In my second try I think I found the issue. My battery has a different jst connector than the lolin32 board so I used an adapter. However the black and red cables are the wrong way when connected. Since I can not find any other jst 1.25 to 2.0mm adapters, can I just cut them and resolder them in the ...

Hi ESP_Sprite,

Thank you for the quick and informative reply.
Since nothing else was connected, the only issues could be the LiPo, board or USB multimeter (to measure current draw).
I have quite a cheap board, so maybe it was broken from the beginning. Or I messed up the soldering.

I have a few ...

Hi ESP 32 Community,

I am happy that I found this place.
I am a esp and microcontroller beginner and playing around with a WeMos lolin esp 32 and distance sensors. Anyways I bought 3.7V LiPos and charged one just fine with the esp32. Afterwards I wanted to run the esp32 on the lipo and connected ...