This repository contains the code for a Nitrogen, Phosphorous, and Potassium (NPK) Sensor System using an Arduino. The system reads the NPK values from a sensor and displays them on an OLED screen.

Abstract: This study will discuss IoT-based systems for soil nutrient monitoring and analysis that use Arduino and ESP8266. Soil is the base of agriculture. A crop grows more quickly thanks to the ...

Abstract: This paper grants a novel methodology to optimize irrigation practices through the integration of a drip irrigation system with advanced sensors and artificial intelligence techniques. The ...

接続形態はPC⇔Arduino⇔センサ・他（ディスプレイなど） ArduinoとPCは，USBケーブル一つでつながる。 Arduinoでソフトウェアシリアル使う D0,D1はシリアル通信用の端子だが シリアルモニタと共有されている。 PC⇔Arduinoのデバッグ用に， Arduino⇔センサの通信とは ...

NPK Sensor with ESP32 (JXBS-3001-NPK-RS) 📌 Project Description This project demonstrates how to interface the JXBS-3001-NPK-RS soil nutrient sensor with an ESP32 to measure the concentration of ...