diff --git a/Multiprotocol/Multiprotocol 2.zip b/Multiprotocol/Multiprotocol 2.zip
deleted file mode 100644
index 1f14be8..0000000
Binary files a/Multiprotocol/Multiprotocol 2.zip and /dev/null differ
diff --git a/Multiprotocol/Multiprotocol 3.zip b/Multiprotocol/Multiprotocol 3.zip
deleted file mode 100644
index 8eef260..0000000
Binary files a/Multiprotocol/Multiprotocol 3.zip and /dev/null differ
diff --git a/Multiprotocol/Multiprotocol.ino b/Multiprotocol/Multiprotocol.ino
index 27b0286..58ee07d 100644
--- a/Multiprotocol/Multiprotocol.ino
+++ b/Multiprotocol/Multiprotocol.ino
@@ -248,6 +248,11 @@ void setup()
 		// Timer1 config
 		TCCR1A = 0;
 		TCCR1B = (1 << CS11);	//prescaler8, set timer1 to increment every 0.5us(16Mhz) and start timer
+#ifdef ENABLE_NUNCHUCK
+		TCCR2A = 0; 			//default
+		TCCR2B = 0b00000010; 	// clk/8
+		TIMSK2 = 0b00000001; 	// TOIE2  
+#endif
 		
 		// Random
 		random_init();
@@ -1159,6 +1164,20 @@ static uint32_t random_id(uint16_t adress, uint8_t create_new)
 /**************************/
 /**************************/
 
+//NUNCHUCK
+#ifdef ENABLE_NUNCHUCK
+ISR (TIMER2_OVF_vect) {
+	static uint16_t Prev_TCNT2=0;
+	// le flag OVF est mis à zéro par la fonction ISR
+	TCNT2 = 62; 
+	// 256-200 --> 200X50ns = 100 us
+	if (Prev_TCNT2++ > 10000) {
+		Prev_TCNT2 = 0;
+		nunchuck_update();
+	} 
+}
+#endif
+
 //PPM
 #ifdef ENABLE_PPM
 	#ifdef ORANGE_TX
diff --git a/Multiprotocol/Validate.h b/Multiprotocol/Validate.h
index e92d6f1..f54a13f 100644
--- a/Multiprotocol/Validate.h
+++ b/Multiprotocol/Validate.h
@@ -22,9 +22,6 @@
 	#if not defined(ARDUINO_AVR_PRO) && not defined(ARDUINO_AVR_MINI) && not defined(ARDUINO_AVR_NANO)
 		#error You must select one of these boards: "Multi 4-in-1", "Arduino Pro or Pro Mini" or "Arduino Mini"
 	#endif
-	#if F_CPU != 16000000L || not defined(__AVR_ATmega328P__)
-		#error You must select the processor type "ATmega328(5V, 16MHz)"
-	#endif
 	
 	#undef ENABLE_SERIAL
 	#undef ENABLE_PPM
diff --git a/Multiprotocol/sync.ffs_db b/Multiprotocol/sync.ffs_db
index b1813b4..d5cceee 100644
Binary files a/Multiprotocol/sync.ffs_db and b/Multiprotocol/sync.ffs_db differ