Emulating QNAPs IT8528 EC in QEMU 2026-03-21

Writing a custom QEMU device that emulates the IT8528 embedded controller in QNAP NAS units, so I can test my kernel module without the real hardware.

Talking Dirty (Dishes): Sniffing the Rinse Cycle 2026-02-19

A countertop dishwasher with a header labelled +5v GND RX TX on its control board. Sniffing the serial bus between the display and the main board, byte by byte.

Writing custom GRUB2 modules 2025-02-16

Writing a small GRUB2 module that sets my QNAP status LED from the bootloader, so I can tell when the NAS is still booting.

Monitoring and sending notifications via a Telegram bot 2024-09-21

A small bash script and curl that send me Telegram messages from my servers, for long running jobs, smartd and ZFS alerts.

Creating a Debian 12 (Bookworm) live USB w/ serial support 2024-02-13

Making a Debian 12 Bookworm live USB that boots and runs over a serial console, for machines with no monitor or keyboard like my NAS.

Adding a serial port to a QNAP TS-473A NAS 2024-02-12

Finding the hidden serial header on my QNAP TS-473A and giving it a proper port with a 3D printed PCI bracket, for a local shell and BIOS access.

Replacing a Roborock Ultra dock PSU (Error 35) 2024-02-05

My Roborock S7 MaxV Ultra dock started throwing Error 35. Tracking it down to a failing power supply and replacing it, step by step.