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Herein, a portable device for wound healing with self-charging capability has been proposed by utilizing embedded system technology with an electromagnetic energy harvester. With the storing capability, the harvester can generate electricity from human vibration. By enhancing the coil turns and speed of the magnet, the generation rate of the harvester can be increased. The vacuum environment can be easily established by a vacuum pump. According to the negative pressure sensor's data, the environment can be easily stabilized by applying Pulse Width Modulation (PWM) signal to the pump driver. By using adhesive drape, the wound surface can be easily fitted with the fluid container. The device can be used at indoor and outdoor environment uninterruptedly.
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Miah et al. (2020) studied this question.
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