Earlier quoted context omitted.
> so 1000 presses would last you over 19 years I've been wondering about that. They say you can use it to control lights/netflix. If you don't want 10s delay it has to do wakeups every 30s or so depending on the wifi setup to stay connected to the network. And wifi transmission is quite power expensive. If it does that, I wouldn't give it more than a year (maybe more like a few months). If it doesn't, the latency mus…
An ESP8266 can go from deep sleep to publishing a request in less than three seconds. The expensive operations are the DHCP request and the DNS query, but that can be cached for hours, often even days.
I used to be irritated with cheap led bulbs that took almost a second to light up. And with a wall switch you are pretty sure whether you flipped it or not. With such button during those 3s you'd be wondering whether you should press it again or not (unless it beeps or something like that).