My Blog Thoughts on hardware, software, space engineering, and everything in between. Decoding CTS-SAT-1 FrontierSat: Reading Every Byte of a Days-Old CubeSat May 2026 • Space · How I decoded all 41 telemetry fields from CTS-SAT-1 (NORAD 98318) just days after launch using firmware source and Kaitai Struct. Building Suniyo: An 8-DOF Quadruped Robot Dog with IK and Autonomous Navigation May 2026 • Robotics · 8-DOF robot dog with a 2D IK solver, three gait patterns, dual ESP32 hardware, and camera-based obstacle avoidance. Engineering a Custom Cellular Phone from Scratch May 2026 • Hardware · Building a fully functional mobile phone with SIM800L, a custom PCB, LCD display, and matrix keypad. Reverse-Engineering UWE-3 CubeSat Telemetry: Building an Open Decoder from Scratch February 2026 • Space · How I reverse-engineered the frame format of UWE-3 (NORAD 39446) and built an open Kaitai Struct decoder for SatNOGS. Building a Minimal 32-bit Operating System from Scratch January 2026 • Systems · Writing a custom x86 bootloader in NASM and a bare-metal C kernel that talks directly to VGA memory. Building a Web Framework in C: Linus Server + Custom DSL Compiler January 2025 • Systems · A raw POSIX socket HTTP server, a hand-written route scanner, and a scaffolding CLI — all in C.