MiiElAOD Tang Nano 9K FPGA Development Board Gowin GW1NR-9 RISC-V HDMI (Tang Nano 9K)

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A fun little Chinese FPGA that comes on a dev board for a very attractive price. The included ports are useful if you're going video work. The chip is quite capable, with enough LUTs to do complex and useful designs. The cost of the product is less than the cost of the parts. The FPGA is fast enough to handle 2K HDMI with relative ease. I used it to create a bus to FIFO to frame buffer system for a simple computer video system. The software is free. It's quite capable, but does suffer from poor translations and some odd little limitations. That said, it's a very workable IDE and the available component libraries include a useful set of digital video, memory (including DDR) and common port blocks. I recommend this to people who would like to learn Verilog or VHDL without investing too much - you can have a whole working dev system including a few dev boards for under $50 - or just one for the cost of..... Just one. :D This is really a no-brainer board if you want to explore FPGAs, are a maker, or are looking for a low cost entry into a whole new world where you can learn enough to invest in the right toolchain later. (When you learn an FPGA system/family, you are really learning the toolchain and then finding the part that fits your needs. The software is the tool, not the FPGA itself.)

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I bought this out of curiosity to learn about programming FPGAs in Verilog. Given its low price, the Tang Nano 9K has worked out very well for that purpose. I have enjoyed experimenting with it. The FPGA on the board is made by Gowin which offers a free version of its toolset for educational purposes. It works well with this board, especially on Windows. On Linux Ubuntu 22.04, the programmer and the "analysis oscilloscope" do not work for me, but programming can be done by openfpgaloader. The Tang Nano fits on a breadboard and has enough capacity to support interesting projects such as running a small soft risc-v core. There is a quite a lot of documentation, but it is not always very good. It tends to explain the obvious while leaving deeper questions unanswered. But it is useful. There is also a sipeed wiki page that helps you get started. I had no trouble getting started with it, although I am not a complete beginner.

I used Yosys instead of the manufacturers choice of software and learned Verilog. I had some ideas about clock generators, and it did all I needed it to do. I'll probably buy another at some point.