The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module. The soil moisture sensor module , built around the LM393 comparator, gives ...

pH Sensor with Arduino and Display System The pH Sensor with Arduino and Display System is a compact and efficient solution for measuring and displaying the pH levels of soil or water. By connecting ...

This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level. It uses Arduino Duemilanove microcontroller board. Two wires placed in the soil pot ...

Introduction This all in one soil sensor can reflect seven elements of soil moisture content, electrical conductivity, temperature, nitrogen, phosphorus, potassium, and pH. Suitable for all kinds of ...

The system is based on an Arduino MKR WAN 1310, and monitoring points include ambient light sensors, moisture sensors and the aforementioned soil sensors. Data from these is transmitted via the MODBUS ...

We connected $\\mathbf{p H}$ sensor and solar cell into Arduino Board to control data transmission via red laser communication or popular known as visible light communication (VLC). The sensor was ...