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LED lighting system with gradual control of light intensity through capacitive sensing

Working in difficult environments involves several restrictions concerning the design and the operation of a device. A possible set of requirements that must be considered when such a device is in the concept stage: the absence of nonproperly insulated physical buttons, the absence of sockets and metal contacts, the existence of a case that completely isolates the inside of the device from the external environment. The theme of this paper was chosen to contribute to the development of equipment that must comply with certain safety requirements. This paper details the concept of a portable lighting device for environments with potentially flammable atmosphere.