A node module for communicating with bambulab printers. Currently still a work in progress. Only tested on p1s
Install the npm package
npm i bambu-link
# or
yarn add bambu-link
# or
pnpm add bambu-link
# or
bun add bambu-link
Then import bambuclient
import { connect } from 'bambu-link'
Connect to the printer
const client = connect({
hostname,
token,
serial,
port: 8883
})
Read messages using
client.service.on('message', (topic, message) => {
console.log(message.toString())
})
Sent messages to the printer using
const actions = await client.actions;
actions.system.pushAll() //Lists current status of printer
actions.system.chamberLightOff() //Turns off chamber light
actions.system.chamberLightOn() //Turns on chamber light
actions.gcode.fanSpeed(AUX, 255) //sets the aux fan to max\
first wait for for connection to the printer with
const actions = await client.actions;System actions can be called using actions.system.actionName()
pushAll()Returns current information about the printergetVersion()Returnes information about the printer versionchamberLightOn(),chamberLightOff()Turnes on and off the chamber light
Gcode actions can be called using actions.gcode.actionName()
fanSpeed(fan, speed)fan can be CHAMBER, PART, or AUX. speed can be any number between 0 and 255tempControl(tool, temp)tool can be BED or EXTRUDER. temp is the target temperature in celsiushome()locates the position of the toolhead and prevents it from trying to move to far.move(axis, distance)axis can be X Y or Z. distance is how far you want to move WARNING: using move before home can cause the printer to try and move to far and could cause wear
This example connects to the printer, turnes the light on and, heats the bed to 60 and then waits for it to reach that temp
import { connect, MessageType } from 'bambu-link'
import 'dotenv/config'
export async function main() {
if (typeof process.env.TOKEN === 'undefined' || typeof process.env.SERIAL === 'undefined' || typeof process.env.HOSTNAME === 'undefined') {
console.error('Please set the TOEKN, SERIAL, and HOSTNAME environment variables')
process.exit(1)
}
const token = process.env.TOKEN //token is found in the printer network settings
const serial = process.env.SERIAL //serial is found in the printer settings
const hostname = process.env.HOSTNAME //Ip address of the printer. Ip addresses can change so it is recommended to set a static ip address for the printer
const client = connect({
hostname,
token,
serial,
port: 8883 //Port number for the printer. Default is 8883 and should not be chnaged unless nessesary
})
let currentTemp = 0
client.service.on('message', (topic, message) => {
const messageString = message.toString(); //convert the message to a string
const json: MessageType = JSON.parse(messageString) //parse the message to a json object and type it as MessageType
console.log(json) //log the json object to the console
if(typeof json.print?.bed_temper !== "undefined") {
currentTemp = json.print.bed_temper //set the current temp to the bed temp if it is defined
}
})
const actions = await client.actions; //wait for connection to be established before sending commands
actions.system.pushAll() //request initial printer state
const temp = 60
actions.gcode.tempControl('BED', temp) //set the bed temp to 60 degrees
while (currentTemp < temp) { //wait untill the bed temp reaches 60 degrees
console.log('Current Temp:', currentTemp)
await new Promise(resolve => setTimeout(resolve, 1000)) //wait for 1 second untill checking the temp again
}
console.log('Reached Temp:', currentTemp)
}
main()
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