Just about every “getting started with microcontrollers” kit, Arduino or otherwise, includes an ultrasonic distance sensor ...

Abstract: Soil analysis is essential in the process of agriculture. Various parameters can be derived from a soil sample. Some of them are moisture, NPK, fertility, PH value. The process of testing ...

Abstract: Usually, four sensors are required to detect an object’s distance, shape, morphology, and permittivity. This work proposes a two-port microwave sensor array to comprehensively detect these ...