I've been playing with a Flic Hub LR and some Flic 2 buttons. They're "smart home" buttons, but for me they've got a killer selling point: rather than locking you in to any particular cloud provider (although you can do this if you want), you can directly program the hub. This means you can
https://danq.me/2022/06/22/flic-2-mail-and-milk/