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diff --git a/rf433ctl/IRremote/IRremoteInt.h b/rf433ctl/IRremote/IRremoteInt.h
new file mode 100644
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--- /dev/null
+++ b/rf433ctl/IRremote/IRremoteInt.h
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+/*
+ * IRremote
+ * Version 0.1 July, 2009
+ * Copyright 2009 Ken Shirriff
+ * For details, see http://arcfn.com/2009/08/multi-protocol-infrared-remote-library.html
+ *
+ * Interrupt code based on NECIRrcv by Joe Knapp
+ * http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1210243556
+ * Also influenced by http://zovirl.com/2008/11/12/building-a-universal-remote-with-an-arduino/
+ */
+
+#ifndef IRremoteint_h
+#define IRremoteint_h
+
+#include <WProgram.h>
+
+#define CLKFUDGE 5      // fudge factor for clock interrupt overhead
+#define CLK 256      // max value for clock (timer 2)
+#define PRESCALE 8      // timer2 clock prescale
+#define SYSCLOCK 16000000  // main Arduino clock
+#define CLKSPERUSEC (SYSCLOCK/PRESCALE/1000000)   // timer clocks per microsecond
+
+#define ERR 0
+#define DECODED 1
+
+#define BLINKLED 13
+
+// defines for setting and clearing register bits
+#ifndef cbi
+#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
+#endif
+#ifndef sbi
+#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
+#endif
+
+// clock timer reset value
+#define INIT_TIMER_COUNT2 (CLK - USECPERTICK*CLKSPERUSEC + CLKFUDGE)
+#define RESET_TIMER2 TCNT2 = INIT_TIMER_COUNT2
+
+// pulse parameters in usec
+#define NEC_HDR_MARK	9000
+#define NEC_HDR_SPACE	4500
+#define NEC_BIT_MARK	560
+#define NEC_ONE_SPACE	1600
+#define NEC_ZERO_SPACE	560
+#define NEC_RPT_SPACE	2250
+
+#define SONY_HDR_MARK	2400
+#define SONY_HDR_SPACE	600
+#define SONY_ONE_MARK	1200
+#define SONY_ZERO_MARK	600
+#define SONY_RPT_LENGTH 45000
+
+#define RC5_T1		889
+#define RC5_RPT_LENGTH	46000
+
+#define RC6_HDR_MARK	2666
+#define RC6_HDR_SPACE	889
+#define RC6_T1		444
+#define RC6_RPT_LENGTH	46000
+
+#define TOLERANCE 25  // percent tolerance in measurements
+#define LTOL (1.0 - TOLERANCE/100.) 
+#define UTOL (1.0 + TOLERANCE/100.) 
+
+#define _GAP 5000 // Minimum map between transmissions
+#define GAP_TICKS (_GAP/USECPERTICK)
+
+#define TICKS_LOW(us) (int) (((us)*LTOL/USECPERTICK))
+#define TICKS_HIGH(us) (int) (((us)*UTOL/USECPERTICK + 1))
+
+#ifndef DEBUG
+#define MATCH(measured_ticks, desired_us) ((measured_ticks) >= TICKS_LOW(desired_us) && (measured_ticks) <= TICKS_HIGH(desired_us))
+#define MATCH_MARK(measured_ticks, desired_us) MATCH(measured_ticks, (desired_us) + MARK_EXCESS)
+#define MATCH_SPACE(measured_ticks, desired_us) MATCH((measured_ticks), (desired_us) - MARK_EXCESS)
+// Debugging versions are in IRremote.cpp
+#endif
+
+// receiver states
+#define STATE_IDLE     2
+#define STATE_MARK     3
+#define STATE_SPACE    4
+#define STATE_STOP     5
+
+// information for the interrupt handler
+typedef struct {
+  uint8_t recvpin;           // pin for IR data from detector
+  uint8_t rcvstate;          // state machine
+  uint8_t blinkflag;         // TRUE to enable blinking of pin 13 on IR processing
+  unsigned int timer;     // state timer, counts 50uS ticks.
+  unsigned int rawbuf[RAWBUF]; // raw data
+  uint8_t rawlen;         // counter of entries in rawbuf
+} 
+irparams_t;
+
+// Defined in IRremote.cpp
+extern volatile irparams_t irparams;
+
+// IR detector output is active low
+#define MARK  0
+#define SPACE 1
+
+#define TOPBIT 0x80000000
+
+#define NEC_BITS 32
+#define SONY_BITS 12
+#define MIN_RC5_SAMPLES 11
+#define MIN_RC6_SAMPLES 1
+
+#endif
+