walkie-talkie
An ESP32-based walkie-talkie for communicating on bicycle/motorcycle rides
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Ecosystems:
C
walkie-talkie
An ESP32-based walkie-talkie for communicating on bicycle/motorcycle rides
Clone
- Use the
--recursiveflag when cloning to pick up the ESP-IDF
Dependencies
- ESP-IDF Tools
cd esp-idfexport IDF_GITHUB_ASSETS="dl.espressif.com/github_assets"./install.sh
Parts and Pinouts
Parts
- 1x ESP32 board
- 1x INMP441 I2S MEMS microphone
- 1x PCM5102A I2S DAC
Mic Wiring
| ESP32 | INMP441 |
|---|---|
| 3v3 | VDD |
| GND | GND |
| GPIO 32 | SCK (bit clock) |
| GPIO 25 | WS (word select) |
| GPIO 33 | SD (or is it SO?) (data pin) |
| GND | L/R (left/right select) |
Speaker Wiring
| ESP32 | PCM5102A |
|---|---|
| 3v3 | VIN |
| GND | GND |
| GPIO 4 | BCK (bit clock) |
| GPIO 5 | LCK (word select) |
| GPIO 18 | DIN (data pin) |
| GND | SCK (left/right select) |
Configure
$ make menuconfig
or
$ idf.py menuconfig
Build
$ make -j8 # Or pick your favorite parallel number
or
$ idf.py build
Run (and see serial output)
$ make -j8 flash monitor
or
$ idf.py flash monitor
Monitor Serial Output
$ make monitor
or
$ idf.py monitor
Exit with Ctrl + ].
Erase Flash
$ make erase_flash
or
$ idf.py erase-flash
Code Format
clang-format is used for code formatting.
$ make format