The next time you are thinking about a mod, and have some features you can’t figure out how to keep attached, try glue.  Instead of paying through the nose for conductive epoxy from a specialist store, make your own with the help of a link on MAKE:Blog.  Paint on circuits, use it as solder, or maybe even redo the old pencil trick mod, permanently.
“There are many kinds of conductive epoxies, glues, and rubbers available. Unfortunately, they are for the most part quite expensive. So, for more than four years, I have been trying every possible combination of likely elements, compounds, and solvents that I could get my hands on, in order to make my own truly affordable conductive glue. While I have found several that have excellent low conductivity, they tend to be quite brittle and have a tendency to crack. The conductive glue presented here does not have these problems.”

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