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Topic: 38khz??????????? (Read 448 times) previous topic - next topic

bench

how to generate 38khz of frequency from arduino???

fungus

According to the arduino reference pages there's a function called "tone()".

http://arduino.cc/en/Reference/HomePage

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bench

i have tried that but a maximum of 20khz was generated!!

Chagrin

See http://www.righto.com/2010/03/detecting-ir-beam-break-with-arduino-ir.html

Jack Christensen

Should be able to come pretty close by setting up one of the timers to output a fixed frequency. Lots of info at:
http://www.gammon.com.au/forum/?id=11504
MCP79411/12 RTC ... "One Million Ohms" ATtiny kit ... available at http://www.tindie.com/stores/JChristensen/

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