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Published: June 2026 · By the ReviewsTrusted team
Your Bambu Lab printer is quietly one of the most capable gadgets in your home. It has Wi-Fi, a camera, temperature and humidity sensors and a stack of status data — yet most of us only ever see that information inside the Bambu Handy app. The fix is to bring the printer into Home Assistant, the open-source smart-home hub, so it sits on the same dashboard as your lights, plugs and sensors. Once it is there, you can build alerts and automations around it, and a few of those turn out to be genuinely useful for the way we print in India — long overnight jobs, an unreliable grid and the monsoon working against your filament.
The big picture: your printer reports into Home Assistant, which can then alert your phone and trigger the devices around it.
Adding the printer does not replace the Bambu app or take anything away from it. Think of Home Assistant as a second, much more flexible window onto the machine. It reads the printer's status and sensors, surfaces the camera as a normal camera entity, and — most importantly — lets you wire the printer into the rest of your home so it can trigger lights, plugs, speakers and phone notifications. None of your existing cloud features stop working when you add it.
Current state, progress and time remaining, refreshed in real time.
Per-slot filament and the humidity reading inside your AMS unit.
The chamber camera appears like any other camera, viewable anywhere.
Use any print event to trigger lights, fans, speakers and alerts.
Add the free ha-bambulab integration from the Home Assistant Community Store.
Sign in with your Bambu account, or go local with serial, IP and access code.
Status, progress, camera and the AMS all show up as ready-to-use entities.
The link between the two is handled by an unofficial integration called ha-bambulab. You install it through the Home Assistant Community Store (HACS) — the add-on shop most Home Assistant users already have set up — rather than the built-in integrations list. It is free, actively maintained and does not cost you any of the printer's normal cloud functionality. If you have never used HACS, it is a one-time setup and then ha-bambulab is a couple of clicks away.
You can sign in with your Bambu Lab account and let it find the printer, or set it up by hand using the printer's serial number, its local IP address and its access code (both are easy to find on the printer's screen). The manual, local route is the one I prefer in India: it keeps working when the home broadband is having a bad day, and it does not depend on the cloud round-trip. Once connected, the printer turns up in Home Assistant with its current status, health, progress and a long list of sensor readings.
If you run the Automatic Material System, it appears as its own device with its own sensors. You get the current humidity inside the unit, which filament is loaded in each slot and, on the AMS 2 Pro, how much time is left on a dry cycle. There is even an entry for the external spool if you feed filament from outside the unit. For anyone storing PLA and PETG through a Pune monsoon, having that humidity figure on a dashboard is more useful than it sounds.
This is the real reason to bother. In Home Assistant you create a new automation, choose your printer as the device, and you are handed a long list of triggers — from the obvious ones like print started, print finished and print failed, to finer ones like enclosure door opened, nozzle target temperature changed and print progress reaching a set percentage. From there, what happens next is up to you.
Try it: tap a printer event to see an automation you could build around it.
Send yourself a phone alert the moment a print finishes, or a high-priority one the instant a print fails so you can stop wasting filament on a job that has already let go of the bed. You can make those notifications tap straight through to the camera feed so you can see the damage before you walk over. The Bambu app does some of this, but it can be flaky and it will not help you at all in LAN mode — your own automations will.
Tie a smart plug or fan to the print-started trigger so ventilation kicks in while you print, and switches off a little after the job ends. Flip a smart bulb to a "now printing" colour, chime a smart speaker on completion, or drive a small signal light on the shelf so a glance tells you whether the machine is busy. You can also fire a maintenance reminder when the printer crosses a total-usage milestone.
If your printer sits on a UPS, build an automation that messages you the second a long print drops out or comes back. Instead of waking up to a guess about whether the 9-hour print survived last night's outage, you get a clear timeline on your phone, plus a camera entity you can open remotely to check the bed before you head home.
Because the AMS humidity reading is exposed as a sensor, you can set an alert when it climbs past a threshold in the wet months, and even start a dry cycle or remind yourself to move spools into a sealed box. It is a small thing that quietly saves you from stringy, brittle prints when the weather turns.
The printer's camera shows up like any other camera in Home Assistant, so as long as you have set up remote access you can check on a print from anywhere. You can even pass that feed through to Apple Home or another system via HomeKit Bridge. Rather than stare at every sensor, build a dedicated "3D printer" view that surfaces only what matters — progress, time remaining, chamber temperature, AMS humidity — with gauges for the numbers you care about. Mount a cheap tablet on the wall of your workshop and you have a permanent status screen with a live chamber view. Home Assistant also keeps a history of all those readings, which is handy when you are trying to work out why a print failed at 3am.
An example Home Assistant view — the same status, surfaced as clean gauges you can put on a wall tablet.
Be clear-eyed about the limits. The only real controls Home Assistant gives you are toggling the chamber light and the camera — useful for cutting light or covering privacy, but that is it. You cannot start, pause or cancel a print from Home Assistant. For actual control you still reach for Bambu Handy, Bambu Studio, or an offline option like Bambuddy. Treat this as a brilliant monitoring and automation layer, not a replacement remote.
Any modern Bambu Lab machine works with the integration. If you are buying your first one — or a second to run alongside the setup above — these are the two we recommend most in India. Prices move week to week, so we link straight to the live Amazon listing.
A fast, quiet, fully self-calibrating FDM printer with a 256mm bed. Add the AMS lite and it does multi-colour. It is the machine most people should buy, and it slots straight into the Home Assistant workflow above, AMS humidity sensor and all.
The same hands-off experience in a smaller, more affordable body with a 180mm bed. Ideal if your workshop corner is tight or this is your first printer — and it reports into Home Assistant exactly the same way.
Do I need a paid subscription to connect a Bambu Lab printer to Home Assistant?
No. The connection is handled by a free, community-built integration called ha-bambulab, which you install through the Home Assistant Community Store (HACS). You do not lose any of Bambu's cloud features by adding it.
Will connecting to Home Assistant stop the Bambu Handy app from working?
No. The integration runs alongside Bambu Handy and Bambu Studio rather than replacing them. You can keep using the official app exactly as before and treat Home Assistant as an extra dashboard.
Can I start and stop prints from Home Assistant?
Only partly. Home Assistant can toggle the chamber light and the camera, but it does not start, pause or cancel a print. Actual print control still happens in Bambu Handy, Bambu Studio or an offline tool like Bambuddy.
Is this useful during power cuts in India?
Yes. If your printer is on a UPS, you can build an automation that pings your phone the moment a long print drops out or finishes, so you are not relying on guesswork after an outage. The camera entity also lets you check the bed remotely before you head home.
Can Home Assistant help with monsoon humidity and my filament?
Yes, if you use the AMS. Its humidity reading is exposed in Home Assistant, so you can set an alert when the level climbs during the monsoon and start a dry cycle or move spools into a sealed box before the filament soaks up moisture.
What hardware do I need to run Home Assistant?
A small, always-on machine on the same network as your printer. A Raspberry Pi or a low-cost mini PC running Home Assistant is the usual setup, and it can manage your printer alongside the rest of your smart-home devices.
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