Here is the original schematic: http://scienceblogs.com/brookhaven/2011/01/24/so-you-wanna-rebuild-one-of-th/ http://scienceblogs.com/brookhaven/2011/01/24/so-

Here is the original schematic: http://scienceblogs.com/brookhaven/2011/01/24/so-you-wanna-rebuild-one-of-th/ http://scienceblogs.com/brookhaven/2011/01/24/so-you-wanna-r... There is a clone using a microcontroller, but I won't link to that abomination.