Having a NOAA Weather Radio in your home and workplace could save your life. Weather radios are designed to broadcast special frequencies and alert owners of hazards. The weather radio you buy can be ...

Abstract: A comprehensive review and comparative analysis of modern high-efficiency RF transmitter architectures operating in the HF, VHF, and UHF frequency bands is presented. These bands remain ...

Dorji DRA818V VHF transmitter module shield for Arduino UNO & compatibles. This Arduino shield is intended to used as an APRS Transmitter module based on Arduino UNO (see my Arduino APRS GitHub page ...

This project provides an open-source, affordable, and fully customizable remote control (RC) link solution utilizing readily available ESP32/ESP8266 microcontrollers and Semtech LoRa modules. By ...