IRDA SIR Transceiver(Dongle) for Linux

Posted on Apr 2, 2012

The circuit can be culled from the MCP2120 developer`s kit user`s guide. It is on page 51 of document DS51246A. If you don`t want to use an integrated transceiver, there is a circuit for you to build your own with a seperate ir led and detector. Make sure you realize that irda leds are at a specified wavelength and need a very quick switching time (i.e. ir leds for remote controls are not suitable).

The MCP2120 is well behaved and easy to use. If you don`t need to have an irda compliant infrared link, you can bump up the clock speeds and get higher baud rates. I`ve never tried it so beware of errors in your transmissions. Testing a

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