Inline installation
Connects between the factory electronics PCB and the original four-pin cyclotron LED harness.
RGB LED controller
PixelBro84
A plug-in controller for the Hasbro 1984 Proton Pack that allows you to use aftermarket RGB LED Pixels in the cyclotron, change colors and settings, and adds synchronized output for optional addressable cake LEDs.
Highlights
Color control without rebuilding the pack
PixelBro84 installs inline with the factory LED harness and stores its selected configuration for the next power-up.
Saved color settings
Cycle cyclotron colors from the device button and preserve the selected color across power cycles.
Optional cake LEDs
Provides a synchronized JST-SM 3-pin output for compatible addressable LED strings.
Browser configuration
Fine-tune from USB
Use the web configurator to set LED count, color order, direction, animation colors, offsets, and test patterns.
Connect
Use desktop Chrome or Edge and a data-capable USB-C cable.
Open configurator →Configure
Adjust cyclotron and cake LED behavior, then test individual positions before saving.
Read setup steps →Update
Download current firmware and review changes through the project releases page.
View releases →