diff --git a/Multiprotocol/ASSAN_nrf24l01.ino b/Multiprotocol/ASSAN_nrf24l01.ino
new file mode 100644
index 0000000..d91d2bf
--- /dev/null
+++ b/Multiprotocol/ASSAN_nrf24l01.ino
@@ -0,0 +1,174 @@
+/*
+ This project is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Multiprotocol is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Multiprotocol.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#if defined(ASSAN_NRF24L01_INO)
+
+#include "iface_nrf24l01.h"
+
+#define ASSAN_PACKET_SIZE		20
+#define ASSAN_RF_BIND_CHANNEL	0x03
+#define ASSAN_ADDRESS_LENGTH	4
+
+enum {
+    ASSAN_BIND0=0,
+    ASSAN_BIND1,
+    ASSAN_BIND2,
+    ASSAN_DATA0,
+    ASSAN_DATA1,
+    ASSAN_DATA2,
+    ASSAN_DATA3,
+    ASSAN_DATA4,
+    ASSAN_DATA5
+};
+
+void ASSAN_init()
+{
+    NRF24L01_Initialize();
+    NRF24L01_WriteReg(NRF24L01_03_SETUP_AW, 0x02);			// 4 bytes rx/tx address
+	NRF24L01_WriteRegisterMulti(NRF24L01_10_TX_ADDR, (uint8_t *)"\x80\x80\x80\xB8", ASSAN_ADDRESS_LENGTH);		// Bind address
+	NRF24L01_WriteRegisterMulti(NRF24L01_0A_RX_ADDR_P0, (uint8_t *)"\x80\x80\x80\xB8", ASSAN_ADDRESS_LENGTH);	// Bind address
+	NRF24L01_FlushTx();
+	NRF24L01_FlushRx();
+    NRF24L01_WriteReg(NRF24L01_07_STATUS, 0x70);			// Clear data ready, data sent, and retransmit
+    NRF24L01_WriteReg(NRF24L01_01_EN_AA, 0x00);				// No Auto Acknowldgement on all data pipes
+	NRF24L01_WriteReg(NRF24L01_02_EN_RXADDR, 0x01);			// Enable data pipe 0 only
+	NRF24L01_WriteReg(NRF24L01_11_RX_PW_P0, ASSAN_PACKET_SIZE);
+    NRF24L01_SetPower();
+}
+
+void ASSAN_send_packet()
+{
+	uint16_t temp;
+	for(uint8_t i=0;i<10;i++)
+	{
+		temp=Servo_data[i]<<3;
+		packet[2*i]=temp>>8;
+		packet[2*i+1]=temp;
+	}
+ 	NRF24L01_WriteReg(NRF24L01_07_STATUS, 0x70);		// Clear data ready, data sent, and retransmit
+	NRF24L01_FlushTx();
+	NRF24L01_WritePayload(packet, ASSAN_PACKET_SIZE);
+}
+
+uint16_t ASSAN_callback()
+{
+	switch (phase)
+	{
+	// Bind
+		case ASSAN_BIND0:
+			//Config RX @1M
+			NRF24L01_WriteReg(NRF24L01_05_RF_CH, ASSAN_RF_BIND_CHANNEL);
+			NRF24L01_SetBitrate(NRF24L01_BR_1M);					// 1Mbps
+			NRF24L01_SetTxRxMode(RX_EN);
+			phase++;
+		case ASSAN_BIND1:
+			//Wait for RX to send the frames
+			if( NRF24L01_ReadReg(NRF24L01_07_STATUS) & BV(NRF24L01_07_RX_DR))
+			{ //Something has been received
+				NRF24L01_ReadPayload(packet, ASSAN_PACKET_SIZE);
+				if(packet[19]==0x13)
+				{ //Last packet received
+					phase++;
+					//Switch to TX
+					NRF24L01_SetTxRxMode(TXRX_OFF);
+					NRF24L01_SetTxRxMode(TX_EN);
+					//Prepare packet
+					memset(packet,0x05,ASSAN_PACKET_SIZE-5);
+					packet[15]=0x99;
+					for(uint8_t i=0;i<4;i++)
+						packet[16+i]=packet[23-i];
+					packet_count=0;
+					delay(260);
+					return 10000;	// Wait 270ms in total...
+				}
+			}
+			return 1000;
+		case ASSAN_BIND2:
+			// Send 20 packets
+			packet_count++;
+			if(packet_count==20)
+				packet[15]=0x13;	// different value for last packet
+			NRF24L01_WritePayload(packet, ASSAN_PACKET_SIZE);
+			if(packet_count==20)
+			{
+				phase++;
+				delay(2165);
+			}
+			return 22520;
+	// Normal operation
+		case ASSAN_DATA0:
+			// Bind Done
+			BIND_DONE;
+			NRF24L01_SetBitrate(NRF24L01_BR_250K);					// 250Kbps
+			NRF24L01_SetTxRxMode(TXRX_OFF);
+			NRF24L01_SetTxRxMode(TX_EN);
+		case ASSAN_DATA1:
+		case ASSAN_DATA4:
+			// Change ID and RF channel
+			NRF24L01_WriteRegisterMulti(NRF24L01_10_TX_ADDR,packet+20+4*hopping_frequency_no, ASSAN_ADDRESS_LENGTH);
+			NRF24L01_WriteReg(NRF24L01_05_RF_CH, hopping_frequency[hopping_frequency_no]);
+			hopping_frequency_no^=0x01;
+			NRF24L01_SetPower();
+			phase=ASSAN_DATA2;
+			return 2000;
+		case ASSAN_DATA2:
+		case ASSAN_DATA3:
+			ASSAN_send_packet();
+			phase++;	// DATA 3 or 4
+			return 5000;
+	}
+	return 0;
+}
+
+static void __attribute__((unused)) ASSAN_initialize_txid()
+{
+/*	//Renaud TXID with Freq=36 and alternate freq 67 or 68 or 69 or 70 or 71 or 73 or 74 or 75 or 78 and may be more...
+	packet[23]=0x22;
+	packet[22]=0x37;
+	packet[21]=0xFA;
+	packet[20]=0x53; */
+	// Using packet[20..23] to store the ID1 and packet[24..27] to store the ID2
+	uint8_t freq=0;
+	for(uint8_t i=0;i<4;i++)
+	{
+		uint8_t temp=rx_tx_addr[0];
+		packet[i+20]=temp;
+		packet[i+24]=temp+1;
+		freq+=temp;
+	}	
+
+	// Main frequency
+	freq=((freq%25)+2)<<1;
+	if(freq&0x02)	freq|=0x01;
+	hopping_frequency[0]=freq;
+	// Alternate frequency
+	hopping_frequency[1]=freq*2-6;
+	hopping_frequency[1]+=analogRead(A6)%12;		// Add some random to the second channel
+}
+
+uint16_t initASSAN()
+{
+	ASSAN_initialize_txid();
+	ASSAN_init();
+	hopping_frequency_no = 0;
+
+	if(IS_AUTOBIND_FLAG_on)
+		phase=ASSAN_BIND0;
+	else 
+		phase=ASSAN_DATA0;
+	return 1000;
+}
+
+#endif
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