• keyboard interfacing
    Hi friends, I am doing a small project on 89c51kit i.e interfacing PS/2 keyboard to microcontroller.I need the datasheets or any information about KBD.Plz give me an idea of doing this.How we define...
  • AT keyboard interface to LPC2129
    Hi people, Wondering if you could help. I have been trying to code an interface to an AT keyboard with an LPC2129. I have been using timer0 capture on the falling edge of the clk line to create an interupt...
  • matrix keyboard interfacing
    hi could anyone provide me with the code in assmbly language or in c to interfacea microcontroller 89c51rd2 with a 5*5matrix keyboard and also display the value of the key pressed on the lcd connected...
  • Matrix keyboard interfacing
    we are interfacing 3x4 matrix keyboard and interfacing it with port 1 of P89C51RD2 microcontroller. We are connecting column to P1.0 to P1.3 and row to P1.4 to P1.6. could anybody have code in C
  • logic for keyboard interfacing
    can anybody tell the logic for interfacing keyboard (16 keys) with microcontroller at89c5132 which provide the facility for 4 * n keyboard interfacing. and also the circuitry required for it