Digital pin 3 of arduino is configured as interrupt pin.
Arduino pulse counter water meter.
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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The kal d06 series digital pulse counter adds a remote digital display with reset to any mechanical water meter with pulse output.
It emits an infrared light and detects the reflection.
In the above circuit i attached the pulse output pin of flow sensor to arduino digital pin 3.
Many meters have pulse outputs examples include.
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The pulse output may be a flashing led or a switching relay usually solid state or both.
The ethernet connection is used to answer a handful of basic http requests.
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.
I will explain about it during code explanation.
Water flow meter which i used in the project is from aliexpress.
In the case of an electricity meter a pulse output corresponds to a defined amount of energy passing through the meter kwh.
A log of all water meter activity is saved on the sd card.
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Use the tcrt5000 ir barrier line track sensor.
Single phase and three phase electrical energy meters gas meters water meters.
I bought it in 6 dollars.
The kal d06 series digital pulse counter adds a remote digital display with reset to any mechanical water meter with pulse output.