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MIDI Volume Controller

 

MIDI Volume Controller

This is a simple MIDI project, utilizing the Miduino design, to  output a MIDI Volume control signal when a foot pedal variable potentiometer is adjusted. 

 

 

 

MIDI Volume Controller

ITEM#: MVLCN

PRICE:  €35.00


 

 

 

  

  

  

 

The MIDI Volume Controller unit utilizes:

  • A Miduino kit including a suitable pre-programmed Atmega168,
  • A 2.1mm power socket, and associated LED, 
  • A 4-way DIP switch, which selects the MIDI channel at power-on, shown in table 1
  • A MIDI 5-pin DIN output socket,
  •  0.1" pin-terminal inputs/outputs,
  • The circuit schematic is available,
  • The jack socket wiring diagram is available,
  • MIDI available/transmit LED

 

 

The MIDI Volume Controller also requires:

  • A 9v battery or equivalent DC power source
  • A 10k linear potentiometer

 

Operation:

A MIDI Volume control signal is transmitted when a foot pedal variable potentiometer is adjusted. This MIDI command is channel (1-16) dependent. The MIDI channel, that the volume controller affects, is set by the 4-way DIP switch selection, shown in Table 1 below.

 

Circuit Schematic:

A circuit schematic of the Miduino shows the Input/Output connections. The Miduino is designed to connect to external breadboards or matrix boards on a 0.1" grid.

    

Assembly:

The kit includes all parts necessary, the assembly is straightforward and well documented. This design does not include a USB chip, it is designed to use a FTDI USB 232-TTL cable to program the microcontroller.  However since the cable plugs directly into the Miduino, you can use one cable for multiple Miduinos.

   

MIDI Wiring:

The MIDI  OUT connector uses a  5-Pin 180 degree DIN sockets. Note that the MIDI IN/OUT wiring is polarised and the correct pins should be used.

 

Download:

Open the  source code file and copy and paste it into the Arduino programme and save it as a .PDE file.

 

 

 

DIP Switch Selections

MIDI 

Channel

4 3 2 1
on on on on 1
on on on off 2
on  on  off on 3
on on off off 4
on off on on 5
on off on off 6
on off off on 7
on off off off 8
off on on on 9
off on on off 10
off on  off on 11
off on off off 12
off off on on 13
off off on off 14
off off off on 15
off off off off 16

Table 1 MIDI Channel