SOCORAD32 ESP32 walkie-talkie board also supports data communication (Crowdfunding) - CNX Software
DIY In House Wireless Walkie Talkie - Voice Intercom Adventure - Share your Projects! - Home Assistant Community
ESP32 Walkie Talkie - Part 1 - Fusion 360 case design
Walkie-Talkie module Built On Tiny ESP32 board - Electronics-Lab.com
ESP32 walkie talkie, made with a customized PCB extension HAT
ESP32 "Talkie" Demo
ESP32 Walkie-Talkie - Hackster.io
SOCORAD32: A hackable, open source, ESP32 amateur radio board with walkie- talkie functionality and data communication - Open Electronics - Open Electronics
Hello. I made a walkie-talkie based on a WebSocket. I think it'll help to implement half-duplex communication in ESP32.