The ESPBoy was first built as a hackable open-source game engine and handheld console for educational purposes. However, it’s also a platform that can readily support all kinds of other uses. You can even turn the humble handheld device into a working walkie talkie.
The build relies on adding a SA868 transceiver module to the ESPBoy, along with a microphone, speaker, audio amplifier and antenna as supporting hardware. It then relies on the ESPBoy’s existing screen and buttons as a user interface for the radio. Assembled appropriately, it can then be used as a very basic and barebones walkie talkie for voice communication.
The ESPboy is open-source (most software is under MIT license) and open-hardware (CERN license) project, and is a science, technology, engineering, and mathematics [STEM] learning platform which encourages and enhances creativity, imagination, and ingenuity through project-based learning and reverse engineering. ESPboy is ideal to learn game development, internet of things, start programming, understand how gadgets work, and try robotics basics all with the community help.
See https://hackaday.com/2023/06/27/espboy-turned-into-functional-walkie-talkie/
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