Description: A hydrogen sensor is a device designed to detect the presence of hydrogen gas in the environment. This type of sensor is essential in various industrial and safety applications, as hydrogen is a highly flammable gas and can be dangerous at elevated concentrations. Hydrogen sensors operate by measuring changes in electrical resistance or capacitance that occur when hydrogen interacts with the sensor material. These devices are crucial for monitoring environments where hydrogen is present, such as chemical plants, refineries, and various industrial applications involving hydrogen as an energy source. Additionally, their integration into IoT (Internet of Things) systems allows for real-time data collection and analysis, enhancing safety and operational efficiency. The ability of these sensors to send automatic alerts in case of gas detection makes them a vital tool for accident prevention and the protection of personnel and facilities. In summary, hydrogen sensors are key components in managing risks associated with the use of this gas, contributing to a safer and more efficient working environment.