Total Dissolved Solids Sensor

Gravity

Table of contents

  1. Summary
  2. JSON

Summary

Total dissolved solids indicates how many milligrams of soluable solids is dissolved in one leter of water. TDS value of water is used to reflect the cleanliness of water.

Name: Gravity: Analog TDS Sensor/ Meter for Arduino

Link: https://www.dfrobot.com/product-1662.html

Type: Analog

Operational temperature range: 0 – 55 degrees C

Output range: 0 to 2.3V

Unit: ppm

JSON

Publish Topic: device/reading/sensor/tds

{
  value:        # float
}

Subscribe Topic: device/config/sensor/tds

{
  state:          # binary
}