It depends exactly what it is, but generally it's true, this is known as 'half-duplex', both transmitting and receiving at the same time is MUCH more difficult, usually requiring widely spaced frequencies, and is called 'full-duplex'.
It depends exactly what it is, but generally it's true, this is known as 'half-duplex', both transmitting and receiving at the same time is MUCH more difficult, usually requiring widely spaced frequencies, and is called 'full-duplex'.
It depends exactly what it is, but generally it's true, this is known as 'half-duplex', both transmitting and receiving at the same time is MUCH more difficult, usually requiring widely spaced frequencies, and is called 'full-duplex'.
It depends exactly what it is, but generally it's true, this is known as 'half-duplex', both transmitting and receiving at the same time is MUCH more difficult, usually requiring widely spaced frequencies, and is called 'full-duplex'.
well i was going to use it in my final year project. i need it to have a wireless control on my robot. used for comunication with pc, i.e. sending/receiving data from pc
i was gonna use this : **broken link removed** (trxq1)
using half duplex isn't that big a deal. you just have to handle the case where the other guy is transmitting and with a properly designed protocol you can leiminate a lot of that any way.
one other approach is to use a transceiver chip like the nRF2401 or cc2500 series which supports burst mode. Then your xceivers have a much lower chance of stepping on each other. the cc2500 is a modem as well which means you don't have to implement a codec. it uses SPI, even for data so its really easy to use. You can scrounge them out of certain wireless xbox controllers for pretty cheap.
what type of protocol you suggest ? i was going to use the serial rs-232 protocoo!
@philba : i never worked with tranceivers, is a modem more easeier to use and if yes y ? links you gave me are chips whihc i dont like to use since my main project is on controlling of the robot and note wirless connection ?!
what type of protocol you suggest ? i was going to use the serial rs-232 protocoo!
@philba : i never worked with tranceivers, is a modem more easeier to use and if yes y ? links you gave me are chips whihc i dont like to use since my main project is on controlling of the robot and note wirless connection ?!
what type of protocol you suggest ? i was going to use the serial rs-232 protocoo!
@philba : i never worked with tranceivers, is a modem more easeier to use and if yes y ? links you gave me are chips whihc i dont like to use since my main project is on controlling of the robot and note wirless connection ?!