I've got all my lights and air conditioners wired up with ESPHome. They live on their own network, run open-source software and can't access the internet - or e

I've got all my lights and air conditioners wired up with ESPHome. They live on their own network, run open-source software and can't access the internet - or each other - at all. IoT done right is great. IoT where it's wall-to-wall corporate lock-in attempts sucks.