The Sparrow family consists of one or more Sensors which communicate JSON-formatted Notes using a LoRa radio to a Gateway with which they have been manually paired. A Sparrow Gateway will forward messages received from its paired Sensors to the cloud via Notecard. Conversely, it will also forward messages received from the cloud via Notecard to an associated Sensor.
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Notecarrier | Sparrow Gateway | Qwiic Color |
|---|---|---|
<VIO | <VIO | RED |
GND | GND | BLACK |
SCL | SCL | YELLOW |
SDA | SDA | BLUE |
NOTE: If you have a Qwiic connector breakout, you can connect to the Qwiic connector of the Sparrow, and the same pins on the Notecarrier as above.
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Once the Sparrow firmware has decided it is NOT the “Gateway” personality, then it will assume the “Application Host” personality. When using A one-time pairing must be performed between every Application Host and Gateway. After being successfully pairing the Sparrow Sensor Reference Board, the BME280 and PIR sensors will be automatically detected by the firmware, and the device will begin to capture and report data to Notehub without any further configuration.
Manual Configuration of a Sparrow Node Details
Use the MAC of the Sparrow node as the Note ID, and update the following fields:
name- A friendly name for the deviceloc- The location of the Sparrow NodeNOTE: By convention, the
locfield should be the GPS coordinates of the Node in OLC format (more info)
Example:{"req":"note.update","file":"config.db","note":"20323746323650050042000b","body":{"name":"Office","loc":"8624G9CM+XM"}}
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Follow these steps if your Sparrow Reference Sensor is failing to recognize the BME280 and PIR...
The BME280 components were mounted backwards on the first run of v1.1 Reference Sensor boards, causing them to think they are Core boards and ignore their PIR sensors.
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Radio Frequency
The Sparrow uses the LoRa protocol, and operates on the ISM (industrial, scientific, medical) band. Unfortunately, the ISM band is not standardized globally, so the frequency of the Sparrow must be set to operate the region in which it is being used. There are a set of DIP switches on the Sparrow, which allow you to easily select the transmission band.
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