sys.blog
// Engineering notes, robotics experiments, and code snippets
posts:3
topics:robotics, software, hardware
status:active
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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.
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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.
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Welcome to My Technical Blog
Starting a new journey of documenting my work in robotics, software development, and engineering.