> All I gotta do now is design/build a 38khz-carrier-wave circuit with
> some different encodings from a few buttons.  A PIC 12F629 should work
> well for this, and should be fairly simple.

Yup.  I've done 40KHz from a 16F630.  The PIC does the carrier frequency
and modulation, and directly controls the IR LED from a port pin.  You do
have to be careful with cycles at that speed and when using the internal
4MHz oscillator.  This is one module you definitely want to carefully
craft in assembler, but I can promise you it's doable.


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