#walkie-talkie Tech News.
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TechXDAabout 4 hours ago
Build wireless ESP32 walkie-talkies with ESP-NOWTech Talkies built walkie-talkies using Seeed Studio XIAO ESP32S3 Sense boards and ESP-NOW over Wi-Fi, avoiding radio license requirements. The devices use a MAX98357A I2S amplifier, PTT button, and thread-safe audio buffering. External antennas provide roughly 200 meters of outdoor range.
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