A log of all water meter activity is saved on the sd card.
Arduino pulse counter water meter.
Water flow meter which i used in the project is from aliexpress.
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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.
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.
The ethernet connection is used to answer a handful of basic http requests.
Use the tcrt5000 ir barrier line track sensor.
In the case of an electricity meter a pulse output corresponds to a defined amount of energy passing through the meter kwh.
I bought it in 6 dollars.
Single phase and three phase electrical energy meters gas meters water meters.
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Digital pin 3 of arduino is configured as interrupt pin.
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Flow sensor is powered with an external 9 volt battery.
Many meters have pulse outputs examples include.
The pulse output may be a flashing led or a switching relay usually solid state or both.
In some cases newer water meters are equipped with a pulse output.
The kal d06 series digital pulse counter adds a remote digital display with reset to any mechanical water meter with pulse output.
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.