diff --git a/esp3d/src/core/espcmd/ESP201.cpp b/esp3d/src/core/espcmd/ESP201.cpp
index 27a6fdb9..dac20a24 100644
--- a/esp3d/src/core/espcmd/ESP201.cpp
+++ b/esp3d/src/core/espcmd/ESP201.cpp
@@ -107,7 +107,7 @@ bool Commands::ESP201(const char* cmd_params, level_authenticate_type auth_type,
                     if (!Hal::analogWrite(pin, value)) {
                         output->printERROR ("Invalid value!");
                         response = false;
-                    }
+                    } else output->printMSG ("ok");
                 } else {
                     output->printERROR ("Invalid parameter!");
                     response = false;
diff --git a/esp3d/src/core/hal.cpp b/esp3d/src/core/hal.cpp
index abe6a3d4..0d8acfa5 100644
--- a/esp3d/src/core/hal.cpp
+++ b/esp3d/src/core/hal.cpp
@@ -61,7 +61,7 @@ void Hal::pinMode(uint8_t pin, uint8_t mode)
 {
 #if defined (ARDUINO_ARCH_ESP8266)
     if ((pin == 16) && (mode == INPUT_PULLUP)) {
-        pinMode(pin, INPUT_PULLDOWN_16);
+        ::pinMode(pin, INPUT_PULLDOWN_16);
         return;
     }
 #endif
@@ -104,9 +104,9 @@ int Hal::analogRead(uint8_t pin)
 {
 #ifdef ARDUINO_ARCH_ESP8266 //only one ADC on ESP8266 A0
     (void)pin;
-    return analogRead (A0);
+    return ::analogRead (A0);
 #else
-    return analogRead (pin);
+    return ::analogRead (pin);
 #endif
 }
 
@@ -135,7 +135,7 @@ bool Hal::analogWrite(uint8_t pin, uint value)
         return false;
     }
 #ifdef ARDUINO_ARCH_ESP8266
-    analogWrite(pin, value);
+    ::analogWrite(pin, value);
 #endif //ARDUINO_ARCH_ESP8266
 #ifdef ARDUINO_ARCH_ESP32
     int channel  = getAnalogWriteChannel(pin);
@@ -171,14 +171,14 @@ void Hal::analogWriteFreq(uint32_t freq)
 {
     _analogWriteFreq = freq;
 #ifdef ARDUINO_ARCH_ESP8266
-    analogWriteFreq(_analogWriteFreq);
+    ::analogWriteFreq(_analogWriteFreq);
 #endif //ARDUINO_ARCH_ESP8266
 }
 void Hal::analogWriteRange(uint32_t range)
 {
     _analogWriteRange = range;
 #ifdef ARDUINO_ARCH_ESP8266
-    analogWriteRange(_analogWriteRange);
+    ::analogWriteRange(_analogWriteRange);
 #endif //ARDUINO_ARCH_ESP8266
 }
 
diff --git a/esp3d/src/include/version.h b/esp3d/src/include/version.h
index ed68671d..dade5bf2 100644
--- a/esp3d/src/include/version.h
+++ b/esp3d/src/include/version.h
@@ -22,7 +22,7 @@
 #define _VERSION_ESP3D_H
 
 //version and sources location
-#define FW_VERSION "3.0.0.a78"
+#define FW_VERSION "3.0.0.a79"
 #define REPOSITORY "https://github.com/luc-github/ESP3D/tree/3.0"
 
 #endif //_VERSION_ESP3D_H