diff --git a/src/tests/tests.ino b/src/tests/tests.ino
index 078b9f0..a6e6ee5 100644
--- a/src/tests/tests.ino
+++ b/src/tests/tests.ino
@@ -30,16 +30,28 @@ RF24 NRF_1(NRF_1_CE, NRF_1_CS);
 RF24 NRF_2(NRF_2_CE, NRF_2_CS);
 PCF8574 PCF(0x20);
 
-const uint8_t ADDR[] = "WEST1";
+const uint8_t ADDR[] = "WEST1", ADDR2[] = "ABCDE";
 uint64_t timeStamp(0), recvSlot(0), packetTimeout(0);
 uint32_t freeMem(0);
 uint16_t biggestContigMemBlock(0);
 uint8_t frag(0);
+volatile boolean IRQFlag(false);
+
+IRAM_ATTR void NRFIRQsHandler(void *p)
+{
+  Serial.println("NRF IRQs detected !");
+  *(boolean *)p = true;
+}
 
 void setup() {
   //We do not need to read on the serial bus
+  delay(1000);
+  Serial.println("\nSetup begin");
   Serial.begin(115200, SERIAL_8N1, SERIAL_TX_ONLY);
-  Serial.println("Setup begin");
+  //We set the RXD0 as a GPIO
+  pinMode(D9, FUNCTION_3);
+  pinMode(D9, INPUT);
+  attachInterruptArg(D9,&(NRFIRQsHandler), (void *)&IRQFlag, FALLING);
   //To prevent wear and tear on the flash mem
   WiFi.persistent(false);
   WiFi.disconnect(true);
@@ -82,21 +94,68 @@ void setup() {
   Serial.println("End setup");
 }
 
-void loop() {
-  // put your main code here, to run repeatedly:
+void loop() 
+{
   if(millis() - recvSlot > RECV_CHECK)
   {
-    if(NRF_1.available()) //Then we read the incoming data
+    //We check if we got and IRQ from one, both NRFs
+    if(IRQFlag)
     {
-      NRF_1.read(&p, sizeof(p));
-      Serial.printf("NRF 1 Received : \n");
-      debugStruct(&p);
-    }
-    if(NRF_2.available()) //Then we read the incoming data
-    {
-      NRF_2.read(&p, sizeof(p));
-      Serial.printf("NRF 2 Received : \n");
-      debugStruct(&p);
+      bool tx_ok, tx_fail, rx_ready;
+      //We read the PCFs IO to check which NRF raised the IRQ :
+      if(!PCF.digitalRead(PCF8574::P1)) //IRQs are active low
+      {
+        Serial.printf("NRF 1 triggered the IRQs\n Checking why :\n");
+        NRF_1.whatHappened(tx_ok, tx_fail, rx_ready);
+        if(tx_ok)
+        {
+          Serial.println("NRF 1 TX_OK");
+        }
+        if(tx_fail)
+        {
+          Serial.println("NRF 1 TX_FAIL");
+        }
+        if(rx_ready)
+        {
+          Serial.printf("NRF 1 Received %u bytes with sig(%s) : \n",NRF_1.getPayloadSize(), NRF_1.testRPD()?"good":"bad");
+          NRF_1.read(&p, sizeof(p));
+          debugStruct(&p);
+        }
+      }
+      if(!PCF.digitalRead(PCF8574::P0)) //IRQs are active low
+      {
+        Serial.printf("NRF 2 triggered the IRQs\n Checking why :\n");
+        NRF_2.whatHappened(tx_ok, tx_fail, rx_ready);
+        if(tx_ok)
+        {
+          Serial.println("NRF 2 TX_OK");
+        }
+        if(tx_fail)
+        {
+          Serial.println("NRF 2 TX_FAIL");
+        }
+        if(rx_ready)
+        {
+          Serial.printf("NRF 2 Received %u bytes with sig(%s) : \n",NRF_2.getPayloadSize(), NRF_2.testRPD()?"good":"bad");
+          NRF_2.read(&p, sizeof(p));
+          debugStruct(&p);
+        }
+      }
+
+      //We check if the RX fifo the NRFs are full
+      //If yes, it means we have a big problem since packets can be thrown away without notice
+      //Could be due to missed IRQs (very bad)
+      if(NRF_1.rxFifoFull())
+      {
+        Serial.println("NRF 1 FIFO FULL !!!!!!!!!!!!");
+        NRF_1.flush_rx();
+      }
+      if(NRF_2.rxFifoFull())
+      {
+        Serial.println("NRF 2 FIFO FULL !!!!!!!!!!!!");
+        NRF_2.flush_rx();
+      }
+      IRQFlag = false;
     }
     recvSlot = millis();
   }