diff --git a/IRremote.cpp b/IRremote.cpp
index b617559..0ea262e 100644
--- a/IRremote.cpp
+++ b/IRremote.cpp
@@ -74,6 +74,7 @@ int MATCH_SPACE(int measured_ticks, int desired_us) {return MATCH(measured_ticks
 // Debugging versions are in IRremote.cpp
 #endif
 
+#ifdef NEC
 void IRsend::sendNEC(unsigned long data, int nbits)
 {
   enableIROut(38);
@@ -93,7 +94,9 @@ void IRsend::sendNEC(unsigned long data, int nbits)
   mark(NEC_BIT_MARK);
   space(0);
 }
+#endif
 
+#ifdef WHYNTER
 void IRsend::sendWhynter(unsigned long data, int nbits) {
 	enableIROut(38);
 	mark(WHYNTER_ZERO_MARK);
@@ -114,7 +117,9 @@ void IRsend::sendWhynter(unsigned long data, int nbits) {
 	mark(WHYNTER_ZERO_MARK);
 	space(WHYNTER_ZERO_SPACE);
 }
+#endif
 
+#ifdef SONY
 void IRsend::sendSony(unsigned long data, int nbits) {
   enableIROut(40);
   mark(SONY_HDR_MARK);
@@ -132,6 +137,7 @@ void IRsend::sendSony(unsigned long data, int nbits) {
     data <<= 1;
   }
 }
+#endif
 
 void IRsend::sendRaw(unsigned int buf[], int len, int hz)
 {
@@ -200,6 +206,8 @@ void IRsend::sendRC6(unsigned long data, int nbits)
   }
   space(0); // Turn off at end
 }
+
+#ifdef PANASONIC
 void IRsend::sendPanasonic(unsigned int address, unsigned long data) {
     enableIROut(35);
     mark(PANASONIC_HDR_MARK);
@@ -227,6 +235,9 @@ void IRsend::sendPanasonic(unsigned int address, unsigned long data) {
     mark(PANASONIC_BIT_MARK);
     space(0);
 }
+#endif
+
+#ifdef JVC
 void IRsend::sendJVC(unsigned long data, int nbits, int repeat)
 {
     enableIROut(38);
@@ -249,7 +260,9 @@ void IRsend::sendJVC(unsigned long data, int nbits, int repeat)
     mark(JVC_BIT_MARK);
     space(0);
 }
+#endif
 
+#ifdef SAMSUNG
 void IRsend::sendSAMSUNG(unsigned long data, int nbits)
 {
   enableIROut(38);
@@ -269,6 +282,7 @@ void IRsend::sendSAMSUNG(unsigned long data, int nbits)
   mark(SAMSUNG_BIT_MARK);
   space(0);
 }
+#endif
 
 void IRsend::mark(int time) {
   // Sends an IR mark for the specified number of microseconds.
@@ -440,48 +454,70 @@ int IRrecv::decode(decode_results *results) {
   if (irparams.rcvstate != STATE_STOP) {
     return ERR;
   }
+#ifdef NEC
 #ifdef DEBUG
   Serial.println("Attempting NEC decode");
 #endif
   if (decodeNEC(results)) {
     return DECODED;
   }
+#endif
+
+#ifdef SONY
 #ifdef DEBUG
   Serial.println("Attempting Sony decode");
 #endif
   if (decodeSony(results)) {
     return DECODED;
   }
+#endif
+
+#ifdef SANYO
 #ifdef DEBUG
   Serial.println("Attempting Sanyo decode");
 #endif
   if (decodeSanyo(results)) {
     return DECODED;
   }
+#endif
+
+#ifdef MITSUBISHI
 #ifdef DEBUG
   Serial.println("Attempting Mitsubishi decode");
 #endif
   if (decodeMitsubishi(results)) {
     return DECODED;
   }
+#endif
+
+#ifdef RC5
 #ifdef DEBUG
   Serial.println("Attempting RC5 decode");
 #endif  
   if (decodeRC5(results)) {
     return DECODED;
   }
+#endif
+
+#ifdef RC6
 #ifdef DEBUG
   Serial.println("Attempting RC6 decode");
 #endif 
   if (decodeRC6(results)) {
     return DECODED;
   }
+#endif
+
+#ifdef PANASONIC
 #ifdef DEBUG
     Serial.println("Attempting Panasonic decode");
 #endif 
     if (decodePanasonic(results)) {
         return DECODED;
     }
+#endif
+
+#ifdef JVC
 #ifdef DEBUG
     Serial.println("Attempting LG decode");
 #endif 
@@ -494,6 +530,9 @@ int IRrecv::decode(decode_results *results) {
     if (decodeJVC(results)) {
         return DECODED;
     }
+#endif
+
+#ifdef SAMSUNG
 #ifdef DEBUG
   Serial.println("Attempting SAMSUNG decode");
 #endif
@@ -507,12 +546,15 @@ int IRrecv::decode(decode_results *results) {
     return DECODED;
   }
 // Aiwa RC-T501
+#ifdef AIWA_RC_T501
 #ifdef DEBUG
   Serial.println("Attempting Aiwa RC-T501 decode");
 #endif 
   if (decodeAiwaRCT501(results)) {
     return DECODED;
   }
+#endif
+
   // decodeHash returns a hash on any input.
   // Thus, it needs to be last in the list.
   // If you add any decodes, add them before this.
@@ -524,6 +566,7 @@ int IRrecv::decode(decode_results *results) {
   return ERR;
 }
 
