CircuitBambu

Monitor your Bambu Labs 3D printer using CircuitPython

CircuitBambu requires the circuitpyhon-bambulabs library. This library returns the JSON information from your printer in an easy to use format allowing you to build a user interface for your microcontroller and display like the one below. To install via circup:

circup install bambulabs

Example

qualia.py includes an example built on the circuitpython-bambulabs library.

MQTT Credentials

You can connect to your Bambu Labs printer locally or via Bambu Cloud (recommended).

To access your credentials:

1. Login to MakerWorld
2. Open the dev-tools (F12 in most browsers) and select Application > Cookies > https://makerworld.com
3. Copy the token string and save as BAMBU_ACCESS_TOKEN in settings.toml
4. Access /api/v1/design-user-service/my/preference and copy uid as USER_ID
5. Access /api/v1/iot-service/api/user/bind and copy your dev_id as DEVICE_ID
6. Connect to the MQTT server with the following information. URL: mqtt://us.mqtt.bambulab.com:8883 TLS: YES Authentication: required Username: u_{USER_ID} Password: {ACCESS_TOKEN}

Warning: The subscribe topics must be fully specified

• device/{DEVICE_ID}/report
• device/{DEVICE_ID}/request

References

Documentation adapted from a gist by syuchan10005 https://github.com/Doridian/OpenBambuAPI/blob/main/mqtt.md https://github.com/Doridian/OpenBambuAPI/blob/main/cloud-http.md