• Unable to send serial data to PC
    I am trying to send the data to UART1 in LP2148. Given below is the code. But the data displayed is only some junk (mainly ???? is displayed). I am not able to makeout the problem. The terminal software...
  • sending data to serial port
    I am interfacing an led with via serial port. I have set up the serial port already. I have a display with these specification parameters: baudrate:2400 data:8 bits end code:1bit I am trying...
  • Data Types, Serial Port
    Hi!! I have a problem with char data. Im reading from the serial port 1 bytes (char);8 bit, NO parity, 1 stop bit, 9600 baud. I start my program receiving data, after i send data+1, and i can see in...
  • Timing of data on serial ports
    Call me crazy if you like but I decided to make myself a dual serial port system for the 8051 (AT89S52) via hardware multiplexing (4052 IC) in which the uart selection is controlled by a GPIO pin. The...
  • recieving messages from gsm
    i am working on a embedded project using GSM SIM300.i am using Atmel at89s52, GSM module ,temperature sensor LM35. Working of project - Temp sensor will sense the temperature and sent a message...