Containerize main VPS services one by one
Complete Compose stacks for VPS and home server, backup strategy
BlueZ, GATT, Python BLE client on embedded target
hostapd, wpa_supplicant, embedded WiFi in Yocto
Mesh firmware, Python API, MQTT bridge to existing infra
BitBake, layer model, build system basics, QEMU practice
BSP layer, working boot image, cross-compilation
Custom app layer, systemd, display, publishable portfolio piece