Kayman I'm running a few for almost a year, battery is around 50% now. So they last pretty long...

Kayman Picture 8 in the description.

Kayman No, because it needs the up side out of the water to allow it to make the 'mist'. Under water it just wouldn't do anything.

Kayman You don't need anything but a USB cable and for instance Arduino to add your own programs.

Kayman Iused the TFT_eSPI library and just added the correct size and all worked as expected. You might take a look at that library to get the actual settings? It also has a lot of examples that worked out of the box for me.

Kayman Don'tknow about any chocolate ones but all of my 18650's work fine with these. Just know these can become rather warm (by design) if you put on power hungry devices (like a tablet or so)

BG484301423 You can only access one side at a time using a standard breadboard, this is kind of default for any ESP32, so not just this one. Now, this might be enough in quite some cases, as long as you can find what you need on one side. In other cases it's better to use 2 (small) breadboards and put the right side in one breadboard and the left side in another one. Works perfect and gives you enough space also.

BG484301423 Yeah, not all esp32 are equal... The esp32 cam fits fine, so does the ttgo but that's about it (at least for the boards I own) These just have the correct width, but have less pins so it's not 'fully' compatible either. It does mention it's for the keyes esp32 so I assume that's actually correct as they have a bit of a differen formfactor compared to standard. Then again, what is the standard anyway...