We have implemented a near-ultrasonic communication protocol in the 18.5-20 kHz band, which is inaudible to most humans, using commodity smartphone speakers and microphones to transmit and receive ...

The Infineon AIROC-Wi-Fi-Bluetooth-STM32 Expansion Pack is an extension of the CMSIS-Pack standard established by Arm to support Wi-Fi and BLE application on STM32 MCUs with Infineon Wireless Combo ...

This article provides an in-depth analysis of traditional water environment monitoring technologies, combined with the practical needs of water quality monitoring, and considering the unique ...