PB808 Kick Drum

A 808 Kick Drum clone for the Paper Bits similar to the Paper-Synthesizer 808KD - Kick Drum Module. It runs on 5V, the pitch is voltage controlled and it can be triggered by any 5V pulse.
For getting some 808 drones one can set the “Decay” potentiometer on infinity.


Schematic



Paper PCB

Parts

  • Resistors:
  • 1x 220 Ohm
  • 3x 470 Ohm
  • 1x 1 kOhm
  • 1x 2 kOhm
  • 1x 2.7 kOhm
  • 2x 4.7 kOhm
  • 2x 6.8 kOhm
  • 1x 8.2 kOhm
  • 3x 10 kOhm
  • 3x 22 kOhm
  • 1x 33 kOhm
  • 1x 47 kOhm
  • 1x 75 kOhm
  • 4x 100 kOhm
  • 1x 470 kOhm
  • 3x 1 MOhm
  • Capacitors:
  • 1x 220 pF (foil)
  • 1x 15 nF (foil)
  • 2x 22 nF (foil)
  • 1x 33 nF (Foil)
  • 3x 100 nF (foil)
  • Electrolytic Capacitors:
  • 1x 1 µF
  • 1x 33 µF
  • 2x 220 µF
  • Semiconductors:
  • OpAmp MCP6002
  • Optocoupler TLP521
  • Transistor 5x BC 546
  • Transistor 1x BC 556
  • Diode 2x 1N4148
  • Schottky Diode 1x BAT43
  • 2x LED
  • Mechanical:
  • 1x IC socket, 8pin
  • 1x IC socket, 4pin
  • pin strip 4×3
  • pin header, female 90° 1×3, 1×2
  • pin header, male 90° 1×3, 1×2
  • 4x jumpers
  • Potentiometers:
  • 2x 10k
  • 1x 100k