I’m making an IR ‘blaster’ for the various devices in the loungeroom - screen, amp, lamps etc. It’s designed to be just a single button to turn everything on/off with a series of IR codes.
What’s the best way to power this? I want to use a Wemos D1 mini 8266 so that in the future I can upgrade it to use MQTT over WiFi, and because they are a nice small board. The case I have for the remote is quite small.
I know how to put an 8266 to sleep, perform an action on wake then go back to sleep; at this stage that’s all that’s needed.
I was thinking of one of the common step up DC-DC boards and a CR123A battery, is there a better way to be doing it? The DC-DC conveter would be connected to the battery all the time, I can’t see a way to avoid that. Or is there an agreed on best method of powering a loungeroom remote like this from a battery?