A solid set of walkie-talkies can be essential for good backcountry comms, and we've tested the spread to nail down the best ...

In a recent article in Elektor magazine, [Clemens Valens] describes the construction and software for an ESP32 walkie-talkie system that uses ESP-NOW for the wireless connection between units ...

You can even turn the humble handheld device into a working walkie talkie. The build relies on adding a SA868 transceiver module to the ESPBoy, along with a microphone, speaker, audio amplifier ...

Introduction A walkie-talkie is a portable, two-way radio device that facilitates instant voice communication over short to medium distances. I ...