• Modem Communication
    Hi, I am trying to do modem communication , but basically i do not know anything about it i have read the AT commands and i am able to dial from 1 modem to another then use ATA to pick up but after...
  • communicating with modem
    I use a atmel's t89c51rd2 based terminal , i had a requirement of using the pstn line for data transfer to the server, the problem i am facing is that that rs 232 communication code does not seem to be...
  • At89c51 with GSM modem serial error
    HI guys, My project is about switching on and off of motor by sms control.. I tried to check whether my controller is working fine or not using simple blinking of LED program , its working good...
  • serial communication
    serial communication does not works between two AT89c512 PI24 microcontroller without max232 weather there is possibilities for communication or we must use max232?
  • Serial communication
    Hi, I tried communication between two uC. Steps are 1) uC1 sends a request (1 byte) to uC2. 2) On receiving this byte, uC2 sends three bytes of data to uC1. 3) uC1 waits for completion of the data...