A webpage to document and share my open-source software/hardware projects.

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Struggling solenoids and weak power supplies in pinball

I was playing the Indiana Jones game at Seattle’s Pinball Museum when the owner came by to turn the game off after I was finished. I asked why, since all the other games were on and being played. He said that the power supply overheats after the game has been played for a couple hours Continue Reading

Capacitor problems on Bally’s “Hardbody” pinball game

This is my first post talking about pinball, a hobby I picked up when I moved to Seattle. Pinball is a great hobby for an analog electrical engineer like myself for many reasons: first, it’s a great way to meet people (either by challenging other folks to a multiplayer match, or participating in a tournament) Continue Reading