| Pin | Description | |
| 1 | 3.3V | |
| 2 | BT/WiFi Reset | |
| 3 | BT RXD | |
| 4 | BT RTS | |
| 5 | BT TXD | |
| 6 | BT CTS | |
| 7 | WiFi wake up | |
| 8 | WiFi TCP | |
| 9 | BT/WiFi Switch | |
| 10 | GND | |
| Stepping motor |
| |
| Pin | Description | |
3 | 1 | OUT1 | |
2 | OUT2 | ||
| |||
| 3 | OUT1 | |
| 4 | OUT2 | |
| Download F/W connector |
| |
| Pin | Description | |
| 1 | 3.3V | |
| 2 | GND | |
4 | 3 | RESET | |
4 | BMS | ||
| |||
| 5 | NPCS0 | |
| 6 | MOSI | |
| 7 | MISO | |
| 8 | SPCK | |
| Head open sensor |
| |
5 | Pin | Description | |
1 | HEAD | ||
| |||
| 2 | GND |
6USB & RS 232 connector
712V DC IN
8TPH connector
4
