How it works is simple: you can track devices using Bluetooth on the ESP32, and through a combination of presence and signal strength, you can define a sensor that changes to an "on" state when your ...

Quectel Wireless Solutions has announced the launch of its latest high-performance MCU Zigbee and BLE module, the KCMA32S.

It packs Wi-Fi 4 and Bluetooth 5.2 capabilities in a compact package, offering an affordable way to add wireless connectivity to hardware projects.

PCB-substrates and modules therefore contain conductor traces with large cross sections and/or massive copper and ceramic structures in order to enable the required heat spreading. Such constructions ...

This article details the design and manufacturing process of a compact module fed through a transition between a grounded coplanar waveguide (GCPW) input line and an air-filled (AF) waveguide ...