• GSM Reception is not working in interrupt mode
    #include<softuart.h> #include<stdio.h> #include<reg51.h> void uart_init(); sbit sw=P1^7; unsigned char rx(); code unsigned char rd[] = "AT+CMGR=1"; code unsigned char ne[] = "AT+CNMI=2,2...
  • Need for an IC with Uart and I2C inbuilt based on 80C552
    I am B.Vinoth Padmanabhan working now in a biomedical field, my work is in embedded field in R&D Departmen, i have newly joined into that company, now i am at training session and my senior employee...
  • EFFECT OF INBUILT OPTIMIZATION LEVELS IN CX51
    Hi all, I am using Keil version "Vision3v3.53". It has 10(0-9) levels of optimization during compiling. I am working on a project where requirement is to reduce the code size. In default settings...
  • Serial data reception by 8051
    Hi all, i am developing an application wherein Atmel Mc receives serial data from an external source. The code developed is as follows: MOV TMOD,#20H MOV TH1,#-3 MOV SCON,#50H SETB TR1 up...
  • DATA TRANSMISSION AND RECEPTION
    while the RF transmiter is used to transmit the data from pc to any devices such as LCD display. if possible means please describe that. then how the data is transmit from pc to RF transmitter and as...