Arduino Sound Sensor Code. The Arduino Sound Sensor Code is very simple and easy to understand. We are just reading the analog data out of the sensor and lighting up LEDs to visualize the intensity of ...

Double-check the wiring connections between the Arduino, RS485 module, and NPK 7-in-1 Soil Sensor if you encounter communication errors. Ensure that the Modbus settings (baud rate, parity, etc.) in ...

Follow the circuit diagram to connect the water sensor, LED, and Arduino. Upload the Code: Open the Arduino IDE. Copy and paste the provided code into the IDE. Select the appropriate board and port.

If you have allergies than you've likely considered picking up an air quality sensor for you house at some point. However, a good air quality monitor will run you upwards of $290.

Soil is the most important medium for plant growth. The aim of this project is to develop a detection system for major nutrients of soil; Nitrogen, Phosphorus and Potassium (NPK) which consists of an ...