--- title: "Parth Sinha (@neo-dev) | Hashnode" description: "Parth Sinha (@neo-dev) writes on Hashnode. Read their latest articles and follow their work." url: "https://hashnode.com/@neo-dev" --- @neo-dev # Parth Sinha @neo-dev · Oxford · Joined November 2026 [Website](https://parthsinha.com/) ### [What's inside an FPGA, explained with a Tang Nano 9K](https://eduparthsinha.hashnode.dev/what-s-inside-an-fpga-explained-with-a-tang-nano-9k?utm_source=hashnode&utm_medium=feed) Notes for people coming from Arduino and ESP32: IOBs, CLBs, LUTs and where the bitstream lives. 3 min read · [eduparthsinha.hashnode.dev](https://eduparthsinha.hashnode.dev/what-s-inside-an-fpga-explained-with-a-tang-nano-9k?utm_source=hashnode&utm_medium=feed) [18m ago](https://hashnode.com/posts/what-s-inside-an-fpga-explained-with-a-tang-nano-9k/6af709be7d376ea487728d3e) ### [I built a small RISC-V computer inside a Tang Nano 9K FPGA](https://eduparthsinha.hashnode.dev/i-built-a-small-risc-v-computer-inside-a-tang-nano-9k-fpga?utm_source=hashnode&utm_medium=feed) A PicoRV32 CPU, a hand-written UART, a 46× hardware accelerator and an HDMI console on a Tang Nano 9K, built with open-source tools. 3 min read · [eduparthsinha.hashnode.dev](https://eduparthsinha.hashnode.dev/i-built-a-small-risc-v-computer-inside-a-tang-nano-9k-fpga?utm_source=hashnode&utm_medium=feed) [22m ago](https://hashnode.com/posts/i-built-a-small-risc-v-computer-inside-a-tang-nano-9k-fpga/6af70901392a33dae6f246b2) ### [Why AES does its byte math in GF(2⁸), with a step-through multiplier](https://eduparthsinha.hashnode.dev/why-aes-does-its-byte-math-in-gf-2-with-a-step-through-multiplier?utm_source=hashnode&utm_medium=feed) Why AES can't use integers mod 256, how GF(2⁸) treats bytes as polynomials, and an interactive multiplier that shows each shift and XOR with 0x11B 3 min read · [eduparthsinha.hashnode.dev](https://eduparthsinha.hashnode.dev/why-aes-does-its-byte-math-in-gf-2-with-a-step-through-multiplier?utm_source=hashnode&utm_medium=feed) [1h ago](https://hashnode.com/posts/why-aes-does-its-byte-math-in-gf-2-with-a-step-through-multiplier/6af6fc872d7540c675abd8fe)