Designed by Ruictec in China, the TD04 is a LoRa-based low-power tracker that also features BLE and dual-band GNSS. It ...
Researchers at the Department of Energy's Oak Ridge National Laboratory partnered with the University of Tennessee to develop ...
Abstract: The contact resistance of the current path in a mechanical connector increases with rising current frequency due to the skin effect, which causes the current to concentrate near the surface ...