Designed by Ruictec in China, the TD04 is a LoRa-based low-power tracker that also features BLE and dual-band GNSS. It ...
Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...
Abstract: This article presents a novel wireless silent speech interface (SSI) integrating multichannel textile-based electromyography (EMG) electrodes into headphone earmuff for real-time, hands-free ...
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