2015-11-24, 19:00
Found these online, I hope these are helpful for your project.
http://www.carterlake.org/lightningdetector_1-wire.php
http://www.electroschematics.com/1021/li...-detector/
http://www.carterlake.org/lightningdetector_1-wire.php
http://www.electroschematics.com/1021/li...-detector/