Makefile Tutorial: Taming the Beast
A practical Makefile tutorial: targets, variables, pattern rules, and the command-line flags you actually use day to day.
Posts
Talking USBTMC: From Boring Descriptors to Glorious SCPI Replies
How USBTMC works under the hood — descriptors, endpoints, and message framing — plus getting a device to answer SCPI commands like *IDN?.
MicroPython on STM32: Because Blinking LEDs is a Lifestyle
Getting MicroPython running on an STM32F411CE board — flashing the firmware, reaching the REPL, and the obligatory LED blink.
Deploying luoyao.info with Hugo, Nginx, and Cloudflare on Debian 12 Lightsail
Full walkthrough of deploying a Hugo site on a Debian 12 Lightsail instance with Nginx and Cloudflare Full (Strict) SSL.
Why I’m Blogging Again
Why I returned to blogging after a decade away — a digital notebook for firmware notes, running logs, and kitchen experiments.