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A320 MCDU backlit IDC40 matrix

6 months ago 2107
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Welcome to my A320 MCDU project for flight simulation. I used 145x225 mm dimensions.

It works with SIOC and it is compatible with: A320nx in MFS2020, Project Magenta,FSLabs A320, PROSIM, Jeehell FMGS, X-Plane...


I used a 8*9 matrix to connect via IDC 40 pins 2.54mm pitch connector to Opencockpits USBKeys card

Alternatively I recommend to use an Arduino Pro Micro and flash MMJoy2 on it, It will simulate a joystick with many buttons. use it in conjunction of FSUIPC Mouse/button macro and it will work with FSLabs A320 or A32nx.

The backlit keys buttons comes with a led under each of them. I used a 12 V DC input to power all the LED and 120 ohm resistors.

You can use instead regular mini push button 6x6 mm but you loose the backlight functionality.

I recommend a square 5 inch 4:3 LCD for the screen.

Print the case from Thingiverse

Thanks to dotsha747 for providing the basic circuit !


It is forbiden to use commercialy, sell or distribute this project under any circumstances.

because the minimal order is 5 units I count on you to give away the remaining boards and only charge shipping !

for enquiries, orders, or to share some modifications contact me at [email protected]


The Matrix

MCDU Lighted IDC40


ID Name Designator Footprint Quantity BOM_Manufacturer Part
1 120R R1,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,R13,R14,R18,R19,R20,R21,R22,R23,R24,R25,R15,R16 AXIAL-0.3 24 MFR0W8F3300A50
2 270R R17 AXIAL-0.3 1 MFR0W8F3300A50
3 5AG2HC01 250-400 LED1,LED2,LED3,LED4,LED5,LED6,LED7,LED8,LED9 LED-TH_BD5.0-P2.54-FD 9 5AG2HC01 250-400
4 IDC Box 2X20 2.54MM P2 IDC-TH_40P-P2.54-C9145 1 IDC Box 2X20 2.54MM
5 TERMINAL_2P/5.08 DC_TERMINAL 5.08-2P_SCREW_TERMINAL 1 Screw terminal 2p
6 R1C1 SW1,SW2,SW3,SW4,SW5,SW6,SW7,SW8,SW9,SW10,SW11,SW12,SW13,SW14,SW15,SW16,SW17,SW18,SW19,SW20,SW21,SW22,SW23,SW24,SW25,SW26,SW27,SW28,SW29,SW30,SW31,SW32,SW33,SW34,SW35,SW36,SW37,SW38,SW39,SW40,SW41,SW42,SW43,SW44,SW45,SW46,SW47,SW48,SW49,SW50,SW51,SW52,SW53,SW54,SW55,SW56,SW57,SW58,SW59,SW60,SW61,SW62,SW63,SW64,SW65,SW66,SW67,SW68,SW69,SW70,SW71,SW72,SW73,SW74 KEY-TH_TSL061G72-250B 74 Momentary Tactile Switch w/ led


Filename Download
mcdu pcb 1.JPG
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