diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteADC.h b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteADC.h
index ac91e20..616015f 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteADC.h
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteADC.h
@@ -718,8 +718,8 @@ static int32_t read_LPTIA_Iin(){
 //        Iin = rawIin / 0.102;
     }
 //    InputNotify(NOTIFY_VOLT, dftdat);
-    InputNotify(NOTIFY_CURRENT, Iin);
-    InputNotify(NOTIFY_IMPEDANCE, instru.ADCGainLv);
+    // InputNotify(NOTIFY_CURRENT, Iin);
+    // InputNotify(NOTIFY_IMPEDANCE, instru.ADCGainLv);
     return Iin;
 }
 
diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteDAC.h b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteDAC.h
index d44634b..798cbf3 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteDAC.h
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteDAC.h
@@ -21,18 +21,25 @@ static int32_t DAC_outputV(int32_t voltLVraw) {   // LPDAC output, voltLV = Vbia
     int32_t ret;
     int32_t vscan;
     int64_t v_z;
-    int64_t v_zero;
+    static int64_t v_zero;
     int64_t v_bias;
-    uint8_t n_zero;//6btit
+    static uint8_t n_zero;//6btit
     uint16_t n_bias;//12bit
     uint32_t DACOutCode;
     
     vscan = voltLVraw;
 
+    static bool n_zero_temp = true;
+
     v_z = (V_5nV(2200) - (int64_t)vscan) * 200000 / 431579 + V_5nV(200);     // v_z = (V_5nV(2200) - vscan)/2.157895 + V_5nV(200);
-    n_zero = v_z * 100 / V_5nV(3438);                                        // n_zero = v_z / V_5nV(34.38);
-    v_zero = (int64_t)n_zero * V_5nV(3438) / 100;                            // v_zero = n_zero * V_5nV(34.38);
-                                                                             //
+    if (n_zero_temp) {
+        n_zero_temp = false;
+        n_zero = v_z * 100 / V_5nV(3438);  
+        v_zero = (int64_t)n_zero * V_5nV(3438) / 100; 
+    }
+                                                                             // n_zero = v_z / V_5nV(34.38);
+                                                                             // v_zero = n_zero * V_5nV(34.38);
+                                                               //
     if (vscan < 0) {                                                         //
         v_zero -= V_5nV(5372) / 10000;                                       // v_zero -= V_5nV(0.5372);
     }                                                                        //
@@ -40,20 +47,20 @@ static int32_t DAC_outputV(int32_t voltLVraw) {   // LPDAC output, voltLV = Vbia
     v_bias = vscan + v_zero;                                                 // v_bias = vscan + v_zero;
     n_bias = v_bias * 10000 / V_5nV(5372);                                   // n_bias = v_bias / V_5nV(0.5372);
 
-    while (n_bias >= 4096) {
-        n_zero--;
-        v_zero = (int64_t)n_zero * V_5nV(3438) / 100;
+    // while (n_bias >= 4096) {
+    //     n_zero--;
+    //     v_zero = (int64_t)n_zero * V_5nV(3438) / 100;
 
-        if (vscan < 0) {
-            v_zero -= V_5nV(5372) / 10000;                              
-        }
+    //     if (vscan < 0) {
+    //         v_zero -= V_5nV(5372) / 10000;                              
+    //     }
 
-        v_bias = vscan + v_zero;                                      
-        n_bias = v_bias * 10000 / V_5nV(5372);  
+    //     v_bias = vscan + v_zero;                                      
+    //     n_bias = v_bias * 10000 / V_5nV(5372);  
 
-        if (n_bias < 4096)
-            break;
-    }
+    //     if (n_bias < 4096)
+    //         break;
+    // }
 
 
     DACOutCode = (0x0003FFFF & ((n_zero << 12) + n_bias));
@@ -79,7 +86,11 @@ static int32_t DAC_outputV(int32_t voltLVraw) {   // LPDAC output, voltLV = Vbia
     w32_REG(DACOutCode);
 
     ret = (int32_t)(v_bias - v_zero) / 200;  //vscan
-    InputNotify(NOTIFY_VOLT, ret/200);
+
+
+    InputNotify(NOTIFY_CURRENT, n_zero);
+    InputNotify(NOTIFY_VOLT, n_bias);
+    InputNotify(NOTIFY_IMPEDANCE, vscan/200);
 
     return ret;
 }
diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/Elite_PIN.h b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/Elite_PIN.h
index 40ed408..f394cb8 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/Elite_PIN.h
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/Elite_PIN.h
@@ -31,7 +31,7 @@
 
 #define switch_on                       IOID_14
 #define enable_5v                       IOID_9
-#define AD_reset                        IOID_13
+#define AD_reset                        IOID_7
 #define enable_10v                      PIN_UNASSIGNED
 #define HIGH_Z_MODE                     PIN_UNASSIGNED
 #define shutdown_6994                   PIN_UNASSIGNED