• 4 x 7 Segment Display Multiplexing
    I am learning 8051. I know the theory behind 7 segment display multiplexing but do not know how to code in C. Please give me code for 4 x 7 segment display multiplexing. I am using 89S51 and will use...
  • URGENT PLS: 3 Digit * 7 Segment Display Multiplexing
    hello there. I need help with multiplexing the 7 segment using 3 digits. Also Im asked to use two 8051 microcontrollers, for voltage and multiplexing respectively. URGENT HELP PLEASE . If i could get...
  • matrix keypad multiplex with lcd
    Hi, can anyone help me about using keil c (8052) to use P1_0 to P1_3 as row of matrix keypad pin and also 4 data pins od 16x2 lcd (i.e. P1_0 to P1_3 multiplex with matrix keypad and lcd !). using matrix...
  • RS-232 multiplexing circuit
    Hi Everyone, Can I get a circuit for multiplexing two RS232 ports into one RS232 output which is interfaced with a microconntroller? Thanks.
  • RS-232 multiplexing
    Hello all, I want to know can i multiplex RS-232 of AT89C51 to multiple serial slave devices supporting RS-232, if yes then how? & in this i think slave has no option to send data on its own, instead...