I have a problem with interfacing two serial port with 8051 microcontroller. I have to use bar code reader and RF reciver and transmitter which both of them interfaced serially. I am thinking to add an ic to controller these to serial ports, but I don't know which type of IC I should used!! could any one help me, please?
Thanks,
thank you for your advice:)
untill now we can cahnge our system in oreder to have a few mistake...
therefore, i asked a prossional people,to have a good planning.