Soundcube Firmware

Install new firmware

1. Go to Releases
2. Download latest soundcube-firmware.ino.uf2 file
3. On your Soundcube Board: Press and hold the outer most white button as seen from the USB-C socket
4. While holding the button press the inner most white button once
   • the board will go into bootloader mode and appear as USB thumb drive
5. Copy the soundcube-firmware.ino.uf2 file to the thumb drive and wait for the board to restart

SD Card contents

´´´ config.txt click.wav sound/ ├─ 1.wav ├─ 2.wav ├─ 3.wav ├─ 4.wav ├─ 5.wav ├─ 6.wav ├─ 7.wav ├─ 8.wav

´´´

config.txt

Json formatted config file. For now only edge led color working.

{
    "edge": {
        "color":{
            "r":50,
            "g":0,
            "b":0
        }
    }
}

click.wav

Put a file called click.wav (not longer than a few seconds) in the root of the SD card and it will play when you press a button.

Sounds

Put all sounds into the ´/sound´ subfolder. Name them ´1.wav, 2.wav, 3.wav...´

Wave File Format

Export all sounds except ´click.wav´ as 48000Hz (48kHz) 16bit Stereo.

Audacity

You can use Audacity to export all soundfiles to WAV format.

1. Load file into Audacity
2. Select Track
3. File -> Export Audio

Format options in Audacity

• WAV(Microsoft)
• Chanels: Stereo
• Samplerate: 48000Hz
• Encoding: Signed 16-bit PCM

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Code something yourself

1. Download Arduino IDE
2. Install and open "Preferences"
3. Follow these instructions
   • No need to change checkboxes, only paste the URL and hit OK.
4. Install Raspberry Pi Pico boards (HowTo install boards)
5. Install libraries (HowTo install libraries): Adafruit Neopixel, AS5600 (Rob Tillaart), TCA9555 (Rob Tillaart)
6. Choose Generic RP2350 as board and the correct port (Mac: /dev/cu.usbmodemXXXX, PC: COMXX Serial Port)
7. Go to Tools -> Flash Size and choose 16MB (no FS)
8. Make your changes in the code
9. Hit Upload Button (Arduino IDE compiles and uploads it automatically)