README.md
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Integrated Development Laboratory Mask

This is an expansion board "That I have decided named as Mask" for the Altera CPLD EPM240 V1.4 board.

The Altera EP;240 V1.4, is a popular and cheap CPLD board, ideal for the development of a grant variety of projects, it can be programmed using Hardware Description Languages such as VHDL or Verilog.

At the university I used this board in a Digital devices course and I remember that at this moment the most complex part in the development process of the deliverables of the course, was make the connections into the board and the components on a protoboard using dupont cables, activity recurrent, because i need to translate my projects, is for this reason that sometimes I thought in the possibility of design an expansion board with different devices and elements ready to integrate in a project, well, with the time I passed the course and I have obtained my bachelor's degree and the other day went I saw again the board, I finally decided to bring this idea to real life.


  
I have used KiCAD in his 9.0 version for the development of this project because is my favorite tool, principally because it is open souce.


Elements and connections

The devices included on the board, and their connections are listed in the next table.


  

    

      
Device
      
Connections
      
Device
      
Connections
    
  
  

    

      
8 Leds
      

        Led0 -> (1)  Led1 -> (3)  Led2 -> (5)  Led3 -> (7) 
        Led4 -> (18)  Led5 -> (21)  Led6 -> (27)  Led7 -> (35) 
      
      
2 DIP Switch  6 positions
      

        1-0 -> (2)  1-1 -> (4)  1-2 -> (6)  1-3 -> (17)  1-4 -> (20)  1-5 -> (28) 
        2-0 -> (8)  2-1 -> (15)  2-2 -> (16)  2-3 -> (19)  2-4 -> (26)  2-5 -> (29) 
    
    

      
1 Led RGB
      
Red -> (34)  Green -> (30)  Blue -> (33) 
      
1 OLED i2C  Connector 
      
Scl -> (100)  Sda -> (99)
    
    

      
1 Digital tube  4 positions
      
 
        A -> (44)  B -> (43)  C -> (39)  D -> (37)  E -> (36)  F -> (42)  
        G -> (40)  P -> (38)  0 -> (47)  1 -> (48)  2 -> (49)
         3 -> 41 
      
      
1 9bits VGA output
      

        R0 -> (56)  R1 -> (57)  R2 -> (58)  G0 -> (68)  G1 -> (61)  G2 -> (66) 
        B0 -> (67)  B1 -> (70)  B2 -> (69)  HV -> (55)  HS -> (54) 
      
    
    

      
1 UART to USB  output
      
Tx -> (98)  Rx -> (97)
      
1 LCD 2x16  Connector
      

        E -> (90)  Rs -> (89)  D0 -> (92)  D1 -> (91)  D2 -> (96)  D3 -> (95)
      
    
  


Reference images


 3D Model Silckscream 


 



 3D Model with components