Noise

Noise Module with Multiple Tone Control Options.

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$20
Noise

This a digital noise generator with multiple tone controling options. It also supports MIDI.

It's quite hard to make noise with analog circuits with a system running at 3.3V. That's why we using a Microcontroller (ATtiny1616) to generate noise.

Inputs

  1. MIDI In
  2. N/C
  3. N/C
  4. Debug pin for the microcontroller
  5. Programming pin for the microcontroller

Outputs

  1. MIDI THRU
  2. White Noise
  3. White Noise
  4. Blue Noise
  5. Pink Noise

Controls

  • TONE: Controls the tone by changing the sampling rate of the noise. Left is higher sampling rate, right is lower.
  • BLUE TONE: RC Highpass Filter for the blue noise.
  • PINK TONE: RC Lowpass Filter for the pink noise.

MIDI

  • CC 74: Adds to the TONE control value.

Additional Parts

This section is only relevant if you are buying the semi-assembled module. You have to source & solder the following parts. You can check our guide on common parts for where to source these components.

  • 2.54mm Header Pins (5-pin) - 2
  • Circular Pin Header Sockets (5-pin) - 2
  • 50K Potentiometers - 1 (Tone)
  • 1M Potentiometers - 2 (BLUE Tone & PINK Tone)