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 ...
The project is used to determine the soil nutrients with the help of an NPK sensor and displays it on the Arduino monitor as well as on OLED.
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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