Abstract: In this study, we fabricated a limiting current-type microelectromechanical system (MEMS) sensor and evaluated its sensing performance of oxygen and humidity concentration. The MEMS oxygen ...

Wherever hydrogen is present, safety sensors are required to detect leaks and prevent the formation of flammable oxyhydrogen gas when hydrogen is mixed with air. It is therefore a challenge that today ...

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An on/off switch for the rotating brush lets you stop the brush from rotating when using tools or cleaning bare floors. This helps eliminate scattered dirt on bare floors and reduces the risk of ...