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README.md
node-red-node-sensortag
This node adds support to Node-RED to read from the Texas Instruments SensorTag.
The SensorTag is a Bluetooth LE device hosting the following sensors:
- Ambient & ir Temperature
- Barometric Pressure
- Humidity
- 3 axis Accelerometer
- 3 axis Magnetometer
- 3 axis Gyroscope
- 2 push Buttons
The config node allows the user to enable/disable any of the sensors listed above. The readings from these sensors will be sent as a JSON object payload with the sensor name appended to the topic provided:
- Temperature - { topic: [topic_prefix]/temperature, payload: { ambient: 21.2, object: 33.0 } }
- Barometric Pressure - { topic: [topic_prefix]/pressure, payload: { pres: 1000.1 } }
- Humidity - { topic: [topic_prefix]/humidity , payload: { temp: 21.2, humidity: 88} }
- Accelerometer - { topic: [topic_prefix]/ , payload: { x:0.0, y:9.8, z:0.0 } }
- Magnetometer - { topic: [topic_prefix]/ , payload: { x:0.0, y:0.0, z:0.0 } }
- Gyroscope - { topic: [topic_prefix]/ , payload: { x:0.0, y:0.0, z:0.0 } }
- Buttons - { topic: [topic_prefix]/ , payload: { left: "down", right: "up"} }
The sensorTag library used by this node only supports using 1 SensorTag at once.
NOTE: Node-RED needs to be run as root inorder or access the Linux Bluetooth 4.0 system calls