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arduino-rx
This is a sample project for receiving and transmitting audio data using Arduino RP2040 microcontroller. The development board has a built-in microphone which makes this device very suitable for data-over-sound projects.
Setup
- Arduino RP2040 Connect
- OLED SSD1306
- Generic speaker
Pinout for Arduino Nano RP2040 Connect
I2C Display (optional)
| MCU | Display |
|---|---|
| GND | GND |
| 3.3V | VCC / VDD |
| D18 / GPIO 12 | SDA |
| D19 / GPIO 13 | SCL |
Peripherals (optional)
| MCU | Periph. |
|---|---|
| D5 / GPIO 17 | Button |
| D10 / GPIO 5 | Speaker |
Demo
https://user-images.githubusercontent.com/1991296/177210657-3c7421ce-5c12-4caf-a86c-251191eefe50.mp4