diff --git a/FC_InferfaceBoard/Analog_Out.ino b/FC_InferfaceBoard/Analog_Out.ino
index 32f3d6b..30a4895 100644
--- a/FC_InferfaceBoard/Analog_Out.ino
+++ b/FC_InferfaceBoard/Analog_Out.ino
@@ -1,4 +1,4 @@
-String AO_setup(int i, int Rng) {
+void AO_setup(int i, int Rng) {
 
   DFRobot_GP8403 AO;
   bool needBegin = true;
@@ -38,9 +38,9 @@ String AO_setup(int i, int Rng) {
   }
 
   if(needBegin){  // If not begin yet
-    Serial.println("AO_0 init begin");
+    Serial.println("AO init begin");
     while(AO.begin()!=0);
-    Serial.println("AO_0 init succeed");
+    Serial.println("AO init succeed");
     AO.setDACOutVoltage(0, 0);
     AO.setDACOutVoltage(0, 1);
     delay(20);
@@ -54,9 +54,10 @@ String AO_setup(int i, int Rng) {
     }
   }
   RngAO[i] = Rng;
+  Serial.println("AO FIN");
 }
 
-String AO_Write(int i, int volt) {
+void AO_Write(int i, int volt) {
 
   DFRobot_GP8403 AO;
   int ch;
diff --git a/FC_InferfaceBoard/FC_InferfaceBoard.ino b/FC_InferfaceBoard/FC_InferfaceBoard.ino
index 62fb291..12a8e54 100644
--- a/FC_InferfaceBoard/FC_InferfaceBoard.ino
+++ b/FC_InferfaceBoard/FC_InferfaceBoard.ino
@@ -63,7 +63,7 @@ DFRobot_GP8403 AO_10(&Wire,0x5D);
 DFRobot_GP8403 AO_12(&Wire,0x5E);
 DFRobot_GP8403 AO_14(&Wire,0x5F);
 
-int voltOffset = 185;
+int voltOffset = 0;//185;
 int RngAO[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
 // ========== ========== Processing
 
diff --git a/FC_InferfaceBoard/Processes.ino b/FC_InferfaceBoard/Processes.ino
index aa89f1f..58ea9d7 100644
--- a/FC_InferfaceBoard/Processes.ino
+++ b/FC_InferfaceBoard/Processes.ino
@@ -201,4 +201,15 @@ String Prcss_RngAO(unsigned int data[], int dataSize){
   }
   str += RcvOK;
   return str + FIN;
+}
+
+String Prcss_ChMC9(unsigned int data[], int dataSize){
+  String str = "ChMC9!:";
+  int d = 2;
+  for(int i=0 ; i<dataSize ; i++){
+    AO_setup(i, data[i]);
+    delay(d);
+  }
+  str += RcvOK;
+  return str + FIN;
 }
\ No newline at end of file
diff --git a/Labview/Data_process.vi b/Labview/Data_process.vi
new file mode 100644
index 0000000..8d6c50f
Binary files /dev/null and b/Labview/Data_process.vi differ
diff --git a/Labview/IF_CMD.vi b/Labview/IF_CMD.vi
new file mode 100644
index 0000000..2574a01
Binary files /dev/null and b/Labview/IF_CMD.vi differ
diff --git a/Labview/IF_Loop.vi b/Labview/IF_Loop.vi
new file mode 100644
index 0000000..8b4f3b6
Binary files /dev/null and b/Labview/IF_Loop.vi differ