The wifi connector is for BTT WIFI module (16 pins)

| Board pins voltage | 3.3v |
| Board firmware | Marlin |
| Board configuration note | Enable second serial port (3) in the marlin configuration file |
| ESP3D configuration note | Raw serial, no SD |
The wifi connector is for BTT WIFI module (16 pins)

| Board pins voltage | 3.3v |
| Board firmware | Marlin |
| Board configuration note | Enable second serial port (3) in the marlin configuration file |
| ESP3D configuration note | Raw serial, no SD |