This project utilizes an Arduino Uno CH340G development board paired with a DHT11 temperature and humidity sensor to create a compact yet capable environmental monitoring system. It measures ambient ...

Abstract: Metal detectors detect hidden metal objects through electromagnetic induction. Significant research has focused on improving the detector sensitivity by redesigning the structure of ...

While laptop speakers aren’t always the best sound quality, they’re still a vital part of your laptop’s operation. It can be incredibly frustrating when they stop working. But if you find yourself in ...

Abstract: A high-sensitivity microwave sensor design scheme is proposed in this letter, which is used to measure the permittivity of solid and liquid materials. The proposed sensor is based on double ...