• AT89C51, AT89C52 , AT89S51, and AT89S52
    what are the difference between AT89C51 and AT89C52? what are the difference between AT89S51, and AT89S52
  • Serial port Communication PC and AT89C52
    I am using MAX232 to communicate with AT89C52 under the control of PC using VB programming. The problems are: 1. How I can check if MAX232 is working or not, (by checking LED, I know the serial receiving...
  • serial communication in AT89c51
    hello sir i have 8 bit data which is coming from ADC0808 this is taken into the AT89c51 micro controller via port P0 now i want to transmit this serially so i have to place data into SBUF (for this...
  • Serial port Communication PC and AT89C52 ( continuted )
    Here was my plan to realize the communication between PC and AT89C52, Both of them are set to 2400 (baud rate), N, 8, 1. 1. I have shortened pin 2 and pin 3 of RS-232 attached to PC. When my pc was sending...
  • Serial port Communication PC and AT89C52 ( continuted )
    Here was my plan to realize the communication between PC and AT89C52, Both of them are set to 2400 (baud rate), N, 8, 1. 1. I have shortened pin 2 and pin 3 of RS-232 attached to PC. When my pc was sending...