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As shown in the image above, you have eight signals to deal with.

No matter which language you decide to use, you should give the project some thought before you begin. This is a simple FPGA design, but going through the code and the build process will get you comfortable with everything before we get to more complicated designs. When the button SW1 is released, D1 should turn off. When Switch 1 (SW1) is pushed down on the Go Board, we want D1 to light up. The image to the right shows what this looks like. Again, we are going to be creating code that tells the FPGA to light up one of the four LEDs when a particular switch is pushed. The first thing you are going to do is create your VHDL or Verilog code that tells the FPGA what to do. The Go Board tutorials build on eachother, so it's important to do them in order and remember what you learned! Let's get started! Note that this project is 90% the same should you be learning VHDL or Verilog, so I lumped both into the same lesson. From coding the VHDL or Verilog, to building the FPGA bitstream, to programming the Go Board, this tutorial will walk you through everything you need to know. This is a perfect project to do first, because it will take us through the entire build flow. All we are going to do is program the FPGA to perform one task: When a button is pushed, one of the LEDs should light up.

Now it's time to get cracking! The first project that we are going to do is going to be as simple as possible.