15
Amcrest IP4M-1041B + Home Assistant
(www.amazon.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. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io
More or less the same setup, only I used the frigate HA integration to access the feeds. Was very nice up until the machine running frigate cooked the nvme.