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https://github.com/jrcutler/Tiny_IR_Repeater
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Switch to ~33% duty cycle
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4
main.c
4
main.c
@ -94,10 +94,10 @@ void setup(void)
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* IR transmitter setup
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*/
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/* enable IR modulation (50% duty cycle) via Timer1 */
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/* enable IR modulation (~33% duty cycle) via Timer1 */
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TCCR1 = _BV(PWM1A) | _BV(CS12);
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OCR1C = (((F_CPU / 8 / IR_MODULATION)) - 1);
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OCR1A = OCR1C / 2;
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OCR1A = OCR1C / 3;
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/* set IR_TX as output */
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DDRB |= _BV(IR_TX);
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/* turn IR_TX off when not enabled */
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