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  1. B

    led matrix with keyboard

    I've tried looking on google and forums but I have not found the kind of comprehensive tips to make the LED matrix with input from the keyboard. is there anything that can help me?
  2. B

    gui application to control led matrix

    halo all. i'm being learning led matrix display using bascom for 8051. im had been make program led display. but i dont know how to build led matrix control with gui application like vb or delphi. i need your help.
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    add character led matrix display

    halo anybody. i'v found link scroll led on 8052.com and i;v tested this circuit and it works. but i dont know how to add character more than 42. did any one know how to add character from this led matrix? and how to design program to send character from keyboard, and can replaced anytime...
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    led matrix 5x7 using shift register 74hc595, and 89s51

    to all... please help me.. i need schematic and program to build led matrix 5x7 using shift register 74hc595 and 89s51, i need in assembly language. if could the schematic on proteus... i'm from aceh indonesian...

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