+#ifdef NEC
 // NECs have a repeat only 4 items long
 long IRrecv::decodeNEC(decode_results *results) {
   long data = 0;
@@ -572,7 +615,9 @@ long IRrecv::decodeNEC(decode_results *results) {
   results->decode_type = NEC;
   return DECODED;
 }
+#endif
 
+#ifdef SONY
 long IRrecv::decodeSony(decode_results *results) {
   long data = 0;
   if (irparams.rawlen < 2 * SONY_BITS + 2) {
@@ -586,7 +631,11 @@ long IRrecv::decodeSony(decode_results *results) {
     // Serial.print("IR Gap found: ");
     results->bits = 0;
     results->value = REPEAT;
+#ifdef SANYO
     results->decode_type = SANYO;
+#else
+    results->decode_type = UNKNOWN;
+#endif
     return DECODED;
   }
   offset++;
@@ -624,6 +673,7 @@ long IRrecv::decodeSony(decode_results *results) {
   results->decode_type = SONY;
   return DECODED;
 }
+#endif
 
 long IRrecv::decodeWhynter(decode_results *results) {
   long data = 0;
@@ -684,6 +734,7 @@ long IRrecv::decodeWhynter(decode_results *results) {
 }
 
 
+#ifdef SANYO
 // I think this is a Sanyo decoder - serial = SA 8650B
 // Looks like Sony except for timings, 48 chars of data and time/space different
 long IRrecv::decodeSanyo(decode_results *results) {
@@ -747,7 +798,9 @@ long IRrecv::decodeSanyo(decode_results *results) {
   results->decode_type = SANYO;
   return DECODED;
 }
+#endif
 
+#ifdef MITSUBISHI
 // Looks like Sony except for timings, 48 chars of data and time/space different
 long IRrecv::decodeMitsubishi(decode_results *results) {
   // Serial.print("?!? decoding Mitsubishi:");Serial.print(irparams.rawlen); Serial.print(" want "); Serial.println( 2 * MITSUBISHI_BITS + 2);
@@ -811,7 +864,7 @@ long IRrecv::decodeMitsubishi(decode_results *results) {
   results->decode_type = MITSUBISHI;
   return DECODED;
 }
-
+#endif
 
 // Gets one undecoded level at a time from the raw buffer.
 // The RC5/6 decoding is easier if the data is broken into time intervals.
@@ -858,6 +911,7 @@ int IRrecv::getRClevel(decode_results *results, int *offset, int *used, int t1)
 #endif
   return val;   
 }
+#endif
 
 long IRrecv::decodeRC5(decode_results *results) {
   if (irparams.rawlen < MIN_RC5_SAMPLES + 2) {
@@ -944,6 +998,8 @@ long IRrecv::decodeRC6(decode_results *results) {
   results->decode_type = RC6;
   return DECODED;
 }
+
+#ifdef PANASONIC
 long IRrecv::decodePanasonic(decode_results *results) {
     unsigned long long data = 0;
     int offset = 1;
@@ -977,7 +1033,9 @@ long IRrecv::decodePanasonic(decode_results *results) {
     results->bits = PANASONIC_BITS;
     return DECODED;
 }
+#endif
 
