What's inside an FPGA, explained with a Tang Nano 9KNotes for people coming from Arduino and ESP32: IOBs, CLBs, LUTs and where the bitstream lives.3 min read·eduparthsinha.hashnode.dev9m ago
I built a small RISC-V computer inside a Tang Nano 9K FPGAA 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.dev12m ago
Why AES does its byte math in GF(2⁸), with a step-through multiplierWhy 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 0x11B3 min read·eduparthsinha.hashnode.dev1h ago