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Linked Playground Notes

  • Bringing My Godzilla Collectible To Life

    So this all started right after Thanksgiving 2025 when it was time to put up the Christmas tree. Normally, we put the old Lionel train in a boring circle around the tree. That is about all the room I have for it. So I decided to get some N-scale trains so I could be more ambitious with a train layout. So what kind of scene do we build? Sleepy Christmas village? Nah, Godzilla smashing things up, of course. So I had the idea of taking an 8" Bandai Godzilla Minus 1 Ichibansho Figure

    Godzilla and building a diorama around him. But then I had the idea of making his dorsal fins light up with a NeoPixel strip. This meant learning how to use a microcontroller and making the lights do the atomic breath pattern. And I was hooked. So the trains are now put away, and I have been working on a system for putting action figures on a stepper motor controlled turntable. That system has a dedicated esp32-s3 with a tmc2209 stepper driver and a basic NEMA 17 stepper motor that is accurately positioned using an AS5600 magnetic encoder. Using WiFi, I control the turntable with a built-in web app or via Python software running on my Mac or Raspberry Pi 5. The software can choreograph mock battles, or silly dance routines. It also allows me to use a PS4 Dual Shock controller to manually control the turntable.