+#ifdef LG
 long IRrecv::decodeLG(decode_results *results) {
     long data = 0;
     int offset = 1; // Skip first space
@@ -1023,6 +1081,9 @@ long IRrecv::decodeLG(decode_results *results) {
 }
 
 
+#endif
+
+#ifdef JVC
 long IRrecv::decodeJVC(decode_results *results) {
     long data = 0;
     int offset = 1; // Skip first space
@@ -1074,7 +1135,9 @@ long IRrecv::decodeJVC(decode_results *results) {
     results->decode_type = JVC;
     return DECODED;
 }
+#endif
 
+#ifdef SAMSUNG
 // SAMSUNGs have a repeat only 4 items long
 long IRrecv::decodeSAMSUNG(decode_results *results) {
   long data = 0;
@@ -1123,6 +1186,7 @@ long IRrecv::decodeSAMSUNG(decode_results *results) {
   results->decode_type = SAMSUNG;
   return DECODED;
 }
+#endif
 
 /**
  * Aiwa system
@@ -1130,6 +1194,7 @@ long IRrecv::decodeSAMSUNG(decode_results *results) {
  * Lirc file http://lirc.sourceforge.net/remotes/aiwa/RC-T501 
  *
  */
+ #ifdef AIWA_RC_T501
 long IRrecv::decodeAiwaRCT501(decode_results *results) {
   int data = 0;
   int offset = 1; // skip first garbage read
@@ -1183,6 +1248,8 @@ long IRrecv::decodeAiwaRCT501(decode_results *results) {
   return DECODED;
 }
 
+#endif
+
 /* -----------------------------------------------------------------------
  * hashdecode - decode an arbitrary IR code.
  * Instead of decoding using a standard encoding scheme
@@ -1259,7 +1326,9 @@ i.e. use 0x1C10 instead of 0x0000000000001C10 which is listed in the
 linked LIRC file.
 */
 
-void IRsend::sendSharpRaw(unsigned long data, int nbits) {
+#ifdef IRsendSHARP
+void IRsend::sendSharp(unsigned long data, int nbits) {
+  unsigned long invertdata = data ^ SHARP_TOGGLE_MASK;
   enableIROut(38);
 
   // Sending codes in bursts of 3 (normal, inverted, normal) makes transmission
@@ -1289,7 +1358,11 @@ void IRsend::sendSharp(unsigned int address, unsigned int command) {
   sendSharpRaw((address << 10) | (command << 2) | 2, 15);
 }
 
-void IRsend::sendDISH(unsigned long data, int nbits) {
+#endif
+
+#ifdef IRsendDISH
+void IRsend::sendDISH(unsigned long data, int nbits)
+{
   enableIROut(56);
   mark(DISH_HDR_MARK);
   space(DISH_HDR_SPACE);
@@ -1305,13 +1378,15 @@ void IRsend::sendDISH(unsigned long data, int nbits) {
     data <<= 1;
   }
 }
-
+#endif
 /**
  * Aiwa system
  * Remote control RC-T501
  * Lirc file http://lirc.sourceforge.net/remotes/aiwa/RC-T501 
  *
  */
+
+ #ifdef AIWA_RC_T501
 void IRsend::sendAiwaRCT501(int code) {
   // PRE-DATA, 26 bits, 0x227EEC0
   long int pre = 0x227EEC0;
@@ -1354,4 +1429,5 @@ void IRsend::sendAiwaRCT501(int code) {
 
   mark(AIWA_RC_T501_BIT_MARK);
   space(0);
-}
\ No newline at end of file
+}
+#endif
diff --git a/IRremote.h b/IRremote.h
index 271f17e..a86be45 100644
--- a/IRremote.h
+++ b/IRremote.h
@@ -39,6 +39,20 @@ public:
   int rawlen; // Number of records in rawbuf.
 };
 
