here are some of the kind of things you can expect to turn up here
Alternative operating systems for Raspberry Pi
Ubuntu on MacMini
MQTT with sensors
Telegraf / InfluxDb / Grafana for dashboarding sensor data
Retool with FastAPI to build low code solutions
Gadget mode on Pi
Micropython on ESP32 devices
Excel function examples for data mangling
and maybe some old stuff on how to use linux as a network emulator