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Maddie MOD2
Kick
Drums · Percussion
A sine-based kick drum with six parameters and soft-clip drive, switchable via the button.
- Width
- 4 HP
- Depth
- 28 mm
- Power
- +12V / −12V / +5V
- MCU
- Seeed XIAO RP2350
- Controls
- 3 pots · button · LED
- I/O
- 2 gate in · 1 CV in · PWM audio out
Overview
A sine-based kick drum with six parameters reachable through two pot modes — pitch, soft-clip drive, amp envelope, start/end frequency, and pitch envelope. The button cycles which parameter set the pots control, a pickup feature keeps values from jumping, and settings are stored to flash.
Panel & I/O
| Control | Pin | Mode 0 | Mode 1 |
|---|---|---|---|
| POT1 | A0 | Pitch | Start frequency |
| POT2 | A1 | Soft-clip rate | End frequency |
| POT3 / CV | A2 | Amp envelope | Pitch envelope |
| IN1 | GPIO7 | In — Clock | |
| IN2 | GPIO0 | In — Accent (level drops when HIGH) | |
| BUTTON | GPIO6 | Change parameter set & save | |
| OUT | GPIO1 | Out — PWM audio | |
| LED | GPIO5 | Parameter indicator |
Features
- Sine-core kick with adjustable pitch and amp envelopes
- Soft-clip drive for punch and saturation
- Six parameters via two pot modes with pickup
- Settings saved to flash on button press
© 2026 Maddie Synths · firmware based on work by Hagiwo · original firmware CC0 1.0 · hardware design by Hagiwo