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bbTalkie English

image

A Mini Walkie-Talkie That’s a Bit Different

Traditional walkie-talkies are usually bulky, clunky, and require you to press a button to talk. One day while cycling, I wondered—could I make a portable, hands-free walkie-talkie instead?

So I DIYed a not-so-ordinary walkie-talkie. It uses an embedded neural network 🧠 to automatically detect human voice 🗣️, recognize keywords to trigger animations, and even convert other conversations into text bubbles on the screen. It’s surprisingly fun to use!

😄 Afdian (Support the creator)
🐧 QQ Group (for discussion only): 647186542
😈 Discord Channel：Join
🧵 Threads @coreoobb
▶️ Video: YouTube | Bilibili

Directory Structure

CAD 3D models, DXF files for laser cutting

PCB Schematics, Gerber files, BOM, pick-and-place files, EDA project files

assets Resource files such as animations, images, audio, and design assets

esp-idf Main firmware source code, built with ESP-IDF v5.4.3, flashed to the ESP32

tests Test programs used during development

tools Helper tools for software development, such as font bitmap generation, graphics conversion, and audio conversion

How to Use & FAQ

  • You need an ESP32-S3 with 16MB Flash and 8MB PSRAM. Only this configuration supports Octal PSRAM—otherwise, PSRAM speed is insufficient and may cause the ESP-SR audio framework to freeze.

  • The external antenna version is recommended: ESP32-S3-WROOM-1U-N16R8

  • Compile and flash the firmware using the ESP-IDF development environment.

  • Bluetooth camera control is implemented in a very basic form and currently supports SONY cameras. Since Bluetooth consumes a large amount of memory and is not commonly used, it is maintained in a separate branch named ble-camera.

  • More content and updates may be added in the future as needed.

References

Development Frameworks