GE Color Effects hacking for the nautically inclined

ge-color-effects-controller

[Jim] wrote in to share some work he did with GE Color Effects LED lights in an effort to create a light display for his boat. He saw our coverage of the Color Effects G-35 hacking efforts by DeepDarc last year, and knew that they would be prefect for the boat. He did some careful scouring of eBay to score 8 strings of lights at bargain basement pricing, then he got down to the business of hacking them.

He originally built a control circuit using a single PIC18F, but just before he started to put everything together, he realized that wiring everything up would be a huge undertaking. Going back to the drawing board, he decided it would be best to replace the lights’ stock board with one of his own. Now, he uses a single master controller board to send messages to his slave “pods”, significantly cutting down the amount of wiring required for the project.

The display looks great as you can see in the video below, though as many do, [Jim] has plenty of improvements in mind for the future.

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G-35 Christmas lights do make a great LED matrix

This fully-addressable RGB LED matrix was built by [John Graham-Cummings]. He didn’t start from scratch, but wisely repurposed a strand of GE Color Effect lights and built a pleasant looking case in which to mount the G-35 hardware.

We’ve seen this hardware used in a similar way before. Because each ‘bulb’ has its own microcontroller, color data is shifted in via a serial bus. Orient the modules in any pattern you choose and account for that layout in software.

Since the strings have 50 bulbs, [John] simply cut off the one on the end to form his 7×7 matrix with the remaining 49 units. A square of plywood with a grid of holes holds each in place. Cord mess is not a problem as the extra was cut out and the remainders were soldered together again. [John] uses an Arduino Pro to feed in the data, which you can see for yourself in the clip after the break.

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