Quick demo of fully-modded Stern “Trident” pinball with new rules and sound

After getting my Trident operational, I installed the BSOS system and have been working on fine-tuning the custom code and sounds. Here’s a short demo of what the new Arduino-based controller does to a standard Bally 18/35/Stern early solid state game.

Resources (courtesy Dick Hamill):

The code is all available on GitHub. It’s broken down into a base library and then machine-specific implementations. Rewriting other games requires a moderate knowledge of C/C++.

Here’s a suggested parts list. If you bought all these things, you could create 6 of these boards. If you don’t need that many boards, you might find cheaper ways to source smaller quantities. I haven’t done any work to figure out if this is the cheapest way to source any of this stuff.

Cheap Arduino knockoff x6 ($20.99) – needs CH340 driver for programming / has to be ATmega328P

0.1″ 40-pin connector (40 pieces for $7.99)

32-pin Prototype PCB (2 pack for $9.99) – this won’t work for Alltek or MPU-200 because they have a 34-pin connector

Wire ($7.99) – tons of wire

74125 – ($1.95) https://www.jameco.com/z/74125-Major-Brands-IC-74125-Quad-Tri-State-Bus-Buffer_49373.html

Boot switch – x2 ($8.99) this switch will work for activating the Arduino board and toggling the speaker (see the writeup here to find out why: https://ballysternos.github.io/install.html)


@RoyGBev has created a PCB and kit (doesn’t include the Arduino) here:

Inside the custom pinball machine, “This is Spinal Tap”

In the coming months, in addition to my regular chaotic addition of various repair, gameplay and maintenance videos, I’m going to be undertaking a new creative endeavor: making a custom pinball machine. As part of this process, I took a trip to the Texas Pinball Festival, paying close attention to what other people have done in this area. Here is a video of another enthusiast’s passion: a custom pinball machine themed after the movie, “This is Spinal Tap”. Here’s an impromptu video I shot while having a chat with the developers. I hope you enjoy it.

The New P-cubed P-ROC-based prototype pinball demo’d at TPF

One of the coolest things to show up in the community in years is the P-ROC system, a custom boardset that allows interfacing a computer to traditional pinball games or the creation of entirely new games. At TPF 2012, developer Gerry Stellenberg shows off his new prototype game system called P3 (p-cubed) which incorporates a number of unique and innovative features.

Check out this exclusive video where I talk one-on-one with the principal developer as he shows off the groups’ creation: