The ethernet connection is used to answer a handful of basic http requests.
Arduino pulse counter water meter.
The kal d06 series digital pulse counter adds a remote digital display with reset to any mechanical water meter with pulse output.
Water flow meter which i used in the project is from aliexpress.
Many meters have pulse outputs examples include.
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Using an sd card and an ethernet connection together has proven challenging both use an spi connection until i used the w5100 chip based ethernet shield with an integrated sd card.
A log of all water meter activity is saved on the sd card.
In the case of an electricity meter a pulse output corresponds to a defined amount of energy passing through the meter kwh.
In the above circuit i attached the pulse output pin of flow sensor to arduino digital pin 3.
Single phase and three phase electrical energy meters gas meters water meters.
Flow sensor is powered with an external 9 volt battery.
Use the tcrt5000 ir barrier line track sensor.
However if you have an older power meter without a pulse output then you might be able to use one of the options below to sense your water consumption.
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I bought it in 6 dollars.
It emits an infrared light and detects the reflection.
Digital pin 3 of arduino is configured as interrupt pin.
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The kal d06 series digital pulse counter adds a remote digital display with reset to any mechanical water meter with pulse output.