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Ardui no-Based MIDI Drum System 


Arduino-Based MIDI Drum 

Written By: Massimo Bernava 


The MicroDRUM is the most economical and simple-to-build MIDI drum trigger. It's based on 
an Arduino and can be used with a huge variety of e-pads / e-cymbals; up to 48 inputs! 

I'm working on the first edrum module completely controlled by an iPad! See it here . 

Soon I will add more things to the guide. 

) Make Projects Page 1 of 3 

Ardui no-Based MIDI Drum System 

Step 1 — Arduino-Based MIDI Drum System 

• The microDRUM is a Trigger-to- 
MIDI controller. In practice, as 
shown in the drawing, it transforms 
the impulses generated by the pad 
(or cymbal) into a MIDI note. 

• The idea behind the microDRUM is 
to create opportunities for anyone 
to build a drum machine in an 
economical way. To do this the 
heart of microDRUM is an Arduino. 
The microDRUM features: 

• 48 trigger inputs 

• MIDI out port 

• USB port (which allows the user 
to manage the controller and 
update the firmware) 

• Customizable settings to 
eliminate multiple-trigger, cross- 
talk, etc. 

• Supports most types of switch 
or variable HiHat controllers with 
CC position or dedicated notes 
on all zones for 6 levels of 
intermediate levels of the pedal 

• Save settings 

) Make Projects 

Page 2 of 3 

Ardui no-Based MIDI Drum System 

Step 2 

• The construction of the 
microDRUM is very simple. You 
can use the "official" PCB or you 
can create one yourself, or use a 
matrix board. Starting from the 
PDF file the board can be made at 
home without the need for large 
machinery. In addition to the board, 
the following material is needed for 
the construction of the 
microDRUM: Arduino pins, a bit of 
wire, 8 resistors, 6 sockets, and 
six HC4851 chips. 

• Schematics, the PCB layout and 
the software can be found here . 

Step 3 

• First prototype! 

• And here is the first video !!! 

) Make Projects 

Page 3 of 3