Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Abstract: Liquid metal sensors are widely used in smart electronics, health monitoring, and smart engineering. Usually, the liquid metal sensor with a single structural design has only one measurement ...

Abstract: Soil quality and environmental factors are critical determinants of agricultural efficiency. This paper presents an IoT-based intelligent soil nutrient monitoring and crop recommendation ...

This project is a full-stack IoT application designed to monitor ambient temperature using an Arduino Uno R4 WiFi and a DHT11 temperature sensor. It operates in a local development environment and ...