In this project I am going to show you how to make a joule thief and put it in a jar. This joule thief is a simple circuit that will take an old “dead” AA or AAA battery and up the voltage enough to power an LED. I use these as decorations and to completely drain batteries that are too “dead” to work in other devices. Note: The only unique idea here is to stick one of these circuits into a plastic jar. The circuit is not mine. Read on…



