It is good to know if the tiny shocker is on or not, by adding a
wonderful invention called the "LED", so you don't risk get
bitten by the shocker again!  Disclaimer: This shocker can be
dangerous if used improperly, it gives out about 400 to 450
volts, so I am NOT responsible if you or anybody are injured or
killed by the shocker, the responsibility is yours...  Improved
instructable! I have been asked by comments and email how to
attach a LED to a shocker to indicate it is on. So I then decide
to make another instructable how to do that.  And, I have copied
and pasted everything from my original shocker instructable onto
this instructable and greatly improved the text on every step,
also added more steps and replaced some pictures. I am hoping it
would be less confusing to you and understand the project better
so you can have an higher success in completing this project.
:-)  If you do find anything confusing or an error on this
instructable, please let me know and I'll fix it.  Step 1: What
type of disposa