This project is an NPK (Nitrogen, Phosphorus, Potassium) sensor implementation using a low-power setup with ULP LoRa, RS-485 communication, and the JXCT NPK sensor. The system gathers soil nutrient ...
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 focuses on the use of an electronic nose device to monitor the NPK nutrients of chicken manure. With the integration of IoT (internet of things), the data gathered through the ...
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