Abstract: This paper proposed a self-contained IoT sensor module which includes sensor for collecting various information, micro-computer and multiple solar panels for realizing dynamic cost reduction ...

Abstract: We developed a compact sensor module for hydroponics that measures the nutrient concentration and water level using simple oscillator circuits. Oscillation frequencies are measured and are ...

Say goodbye to embarrassing parking mishaps. Whether you’re after added peace of mind during close-quarters maneuvering of your car or truck or you share a vehicle with a younger or less-experienced ...