Water flow and pressure Sensor

[lafleur]

WaterMeter-MS-3.0i-RFM95

Data from the MySensor node to MQTT-gateway to MQTT to Telegraf to InFluxdb to Grafana.
Controller function via NODE.RED connected via MQTT.

It measures water flow from a Dwyer WMT2 water meter in pulse per gallon.

Used a 0 to 100PSI pressure sensor (from ebay), via an analog port.

Support MCP9800 or Si7021 (humidity also) for air temp.

Two relay outputs

3 Analog inputs

MAX6816 or analog filter for contact de-bouncing for water meter

Powered via an 8 to 28v AC or DC external power source

(Board is designed to fit in a Hammond 1554 case)

Processor is a Moteino R4 LoRa with a RFM95

Sends:

• Gal per minutes
• Gal per hour
• Gal per day
• Gal of current flow
• Total gallons
• Air Temperature
• Humidity
• Water pressure
• Excessive Flow Message

https://www.dwyer-inst.com/Product/Flow/WaterMeters/SeriesWMT2

https://lowpowerlab.com/shop/product/99

design file are located at:

https://github.com/trlafleur/WaterMeter-MS-3.0i-RFM95