diff --git a/src/lorawan.cpp b/src/lorawan.cpp
index 78be8852..3d061893 100644
--- a/src/lorawan.cpp
+++ b/src/lorawan.cpp
@@ -118,10 +118,15 @@ void do_send(osjob_t* j){
     mydata[0] = (data & 0xff00) >> 8;
     mydata[1] = data  & 0xff;
     
+    #ifdef BLECOUNTER
     // Sum of unique BLE MACs seen
     data = (uint16_t) bles.size();
     mydata[2] = (data & 0xff00) >> 8;
     mydata[3] = data  & 0xff;
+    #else
+    mydata[2] = 0;
+    mydata[3] = 0;
+    #endif
 
     // Total BLE+WIFI unique MACs seen
     // TBD ?
diff --git a/src/macsniff.cpp b/src/macsniff.cpp
index c3e75f7e..8822d0fa 100644
--- a/src/macsniff.cpp
+++ b/src/macsniff.cpp
@@ -60,10 +60,13 @@ bool mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
             if (sniff_type == MAC_SNIFF_WIFI ) {
                 rgb_set_color(COLOR_GREEN);
                 wifis.insert(hashedmac);   // add hashed MAC to wifi container if new unique
-            } else if (sniff_type == MAC_SNIFF_BLE ) {
+            } 
+            #ifdef BLECOUNTER
+            else if (sniff_type == MAC_SNIFF_BLE ) {
                 rgb_set_color(COLOR_MAGENTA);
                 bles.insert(hashedmac);    // add hashed MAC to BLE container if new unique
             }
+            #endif
             // Not sure user will have time to see the LED
             // TBD do light off further in the code
             rgb_set_color(COLOR_NONE);
@@ -72,7 +75,12 @@ bool mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
         ESP_LOGI(TAG, "%s RSSI %ddBi -> MAC %s -> Hash %04X -> WiFi:%d  BLE:%d  %s", 
                         sniff_type==MAC_SNIFF_WIFI ? "WiFi":"BLE ", 
                         rssi, buff, hashedmac, 
-                        (int) wifis.size(), (int) bles.size(),
+                        (int) wifis.size(), 
+                        #ifdef BLECOUNTER
+                            (int) bles.size(),
+                        #else
+                            0,
+                        #endif
                         added ? "New" : "Already seen");
 
     #ifdef VENDORFILTER
@@ -96,7 +104,7 @@ class MyAdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks {
         /* to be done here:
         #ifdef VENDORFILTER
         
-        filter BLE devices using their advertisements to get second filter additional to vendor OUI
+        filter BLE devices using their advertisements to get filter alternative to vendor OUI
         if vendorfiltering is on, we ...
         - want to count: mobile phones and tablets
         - don't want to count: beacons, peripherals (earphones, headsets, printers), cars and machines
@@ -105,11 +113,9 @@ class MyAdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks {
 
         http://www.libelium.com/products/meshlium/smartphone-detection/
 
-        http://dev.ti.com/tirex/content/simplelink_academy_cc2640r2sdk_1_12_01_16/modules/ble_scan_adv_basic/ble_scan_adv_basic.html
+        https://www.question-defense.com/2013/01/12/bluetooth-cod-bluetooth-class-of-deviceclass-of-service-explained
 
-        http://microchipdeveloper.com/wireless:ble-link-layer-packet-types
-
-        http://microchipdeveloper.com/wireless:ble-link-layer-address
+        https://www.bluetooth.com/specifications/assigned-numbers/baseband
 
         "The Class of Device (CoD) in case of Bluetooth which allows us to differentiate the type of 
         device (smartphone, handsfree, computer, LAN/network AP). With this parameter we can 
diff --git a/src/main.cpp b/src/main.cpp
index 7b8c637f..518e81ad 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -218,7 +218,7 @@ void lorawan_loop(void * pvParameters) {
 #ifdef BLECOUNTER
     void BLECount(void);
 #else
-    btStop();
+    bool btstop = btStop();
 #endif
 
 void set_onboard_led(int st){
@@ -272,24 +272,27 @@ void sniffer_loop(void * pvParameters) {
         ESP_LOGI(TAG, "Wifi set channel %d", channel);
 
