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| upload strategy | description |
|---|---|
| never | means never. |
| on_change | means first and on change only. - If there is no change in the sensor value for lifetime then the value is sent only once. |
| interval | means first 1, on change and on interval (if any new in between), like a heartbeat. The interval is the upload interval to cloud. If there was is no new incoming sensor result in the interval ("dead" sensor), then no value is will be sent to cloud (no heartbeat). |
| always | Each calibrated result of a sensor is uploaded, regardless its previous values. |
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