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 ...

When I was a kid, I thought walkie-talkies were the coolest thing in the world. Grant it, this was in an era before ubiquitous cell phones, so battery-powered communication devices were pretty novel.

The company I work for uses Nextell phones, so I got a Boost phone. I can honestly say that I really liked this phone. The walkie talkie feature was excellent and the phone had a good color screen ...