Arduino BLE NeoPixel Controller

Control NeoPixel-strip with Seeeduino XIAO BLE/M5Stack Atom Lite

You can change the lighting config with BLE. The lighting config has three parameters: input_src_id, intensity_func_id, and colormap_id.

graph LR

subgraph BLE Service
  input_src_id
  intensity_func_id
  colormap_id
end

input_src_id-.->|select|sensor
colormap_id-.->|select|colormap
intensity_func_id-.->|select|intensity_func

sensor-->|value|intensity_func-->|intensity|colormap-->|color|pixel_manager-->neopixels

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processing flow:

graph LR

data_src[data src]
data_src-->|raw data|normalize-->|"magnitude\n(normalized value)"|shape_func-->|intensity|colormap-->|rgb|pixel

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Lighting Config

Inputs (Sources)

• Beat 0.5Hz/1.0Hz/2.0Hz (30bpm/60bpm/120bpm )
• Accel X/Y/Z
• Gyro X/Y/Z

Shape Functions (Mapping functions converting magnitude to intensity)

• Heat (Linear)
• Wipe
• Traveling Wave
• etc.

ColorMaps (functions converting intensity to color)

• Hsv
• Twilight
• TwilightShifted
• etc.

Add XIAO BLE to PlatformIO

Alwin Arrasyid introduces the way to install XIAO BLE board to PlatformIO:
https://medium.com/@alwint3r/working-with-seeed-xiao-ble-sense-and-platformio-ide-5c4da3ab42a3