Articles Tagged “Esp32 Walkie Talkie”

ESP32 Walkie-Talkie: G.722 HD Voice Rides ESP-NOW Packets

PCMFlowG722 turns ESP32 boards into an HD-voice walkie-talkie over ESP-NOW, fitting a 160-byte G.722 frame into one packet. No router needed.

Alex Circuit★May 31, 2026★4 min read