Going from the first to the second version (with 2 arduinos) Example of WS2812B led strip, notice the white arrow next to the data pin, indicating the correct side to add more leds As there wasn’t enough ports on the nano (and that a mega was too big), I needed to add a second arduino. So, in order to control every led of my system, I needed to wire each fan data line to a dedicated port on the arduino. Unfortunately, only an input port was available, meaning that you were not able to chain the devices and control their leds individually. The window mounted on the pc with the arduino control box in a HDD slot (on the left) and the WS2812B leds mounted on the window (on the right) My custom software in C#Ī bit later, while adding RGB fans, I discovered that they were using the same type of adressable leds. This was my first attempt at controlling my RGB leds. On the software side, I developped a custom C# application, LedControl. This arduino was controlling cheap adressable RGB strips (WS2812B) powered by my PSU in 5v.

This was based on an arduino board, internally connected to my PC using USB. So, when I built my first desktop PC, I decided to create from scratch a custom RGB system. I was always interested in going furether than the pre-made RGB equipement by various manufacturers because each system was only compatible with only one brand (ex: iCUE, RGB Fusion, Asus RGB …) and that their RGB softwares were very unfinished and didn’t exploit the full potential of the RGB hardware.

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