Thanks to customer Mark, here is wiring diagram of the flow sensor/meter with esp8266, the key point is needing a 555 timer chip as a Schmitt trigger. Also the VCC voltage of flow sensor is 5V, and esp8266 is 3v3, a voltage divider is needed in the circuit. You can find the flow sensor here. Updated to Est. in 1946, ERDCO supplies industries with flow meters for the measurement of utility liquids, gases and steam—such as water, air, nitrogen, lubricants. Fluid Measurement Devices +1-847-328-0550
CDI METERS. 3R Green St Woburn, MA 01801. P: (781) 935-9600 T: (866) 885-2462 F: (781) 935-9602 E: [email protected] Jan 07, 2020 · Thank you for your email and query around smart meters and live usage of electricity. We don’t regulate how the data is sent (in terms of when and how much). What typically happens is the meter records a reading every half hour, then that data is collectively sent once a day, usually in the early morning. It’s just like sending a text message.
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