diff --git a/Board320_240.cpp b/Board320_240.cpp
index 99b31d3..0c2da3e 100644
--- a/Board320_240.cpp
+++ b/Board320_240.cpp
@@ -1052,7 +1052,7 @@ void Board320_240::menuItemClick() {
       case 4031: liveData->settings.pressureUnit = 'b'; showParentMenu = true; break;
       case 4032: liveData->settings.pressureUnit = 'p'; showParentMenu = true; break;
       // Pair ble device
-      case 2: scanDevices = true; commInterface->scanDevices(); return;
+      case 2: scanDevices = true; liveData->menuCurrent = 9999; commInterface->scanDevices(); return;
       // Reset settings
       case 8: resetSettings(); hideMenu(); return;
       // Save settings
diff --git a/CommObd2Ble4.cpp b/CommObd2Ble4.cpp
index f25a8e0..37a09a5 100644
--- a/CommObd2Ble4.cpp
+++ b/CommObd2Ble4.cpp
@@ -215,10 +215,10 @@ void CommObd2Ble4::startBleScan() {
   board->displayMessage(" > Scanning BLE4 devices", tmpStr1);
 
   // Scan devices from menu, show list of devices
-  if (liveData->menuItemSelected == 2) {
+ if (liveData->menuCurrent == 9999) {
     Serial.println("Display menu with devices");
     liveData->menuVisible = true;
-    liveData->menuCurrent = 9999;
+    //liveData->menuCurrent = 9999;
     liveData->menuItemSelected = 0;
     board->showMenu();
   } else {
diff --git a/README.md b/README.md
index c832d6f..2331202 100644
--- a/README.md
+++ b/README.md
@@ -22,10 +22,14 @@ Many thanks to Blas, Jens, Калин, Aleš Dokupil and others for help. Thank
 Board
 - M5STACK CORE1 IOT Development Kit(~EUR 35)
   https://rlx.sk/sk/m5stack/7285-esp32-basic-core-iot-development-kit-m5-k001-m5stack.html
+- optional M5 COMMU (CAN) module
+- optional M5 GPS NEO-M8N (with external atenna)
+- optional M5 SIM800L GPS module (dev)
   
 or 
-- LILYGO TTGO T4 v1.3 (~USD $30) https://www.banggood.com/LILYGO-TTGO-T-Watcher-BTC-Ticker-ESP32-For-Bitcoin-Price-Program-4M-SPI-Flash-Psram-LCD-Display-Module-p-1345292.html
-I RECOMMEND TO REMOVE LION BATTERY DUE TO HIGH SUMMER TEMPERATURES
+- older device LILYGO TTGO T4 v1.3 (~USD $30) 
+  https://www.banggood.com/LILYGO-TTGO-T-Watcher-BTC-Ticker-ESP32-For-Bitcoin-Price-Program-4M-SPI-Flash-Psram-LCD-Display-Module-p-1345292.html
+  I RECOMMEND TO REMOVE LION BATTERY DUE TO HIGH SUMMER TEMPERATURES
 
 OBD2 adapter
 - Supported is only this model... Vgate iCar Pro Bluetooth 4.0 (BLE4) OBD2 (~USD $30)
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 2af74e6..f79447e 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -3,6 +3,7 @@
 ### Next version
 - removed debug screen
 - sdcard working only with m5stack
+- M5 COMMU (CAN) module support.
 
 ### v2.1.1 2020-12-14
 - tech refactoring: `hexToDecFromResponse`, `decFromResponse`
diff --git a/config.h b/config.h
index 2b4dfad..e9f5d75 100644
--- a/config.h
+++ b/config.h
@@ -2,7 +2,7 @@
 
 #include <BLEDevice.h>
 
-#define APP_VERSION "v2.1.1"
+#define APP_VERSION "v2.2.0-dev"
 #define APP_RELEASE_DATE "2020-12-14"
 
 // TFT COLORS FOR TTGO
diff --git a/dist/ttgo_t4_v13/evDash.ino.bin b/dist/ttgo_t4_v13/evDash.ino.bin
index 0f5c42a..45e88e8 100644
Binary files a/dist/ttgo_t4_v13/evDash.ino.bin and b/dist/ttgo_t4_v13/evDash.ino.bin differ