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Thursday 23 November 2017 at 22:44
Quoted from jwilson:I spy an OPP power filter board! I guess you didn't build everything in house.
Nice eye! OPP is some awesome stuff and their power filter board was the right fit and the right price.
Source: http://pinside.com/pinball/forum/topic/arduino-controlled-pinball-build-theme-perhaps-fifth-element#post-4088707