         snprintf(buff, sizeof(buff), "PAX:%d", (int) macs.size()); // convert 16-bit MAC counter to decimal counter value
-        u8x8.draw2x2String(0, 0, buff);          // display number on unique macs total Wifi + BLE
-        u8x8.setCursor(0,3);
-        // We just state out of BLE scanning
-        if (currentScanDevice) {
-            u8x8.printf("BLE:  %-4d %-4d", (int) bles.size(), currentScanDevice);
-        } else {
-            u8x8.printf("BLE:  %-4d", (int) bles.size());
-        }
+        u8x8.draw2x2String(0, 0, buff);          // display number on unique macs total
+
+        #ifdef BLECOUNTER
+            // We just state out of BLE scanning
+            u8x8.setCursor(0,3);
+            if (currentScanDevice) {
+                u8x8.printf("BLE:  %-4d %-4d", (int) bles.size(), currentScanDevice);
+            } else {
+                u8x8.printf("BLE:  %-4d", (int) bles.size());
+            }
+        #endif
+
         u8x8.setCursor(0,4);
         u8x8.printf("WIFI: %-4d", (int) wifis.size());
         u8x8.setCursor(11,4);
         u8x8.printf("ch:%02i", channel);
         u8x8.setCursor(0,5);
         u8x8.printf(!cfg.rssilimit ? "RLIM: off" : "RLIM: %-3d", cfg.rssilimit);
-        //u8x8.printf(" ch:%02i", channel);
 
         // duration of one wifi scan loop reached? then send data and begin new scan cycle
-        if( nloop >= ( (100 / cfg.wifichancycle) * (cfg.wifiscancycle * 2)) +1 ) {
+        if ( nloop >= ( (100 / cfg.wifichancycle) * (cfg.wifiscancycle * 2)) +1 ) {
             u8x8.setPowerSave(!cfg.screenon);           // set display on if enabled
             nloop=0; channel=0;                         // reset wifi scan + channel loop counter           
             do_send(&sendjob);                          // Prepare and execute LoRaWAN data upload
@@ -301,7 +304,7 @@ void sniffer_loop(void * pvParameters) {
                 macs.clear();                           // clear all macs container
                 wifis.clear();                          // clear Wifi macs couner
                 #ifdef BLECOUNTER
-                  bles.clear();                         // clear BLE macs counter
+                    bles.clear();                         // clear BLE macs counter
                 #endif 
                 salt_reset(); // get new salt for salting hashes
                 u8x8.clearLine(0); // clear Display counter 
@@ -336,8 +339,9 @@ void sniffer_loop(void * pvParameters) {
         else {
             #ifdef BLECOUNTER
                 if (nloop % (WIFI_CHANNEL_MAX * cfg.blescancycle) == 0 )   // once after cfg.blescancycle Wifi scans, do a BLE scan
-                    if (cfg.blescan)                 // execute BLE count if BLE function is enabled
-                        BLECount();           
+                    if (cfg.blescan) {              // execute BLE count if BLE function is enabled
+                        BLECount();                 // start BLE scan, this is a blocking call
+                    }
             #endif
         } // end of channel rotation loop
     } // end of infinite wifi scan loop
diff --git a/src/main.h b/src/main.h
index 305bd81a..a532af16 100644
--- a/src/main.h
+++ b/src/main.h
@@ -9,7 +9,7 @@
 
 // set this to include BLE counting and vendor filter functions
 #define VENDORFILTER                    1       // comment out if you want to count things, not people
-#define BLECOUNTER                      1       // comment out if you don't want BLE count
+//#define BLECOUNTER                      1       // comment out if you don't want BLE count
 
 // BLE scan parameters
 #define BLESCANCYCLE                    2       // BLE scan once after each <BLECYCLE> wifi scans
diff --git a/src/rcommand.cpp b/src/rcommand.cpp
index a0f3a535..b99fe35f 100644
--- a/src/rcommand.cpp
+++ b/src/rcommand.cpp
@@ -68,7 +68,9 @@ void set_reset(int val) {
             ESP_LOGI(TAG, "Remote command: reset MAC counter");
             macs.clear(); // clear all macs container
             wifis.clear(); // clear Wifi macs container
-            bles.clear(); // clear BLE macs container
+            #ifdef BLECOUNTER
+                bles.clear(); // clear BLE macs container
+            #endif
             salt_reset(); // get new 16bit salt
             u8x8.clearLine(0); u8x8.clearLine(1); // clear Display counter
             u8x8.clearLine(5);