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The IoT-Based Capacitive Humidity Sensor is designed to implement a plant watering system based on water content so that the moisture content in the planting media and fertilizers can be maintained. The data can be viewed using IoT Thingspeak cloud technology. This sensor can save water use as well as an alternative to industrial capacitive humidity sensors on the market. The sensor is a dielectric sensor that works by measuring the charge storage capacity in the soil. The sensor uses an ESP8266 microcontroller and a ZSSC3123 chip to take measurements with the I2C protocol. Experiments on measuring soil moisture is carried out in real time with a sampling time every 1 min.

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IoT Based Capacitive Soil Moisture Sensor Using ThingSpeak and NodeMCU Microcontroller ESP8266

  • 会议论文

  • 发表日期：

    2026年

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  • Wiedjaja Atmadja,
  • Gilbert,
  • Valentino Kevin Sunjoyo

摘要

The IoT-Based Capacitive Humidity Sensor is designed to implement a plant watering system based on water content so that the moisture content in the planting media and fertilizers can be maintained. The data can be viewed using IoT Thingspeak cloud technology. This sensor can save water use as well as an alternative to industrial capacitive humidity sensors on the market. The sensor is a dielectric sensor that works by measuring the charge storage capacity in the soil. The sensor uses an ESP8266 microcontroller and a ZSSC3123 chip to take measurements with the I2C protocol. Experiments on measuring soil moisture is carried out in real time with a sampling time every 1 min.