Continue Reading »



from Instructables: exploring - technology http://ift.tt/1xOQApY