Raspberry Pi enthusiasts looking to add 4G connectivity to their mini PC may be interested in the SIM7600 4G LTE Raspberry Pi HAT. Created to provide multiband 4G/3G/2G communication and a GNSS ...

Basic C++ example using the LilyGO T-SIM7600 (4G module) and ESP32 for a 4G telemetry/logging solution that uploads e-bike data to Home Assistant (HA) over HTTP (or MQTT if preferred). This will use ...

In the MQTT (Message Queue Telemetry Transport) protocol, a broker is a central server that receives published messages from client devices (publishers) and routes them to the interested parties ...

Abstract: The growing dependence of personal safety features on auxiliary devices, primarily smartphones, creates a critical vulnerability during emergencies where access or functionality is ...