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Hello. I made a walkie-talkie based on a WebSocket. I think it'll help to implement half-duplex communication in ESP32. : r/arduino
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50 Pcs Arduino Uno Nicerf Walkie Talkie Module Sa828-u In 400-480mhz Walkie Talkie Module Uhf With Antenna 134-174mhz Vhf - Replacement Parts - AliExpress
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Make a 1.5 K.M Range walkie talkie # Without Noise Clear Sound# | Electronics projects for beginners, Electronic circuit projects, Electronics projects
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10pcs/lot) Arduino Uno Uhf Walkie Talkie Rf Module Sa818+409mhz Uhf Antenna For Intercom - Replacement Parts - AliExpress
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The SOCORAD32 Is an Arduino-Compatible Software-Controlled Radio Walkie- Talkie, Driven by an ESP32 - Hackster.io
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