Yeckel] recently put the finishing touches on an ambitious implementation of a simple D-STAR (Digital Smart Technologies for Amateur Radio) transceiver using some very accessible and affordable ...

Back in 2024, Renesas first released the RA0E1, an ultra-low-power Cortex-M23 MCU designed for cost-sensitive applications, followed by the RA0E2, with ...

If you’ve used Linux for a long time, you know that we are spoiled these days. Getting a new piece of hardware back in the day was often a horrible affair, requiring custom kernels and lots ...

Abstract: This letter presents a wideband dual-circularly-polarized beamforming antenna modules using 3-D printed technology. The proposed lens antenna architecture consists of three key components: a ...

Abstract: Customers are crucial in determining the quality of a restaurant and its food in today's food industry. Customers and waiters in restaurants have difficulty giving and taking orders. The ...