mysensors | Arduino sketches based on mysensors
kandi X-RAY | mysensors Summary
kandi X-RAY | mysensors Summary
Arduino sketches based on mysensors.org library. The sketches are part of my home automation and are derived from the original samples provided by the mysensors project. Some sketches are merged samples to have more than one sensor on one arduino. Some sketches need additional libraries that you will have to download for yourselve. MySensors 2.0 GatewayW5100 - a standard Arduino Uno with Ethernet Shield gateway (see mysensors.org) ClearEepromConfig - a modified copy of the original one from mysensors.org CO2Sensor - a repeater-sketch that makes use of several sensors: MQ135, DHT-22, BMP085 FlamingoSwitchSensor - a repeater-sketch to control 433MHz switches from Flamingo/ELRO (with DHT-22) ValloxSensor - a repeater-sketch for controlling the Vallox Digit-SE via RS485. MySensors 1.3 (not ported so far) DallasMultiTemperatureSensor - a repeater-sketch for 10 DS1830 Temperature sensors HumiditySensor - a DHT-22 sketch WeatherStationSensor - a repeater-sketch (weatherstation) with BMP085 and DHT-22.
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QUESTION
I am trying to figure out how to group a query result where the final Grouping should happen where the time difference is less than let's say one minute.
I have watermeter that logs my water usage and I am trying to group the results so that the graphs will make more sense. My sql queries for grouping the water usage per Year, Month, Day and hour are perfect, but then I would like to drill down to where the final result shows me a grouping where as an example I water the grass.
My Table Structure looks like:
...ANSWER
Answered 2020-Dec-11 at 20:47First find the difference in time from the previous row:
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