diff --git a/README.md b/README.md
index f8d1a63..65ef4d8 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,8 @@ Unexpected Maker W.O.P.R. board.
 
 Install using the library manager in the Arduino IDE.
 
+This library is compatible with the ESP32 Arduino core version 2.x and 3.x.
+
 ## Usage
 
 The library exposes several classes that you can use to interact with the board.
@@ -19,6 +21,31 @@ The library exposes several classes that you can use to interact with the board.
  - `JBWoprMqttDevice` - This adds MQTT support to the `JBWoprWifiDevice` class.
  - `JBWoprHomeAssistantDevice` - This adds Home Assistant support to the `JBWoprMqttDevice` class.
 
+## Dependencies
+
+Depending on the class used the following libraries need to be installed. They can all be installed using the Library Manager.
+
+### JBWoprDevice
+
+ - [JBLogger](https://github.com/jonnybergdahl/Arduino_JBLogger_Library)
+ - [Adafruit_GFX>](https://github.com/adafruit/Adafruit-GFX-Library)
+ - [Adafruit_LEDBackpack](https://github.com/adafruit/Adafruit_LED_Backpack)
+ - [Adafruit_NeoPixel](https://github.com/adafruit/Adafruit_NeoPixel)
+ - [OneButton](https://github.com/mathertel/OneButton)
+ - [ArduinoJson](https://github.com/bblanchon/ArduinoJson)
+
+### JBWoprWifiDevice
+
+The above, plus: 
+
+ - [WiFiManager](https://github.com/tzapu/WiFiManager)
+
+### JBWoprMqttDevice
+
+The above, plus: 
+
+ - [WiFiManager](https://github.com/tzapu/WiFiManager)
+
 ### Compiling the examples
 
 Due to the size of the library, you may need to change the partition size in the Arduino IDE.
@@ -57,20 +84,20 @@ JBWoprDevice wopr;
 void setup() {
 	// Configure the JBWoprDevice class
 	JBWoprConfiguration* config = wopr.getConfiguration();
-    	config->timeFormat = "%H %M %s";
+    config->timeFormat = "%H %M %s";
 	config->dateFormat = "%Y-%m-%d";
-    	config->displayBrightness = 50;
-    	config->defconLedsBrightness = 50;
+    config->displayBrightness = 50;
+    config->defconLedsBrightness = 50;
 	
-    	// Initialize the JBWoprDevice class, passing in the board version 
-    	// JBWoprBoardVariant::HAXORZ or JBWoprBoardVariant::ORIGINAL
-	wopr.begin(JBWoprBoardVariant::HAXORZ);
+    // Initialize the JBWoprDevice class, passing in the board version 
+    // JBWoprBoardVariant::HAXORZ or JBWoprBoardVariant::ORIGINAL
+    wopr.begin(JBWoprBoardVariant::HAXORZ);
 }
 
 void loop() {
-    	wopr.loop();
+    wopr.loop();
 
