Creality Ender 4 board
You will need to solder to small circle, or to the legs of the ATmega2560 (RXD0 pin 2, TXD0 pin 3)
| Board pins voltage | 5v |
| Board firmware | Marlin |
| Board configuration note | None, it use same serial as USB port so don’t use both together |
| ESP3D configuration note | Raw serial, no SD |