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  1. R

    how to connect two controllers to PC COM port?

    max232 cannot drive yea i think i need a buffer which can provide higher currents. i will look into it. now i have one more question. how can i tranmit serial data through wireless channel? what is the easiest way to do it? I know some transmitter and receiver modules but they are not...
  2. R

    how to connect two controllers to PC COM port?

    sn75179 rs485 converter first of all i m thankful to all of you who replied. i am using max232. and its working fine for a single controller. I have identified the problem and now need your suggestions to fix it. The problem is the COM port of PC cannot provide enough current to drive two...
  3. R

    how to connect two controllers to PC COM port?

    connect 2 controllers to pc Hi, I want to connect two or more microcontrollers(8051) to PC's serial (COM) port. can any one tell me how to do this? what hardware will i need to achieve this. thanks! Rizwan Ul Ahmad Khan
  4. R

    help needed for RF communication b/w two AT89S52 controllers

    Re: help needed for RF communication b/w two AT89S52 control @FvM thanks! but the modules on the site which u mentioned are not available here. can u tell me the part numbers of chips which i can use? thanks again!
  5. R

    help needed for RF communication b/w two AT89S52 controllers

    Hello, I need help regarding wireless communication between micro controllers. I am using AT89S52 and i want to transfer data between two or controllers. Can anyone please tell me which receivers/transmitters should i use? thanx!

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