modnexaremote
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modnexaremote [2009/06/15 22:31] – sestst | modnexaremote [2009/06/29 22:52] – sestst | ||
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====== Generic 433 MHz transmitter ====== | ====== Generic 433 MHz transmitter ====== | ||
The [[audioprotocoltransmitter | AudioProtocolTransmitter]] module, can encode digital protocols as audio signals from the sound card/audio output from a PC. To be able to transmit the signals, some kind of hardware is needed. This is a description of how to build a generic RF-transmitter working on the 433MHz band. | The [[audioprotocoltransmitter | AudioProtocolTransmitter]] module, can encode digital protocols as audio signals from the sound card/audio output from a PC. To be able to transmit the signals, some kind of hardware is needed. This is a description of how to build a generic RF-transmitter working on the 433MHz band. | ||
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+ | The circuit board to the right of the Veroboard is actually a receiver I tried to put in the same box. I had to give that up, since it is to sensitive to the electromagnetic noise from the USB. I had to use the [[modupm|UPM-recevier]] connected via a fem meter cable to get away from the noise. |
modnexaremote.txt · Last modified: 2018/11/03 02:59 by 127.0.0.1