Hi, started fiddling with arduinos just a month or two ago. I come from a programming background but am totally clueless about electronics (can't read schematics, don't know how stuff works), so please bear with me.
I'm looking for the easiest way to power a Wemos D1 Mini using batteries. I don't want to play with LiPos since I don't want to take a fire hazzard risk. I (presumably) don't want 18650 because I don't know how I would charge it. So the easiest, safest and most convenient seems to use AA batteries. The board will be in deep sleep for weeks at a time and when fired, it will log in wifi, send a http request and go back to sleep.
Now, I've come across this reply (esp8266 - Power D1 mini with 4 AA batteries - Electrical Engineering Stack Exchange) which says that the 5v input goes to a 3v3 LDO and that I can use 4 AA batteries without a need for any other parts (ie LDO).
Could someone please check if that is the case? The schematic from the site I bought the ESP from is here (https://www.laskakit.cz/user/related_files/wemos_d1_mini_schematic.pdf).
Also, I assume it would be fine to have a battery box. But what do I do with the wires? Solder one to the 5V pin and one to ground? Can I have more wires connected to the ground? I'm going to be using a reed sensor where one wire goes to a GPIO pin and one to the ground.
Any other things I should be aware of?
Thanks!
