1, Connect the machine with your computer and then open Snapmakerjs.
2, Follow the below steps to open the console.
1) Please click 
to refresh all the available ports, and then choose the right port.
The console will reply “ok” to show the successful connection.
If you choose the wrong port, you cannot control the machine with the computer.
2) Click 
to open the console.
3) Please check if the computer recognizes the connected module.
3, You can enter commands you need in the console.