I use a battery with a size of 4 × 1900mah, With a time of 30-60 minutes
Due to lack of rear weight, turning right is difficult
I know what you mean I have seen couple of Ottos on the web with Wemos or ESP82665
One of them was on the cover of an Australian magazine! Double Trouble - Biped Robot - DIYODE Magazine6
Robot/7-1 Otto at master · kdi6033/Robot · GitHub 8 who knows Korean?
This one in Where ideas get made. | Wikifactory 12
and there are couple more with ESP32 which I tried to gather here GitHub - OttoDIY/OttoDIYESP: build you own internet of robots! 7 we can't use same libraries without conflicts but there must be a way to make them compatible with... (More)