mhaberler/device-orientation

View IMU orientation via MQTT

Sensorlogger/MQTT Orientation demo

About Sensor Logger

see https://www.tszheichoi.com/sensorlogger - great app for Citizen Scientists ;)

try it out

demo : https://static.mah.priv.at/apps/device-orientation/

or build yourself:

• npm install
• npm run dev
• it should come up like so:
• click Debug GUI
• set MQTT broker name or address
• adjust port as needed
• click "Connect"
• a toast notifications should confirm MQTT connect + subscribe

configure Sensorlogger via QR Code

• in the Debug GUI, click 'Sensorlogger QR Code'
• QR Code appears:
• take picture with your mobile and import into Sensorlogger
• click the QR code to close
• hit 'Start recording'
• move the mobile
• screen object should move accordingly

demonstrate "mounting matrix correction"

• make sure sensorlogger is connected and pushing updates
• click 'Record & apply Mount Position transform'
• cube should revert to original position
• see page 10 of https://invensense.tdk.com/wp-content/uploads/2024/03/eMD_Software_Guide_ICM20948.pdf for an explanation

source

this is based on:

• https://github.com/pachoclo/vite-threejs-ts-template
• https://github.com/mqttjs/MQTT.js

status

very rough.