2 wire servo demo
Channel: matthew venn
Date: 2012-07-05

uses attiny13 on the servo end, an arduino controlled p channel mosfet on the other.
ATTiny13 code here:
https://github.com/mattvenn/arduinosketchbook/tree/master/energyPlotter/gondola
Arduino code here:
https://github.com/mattvenn/arduinosketchbook/tree/master/energyPlotter/_2wireservotest_sender

Circuit diagram here (only a 22uf cap is needed)
http://www.flickr.com/photos/matthewvenn/7394122408/in/photostream