Need a second set of eyes on feasibility of a 3 way fireplace design

[Idahowalker]

@kaadk

Uno, just with less onboard features?

What gives you the impression that a Uno has more features than an ESP32?

Here is a link to the ESP32's API, you may see that the ESP32 can do a whole lot more then an Uno, API Reference - ESP32 - — ESP-IDF Programming Guide latest documentation (espressif.com).