I ended up getting several Tasmota based devices from https://www.athom.tech/ https://www.athom.tech/. Run your own RabbitMQ like service to control them, and n

I ended up getting several Tasmota based devices from https://www.athom.tech/ https://www.athom.tech/. Run your own RabbitMQ like service to control them, and no internet needed. They're super cheap, open-source, and flashable with your own firmware if you want.