Alat Penyiraman Tanaman Otomatis Berbasis Curah Hujan, Suhu Udara, Intensitas Cahaya, dan Kelembapan Tanah Terintegrasi Flutter sebagai Antarmuka Pengguna

Abstract

The objective of this study is to develop an IoT-based device, or, to be more specific, an automatic plant watering system equipped with an FC-37 rain sensor, a DS18B20 temperature sensor, an LDR sensor, and a YL-69 soil moisture sensor also a DS1307 RTC that is integrated with an Android-based application built on the Flutter framework with the Dart programming language. The device can operate on its own and automatically water the plants at 7 am and 5 pm if the soil moisture is below 65% or during hot rain condition. Electronic components such as the NodeMCU ESP8266, sensors, diodes, power supply, step-down, RTC, relays, electrical terminal, and LCD are assembled in a panel box and connected to Panasonic GP-129JXK water pump. The pump is connected to the pipes, solenoid valves, and sprinklers to spray water onto bedder soil. Data from various sensors, precipitation is the result of rain sensor detection, air temperature from temperature sensor, LDR sensor captures solar intensity, and measurement of the percentage of soil moisture by soil moisture sensor were collected and stored in the NodeMCU ESP8266 microcontroller. The WiFienabled NodeMCU ESP8266 transmit all data to a real-time Firebase database. Thus, farmers can monitor watering only through their Android phones by accessing Nyiram App application. Furthermore, the Nyiram App also includes a pump setting feature so that farmers can switch on the pump by pressing a button in the app.