+// Send types
+#define IRsendNEC
+#define IRsendSONY
+#define IRsendRC5
+#define IRsendRC6
+#define IRsendDISH
+#define IRsendSHARP
+#define IRsendPANASONIC
+#define IRsendJVC
+#define IRsendSANYO
+#define IRsendMITSUBISHI
+#define IRsendSAMSUNG
+#define IRsendRAW
+
 // Values for decode_type
 #define NEC 1
 #define SONY 2
@@ -71,18 +85,45 @@ public:
 private:
   // These are called by decode
   int getRClevel(decode_results *results, int *offset, int *used, int t1);
+#ifdef NEC
   long decodeNEC(decode_results *results);
+#endif
+#ifdef SONY
   long decodeSony(decode_results *results);
+#endif
+#ifdef SANYO
   long decodeSanyo(decode_results *results);
+#endif
+#ifdef MITSUBISHI
   long decodeMitsubishi(decode_results *results);
+#endif
+#ifdef RC5
   long decodeRC5(decode_results *results);
+#endif
+#ifdef RC6
   long decodeRC6(decode_results *results);
+#endif
+#ifdef PANASONIC
   long decodePanasonic(decode_results *results);
+#endif
+#ifdef LG
   long decodeLG(decode_results *results);
+#endif
+#ifdef JVC
   long decodeJVC(decode_results *results);
+#endif
+#ifdef SAMSUNG
   long decodeSAMSUNG(decode_results *results);
+#endif
+
+#ifdef WHYNTER
   long decodeWhynter(decode_results *results);
+#endif
+
+#ifdef AIWA_RC_T501
   long decodeAiwaRCT501(decode_results *results);
+#endif
+
   long decodeHash(decode_results *results);
   int compare(unsigned int oldval, unsigned int newval);
 
@@ -99,23 +140,44 @@ class IRsend
 {
 public:
   IRsend() {}
+  void sendRaw(unsigned int buf[], int len, int hz);
+  void sendRC5(unsigned long data, int nbits);
+  void sendRC6(unsigned long data, int nbits);
+
+#ifdef WHYNTER
   void sendWhynter(unsigned long data, int nbits);
+#endif
+#ifdef NEC 
   void sendNEC(unsigned long data, int nbits);
+#endif
+#ifdef SONY 
   void sendSony(unsigned long data, int nbits);
   // Neither Sanyo nor Mitsubishi send is implemented yet
   //  void sendSanyo(unsigned long data, int nbits);
   //  void sendMitsubishi(unsigned long data, int nbits);
-  void sendRaw(unsigned int buf[], int len, int hz);
-  void sendRC5(unsigned long data, int nbits);
-  void sendRC6(unsigned long data, int nbits);
+#endif
+
+#ifdef DISH 
   void sendDISH(unsigned long data, int nbits);
+#endif
+#ifdef SHARP
   void sendSharp(unsigned int address, unsigned int command);
   void sendSharpRaw(unsigned long data, int nbits);
+#endif
+#ifdef IRsendSHARP
+  void sendSharp(unsigned long data, int nbits);
+#endif
+#ifdef PANASONIC
   void sendPanasonic(unsigned int address, unsigned long data);
+#endif
+#ifdef JVC
   void sendJVC(unsigned long data, int nbits, int repeat); // *Note instead of sending the REPEAT constant if you want the JVC repeat signal sent, send the original code value and change the repeat argument from 0 to 1. JVC protocol repeats by skipping the header NOT by sending a separate code value like NEC does.
   void sendAiwaRCT501(int code);
   // private:
+#endif
+#ifdef SAMSUNG 
   void sendSAMSUNG(unsigned long data, int nbits);
+#endif
   void enableIROut(int khz);
   VIRTUAL void mark(int usec);
   VIRTUAL void space(int usec);
diff --git a/examples/AiwaRCT501SendDemo/AiwaRCT501SendDemo.ino b/examples/AiwaRCT501SendDemo/AiwaRCT501SendDemo.ino
index 694bacc..5a9862b 100644
--- a/examples/AiwaRCT501SendDemo/AiwaRCT501SendDemo.ino
+++ b/examples/AiwaRCT501SendDemo/AiwaRCT501SendDemo.ino
@@ -9,6 +9,7 @@
 #include "IRremote.h"
 
 #define POWER 0x7F80
+#define AIWA_RC_T501
 
 IRsend irsend;