Kindle 4 - Light

This light is made for Kindle version 4 (not the touch version).

The light come from a green LED, powered by the Kindle using the two small pads on the back on the kindle (I think those two pads were here to power a light built-in a cover ?).

Anyway, the two pads behind the Kindle can deliver 4V-4.1V.
My green LED works with approximatly 2.4Volts and 20mA current.
So I had to add a 100ohms resistor.

I added four magnets for the connexion between the LED and the Kindle, to allow me to