About everything is now “smart” in our house, including the light in the barn back in our garden. I work in ICT for decades now, but i have an electronics background (worked for years at Philips and Panasonic as service engineer before i made the switch to ICT), so i built some of the stuff myself. I bought light bulbs, sensors and hubs, but everything else i made myself. Smart ledstrips included. ESP’s are real cheap, but very versatile. Really love’em.
I tried Ikea Tradfri, had a hub and some white bulbs and stuff, but Tradfri caused nothing but problems and lost it’s key for the connection at every reboot of the HA server, so i ditched Ikea and replaced all Ikea stuff with Tuya RGB bulbs. Much better.
I built the server from spare parts i had, so no cost there.
i now have:
2 xiaomi hubs 40,-
2 xiaomi zigbee bulbs 20,-
9 xiaomi zigbee motion sensors 90,-
6 xiaomi zigbee switches 60,-
8 wifi rgb bulbs 42,-
1 ESP8266 outdoor temperature sensor 4,-
2 ESP8266 5mtr ledstrips, 1 white 1 RGB 10,-
1 ESP8266 wifi power meter reader 5,-
1 ESP8255 doorbell 4,-
3 ONVIF security cameras 60,-
1 smart wifi dimmer 20,-
Hassio Server running Linux Debian10 0,-