diff --git a/EServer.cpp b/EServer.cpp
index abb225c..2e2fe1c 100644
--- a/EServer.cpp
+++ b/EServer.cpp
@@ -24,7 +24,7 @@ bool EmlaServer::Connect2WiFi(const char *ssid, const char *password, int timeou
   Serial.print("Attempting to connect to SSID: ");
   Serial.println(ssid);
 #ifdef ESP8266
-  WiFi.setInsecure();
+//  WiFi.setInsecure();
 #endif
   WiFi.begin(ssid, password);
 
diff --git a/HTTPSP.cpp b/HTTPSP.cpp
index 4a17a4b..dac0eaf 100644
--- a/HTTPSP.cpp
+++ b/HTTPSP.cpp
@@ -26,7 +26,9 @@
  */
 
 #include <Arduino.h>
+#ifdef ESP32
 #include <esp32-hal-log.h>  
+#endif
 
 #ifdef HTTPCLIENT_1_1_COMPATIBLE
 #include <WiFi.h>
@@ -73,9 +75,11 @@ class TLSTraits : public TransportTraits
     bool verify(WiFiClient& client, const char* host) override
     {
          WiFiClientSecure& wcs = static_cast<WiFiClientSecure&>(client);
+#ifdef ESP32
          wcs.setCACert(_cacert);
          wcs.setCertificate(_clicert);
          wcs.setPrivateKey(_clikey);
+#endif
          return true;
     }
 
diff --git a/Main.cpp b/Main.cpp
index ab8818d..fd471c7 100644
--- a/Main.cpp
+++ b/Main.cpp
@@ -1,4 +1,6 @@
+#ifdef ESP32
 #include "esp32-hal-ledc.h"
+#endif
 #include "Oled.h"
 #include "Defs.h"
 #include "TimeF.h"
@@ -44,11 +46,13 @@ void setup()
   // OLED
   oledDisplay.Init();
 
-  // servo
+  // servo only supported for ESP32
+#ifdef ESP32
   // channel 1, 50 Hz, 16 bit width
   ledcSetup(1, 50, 16);
   // GPIO 2 attached to channel 1
   ledcAttachPin(SERVO_PIN, 1);
+#endif
 
   // --------------------------------------------------------------------------
   // WiFi connection
diff --git a/Session.cpp b/Session.cpp
index 97b2d72..29466ed 100644
--- a/Session.cpp
+++ b/Session.cpp
@@ -90,6 +90,8 @@ void Session::Lock()
 // ------------------------------------------------------------------------
 void Session::ForcedUnlock()
 {
+  // servo only supported for ESP32
+#ifdef ESP32
   oledDisplay.PrintDisplay("Unlock GRANTED!");
   ledcAttachPin(SERVO_PIN, 1);
   delay(50);
@@ -100,6 +102,7 @@ void Session::ForcedUnlock()
   ledcWrite(1, 999);
   delay(500);
   ledcDetachPin(SERVO_PIN);
+#endif
 }