-    	// Add your code here
+    // Add your code here
 }
 ```
 
@@ -104,11 +131,11 @@ but you can also create your own effects by inheriting from the `JBWoprEffectBas
 #include <jbwopr.h>
 #include <effects/jbwopreffets.h>
 begin() {
-    	...
-    	wopr.effectsRegisterEffect(new JBWoprMissileCodeSolveEffect(&wopr,
-                  	           CodeSolveVariant::MOVIE,
-                   	           1000,
-                   	           "Movie solve"));
+    ...
+    wopr.effectsRegisterEffect(new JBWoprMissileCodeSolveEffect(&wopr,
+                               CodeSolveVariant::MOVIE,
+                               1000,
+                               "Movie solve"));
 }
 
 loop() {
diff --git a/library.properties b/library.properties
index b39ae3c..3a9bf0d 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=JBWopr
-version=1.0.3
+version=1.0.4
 author=Jonny Bergdahl
 maintainer=Jonny Bergdahl <github@bergdahl.org>
 sentence=Support library for the Unexpected Maker W.O.P.R. boards
diff --git a/src/jbwopr.cpp b/src/jbwopr.cpp
index 9c71579..3dc7821 100644
--- a/src/jbwopr.cpp
+++ b/src/jbwopr.cpp
@@ -66,6 +66,8 @@ bool JBWoprDevice::begin(JBWoprBoardVariant variant, JBWoprBoardPins pins) {
 	_woprVariant = variant;
 	_log->info("JBWoprDevice begin, variant: %i", variant);
 
+	_pins = pins;
+
 	// Buttons
 	_log->trace("Button pins: %i, %i, %i, %i", pins.buttonFrontLeftPin, pins.buttonFrontRightPin, pins.buttonBackTopPin, pins.buttonBackBottomPin);
 	_buttonFrontLeft = new OneButton(pins.buttonFrontLeftPin, false);
@@ -100,12 +102,15 @@ bool JBWoprDevice::begin(JBWoprBoardVariant variant, JBWoprBoardPins pins) {
 
 	// Audio
 	pinMode(pins.dacPin, OUTPUT);
+#if ESP_ARDUINO_VERSION_MAJOR < 3
 	if (ledcSetup(_audioChannel, _audioFreq, _audioResolution) == 0) {
 		_log->error("Audio setup failed");
 		return false;
 	};
 	ledcAttachPin(pins.dacPin, _audioChannel);
-
+#else
+	ledcAttachChannel(pins.dacPin, _audioFreq, _audioResolution, _audioChannel);
+#endif
 	// Buttons
 	_buttonFrontLeft->attachClick(&JBWoprDevice::_staticButtonFrontLeftClickCallback, this);
 	_buttonFrontLeft->attachDoubleClick(&JBWoprDevice::_staticButtonFrontLeftDoubleClickCallback, this);
@@ -498,17 +503,29 @@ void JBWoprDevice::defconLedSetDefconStateColor(JBDefconLevel level, uint32_t co
 
 void JBWoprDevice::audioPlayTone(uint16_t freq)
 {
+#if ESP_ARDUINO_VERSION_MAJOR < 3	
 	ledcWriteTone(_audioChannel, freq);
+#else
+	ledcWriteTone(_pins.dacPin, freq);
+#endif	
 }
 
 void JBWoprDevice::audioPlayNote(note_t note, uint8_t octave)
 {
+#if ESP_ARDUINO_VERSION_MAJOR < 3	
 	ledcWriteNote(_audioChannel, note, octave);
+#else
+	ledcWriteNote(_pins.dacPin, note, octave);
+#endif	
 }
 
 void JBWoprDevice::audioClear()
 {
+#if ESP_ARDUINO_VERSION_MAJOR < 3
 	ledcWrite(_audioChannel, 0);
+#else
+	ledcWrite(_pins.dacPin, 0);
+#endif	
 }
 
 // ------------------------------------------------------------------
diff --git a/src/jbwopr.h b/src/jbwopr.h
index d6b91d0..16c4de5 100644
--- a/src/jbwopr.h
+++ b/src/jbwopr.h
@@ -12,7 +12,7 @@
 #include <Arduino.h>
 #include <map>
 #include <list>
-#include <driver/i2s.h>
+//#include <driver/i2s.h>
 #include <jblogger.h>
 #include <Adafruit_GFX.h>                  	// https://github.com/adafruit/Adafruit-GFX-Library
 #include <Adafruit_LEDBackpack.h>          	// https://github.com/adafruit/Adafruit_LED_Backpack
@@ -451,6 +451,7 @@ class JBWoprDevice {
 	//
 	JBWoprBoardVariant _woprVariant;				///< W.O.P.R. board version
 	JBWoprConfiguration _config;					///< JBWoprDevice configuration
+	JBWoprBoardPins _pins;							///< W.O.P.R. board pin assignements
 
 	// ====================================================================
 	// Effects