Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
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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 ?!
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