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Interface of 8051 with antenna

vinay dhuru

I want to interface antenna with microcontroller like 8051 to transfer data from PC.PC will be remotely located and hence to send data I require interface of antenna at both ends ie PC and 8051.Is this possible and how?Can I get circuit diagram

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    You don't interface an antenna to a microprocessor. You interface an antenna to a radio transmitter or a radio receiver. This transmitter and/or receiver may be interfaced to a processor.

    What kind of distances are we talking about?

    What knowledge do you have about radio technology?

    There are existing 433MHz transmitters and receivers that has RS232 interface or TTL interface - you can use them at low baudrates together with a serial port. However, the 433MHz band is quite noisy since it isn't regulated - on the other hand, you'll have quite a lot of work at hand if you want to build equipment to use a regulated frequency band.

    Do you have a clear view between the two points? Maybe you can use a laser link instead? It tends to give higher baudrates and can be quite easy to implement.

    Or switch to an ARM project and use a processor with Ethernet support. Then use a WIFI link or similar.

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  • 0

    You don't interface an antenna to a microprocessor. You interface an antenna to a radio transmitter or a radio receiver. This transmitter and/or receiver may be interfaced to a processor.

    What kind of distances are we talking about?

    What knowledge do you have about radio technology?

    There are existing 433MHz transmitters and receivers that has RS232 interface or TTL interface - you can use them at low baudrates together with a serial port. However, the 433MHz band is quite noisy since it isn't regulated - on the other hand, you'll have quite a lot of work at hand if you want to build equipment to use a regulated frequency band.

    Do you have a clear view between the two points? Maybe you can use a laser link instead? It tends to give higher baudrates and can be quite easy to implement.

    Or switch to an ARM project and use a processor with Ethernet support. Then use a WIFI link or similar.

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