RFM95 Soil Moisture Sensor
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This is a work in progress! , but most everything works.
It measures soil moisture from 1 to 4 sensors, has options for soil and air temperature.
Support MCP9800 or Si7021 (humidity also) or Temp sensor in DS3231 for air temp
DS18B20 for soil temp
Support of a water pressure sensor via an analog port
Has a DS3231 Real Time clock to wake up processor at designated hour
Has support on the board for a flow meter (but no software in this code base)
Uses a RocketScream Mini-Pro M0 CPU with an RFM95 radio
Solar, battery Powered or via 8 to 28v AC or DC
Sleep's most of the time and just wakes up to see if its time to send a report.
(Board is designed to fit in a Hammond 1554 case)https://github.com/trlafleur/Soil_Moisture_Sensor_MS_R1.1-RFM95Sensor are made from plaster of paris (gypsum)
http://vanderleevineyard.com/1/post/2012/07/the-vinduino-project-2-making-and-installing-gypsum-soil-moisture-sensors.html http://www.irrometer.com/sensors.html#wm https://www.amazon.com/Delmhorst-GB-1-Gypsum-Sensor-Moisture/dp/B0002IKRUSBased on the work of: Reinier van der Lee, www.vanderleevineyard.com
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