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  1. Hello i'm a compsci undergrad and for a small project i have to drive a led strip using the Nexys4 DDR board. My question is very simple and while the VHDL part of the project works alright I have a doubt about the intergraton with external hardware. As the title says I have to drive a led strip using the board, the led strip is composed by a series of WS2811 IC led controllers each connected to 3 5050 RGB LEDs. According to the WS2811 datasheet the chip needs 12V in but the board can't provide such high voltage so I have to use an external PSU for it. At the moment I'm just using the 5V