// blog
Fieldnotes
Teardowns, robotics experiments and engineering notes — the things that don't fit in a commit message.
- 01 2026-09-28 Four V100s, Two Islands: Six Weeks Running a 27B Model on 2017 GPUs Getting Qwen3.8-27B from 31.8 to 74.5 tok/s on four retired Tesla V100s - where the time actually goes, what worked, what didn't, and why speculative decoding won on benchmarks and lost on real work. 11 min read
- 02 2026-08-13 Reviving an Enterprise Wi-Fi Access Point: Porting OpenWrt to the Extreme AP-7562 How I turned a decommissioned enterprise access point into a real Linux box - serial console archaeology, a device tree written from scratch, a NAND flash chip that refused to cooperate, and the memory-mapped shortcut that finally cracked it open. 12 min read
- 03 2026-03-11 Inside an Ecovacs Deebot: ROS Architecture, Security Issues, and Custom Firmware Deep dive into the internals of an Ecovacs Deebot T8 running ROS Melodic - from getting shell access to custom firmware reflashing and uncovering security vulnerabilities. 13 min read
- 04 2025-06-27 Welcome to My Technical Blog Starting a new journey of documenting my work in robotics, software development, and engineering. 1 min read