47
Low cost Zigbee GU10s via Ikea (UK)
(www.ikea.com)
Home Assistant is open source home automation that puts local control and privacy first.
Powered by a worldwide community of tinkerers and DIY enthusiasts.
Home Assistant can be self-installed on ProxMox, Raspberry Pi, or even purchased pre-installed: Home Assistant: Installation
Discussion of Home-Assistant adjacent topics is absolutely fine, within reason.
If you're not sure, DM @GreatAlbatross@feddit.uk
Better than that, if you are after more than one (and with GU10s, who isn’t?)
https://www.ikea.com/gb/en/p/tradfri-remote-control-kit-smart-wireless-dimmable-white-spectrum-50517642/
This gives you 3 bulbs and a handy remote that also works with HA.