Differences
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en:sw:01-mervis:multiple-history-intervals-hidden [2021/05/03 09:46] avsetula |
en:sw:01-mervis:multiple-history-intervals-hidden [2021/08/05 14:52] (current) avsetula [Asynchronous history logging] |
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| <WRAP center round info 85%> | <WRAP center round info 85%> | ||
| - | A typical application is a temperature sensor (ie. an outdoor thermometer), for which we do not need to store its exact value. Instead, we can log the temperature value only if it changes by more than ± 1°C compared to the last logged value. By doing so, we can ensure only relevant data will be logged. | + | A typical application is a temperature sensor (ie. an outdoor thermometer), for which we do not need to store its exact value. Instead, we can log the temperature value only if it changes by more than ±1 °C compared to the last logged value. By doing so, we can ensure only relevant data will be logged. |
| </WRAP> | </WRAP> | ||
