diff --git a/.github/workflows/build-clang-doxy.yml b/.github/workflows/build-clang-doxy.yml
index 79fd6afad..a9ee7beda 100644
--- a/.github/workflows/build-clang-doxy.yml
+++ b/.github/workflows/build-clang-doxy.yml
@@ -370,7 +370,8 @@ jobs:
             "dfrobot_beetle_esp32c3",
             "wippersnapper_qtpy_esp32c3",
             "espressif_esp32c5_devkitc_1_n8r4",
-            "wippersnapper_feather_esp32c6"
+            "wippersnapper_feather_esp32c6",
+            "arduino_nesso_n1"
           ]
         include:
           - offset: "0x1000"
@@ -382,6 +383,8 @@ jobs:
             arduino-platform: "espressif_esp32c5_devkitc_1_n8r4"
           - offset: "0x0"
             arduino-platform: "wippersnapper_feather_esp32c6"
+          - offset: "0x0"
+            arduino-platform: "arduino_nesso_n1"
     steps:
       - name: "skip if unwanted"
         continue-on-error: true
@@ -418,6 +421,7 @@ jobs:
         with:
           repository: adafruit/Wippersnapper_Boards
           path: ws-boards
+          ref: arduino-nesso-n1
       - name: Install CI-Arduino
         run: bash ci/actions_install.sh
       - name: Install extra Arduino libraries
diff --git a/examples/Wippersnapper_demo/.arduino_nesso_n1.generate b/examples/Wippersnapper_demo/.arduino_nesso_n1.generate
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/examples/Wippersnapper_demo/.arduino_nesso_n1.generate
@@ -0,0 +1 @@
+
diff --git a/examples/wippersnapper_debug/.arduino_nesso_n1.test.skip b/examples/wippersnapper_debug/.arduino_nesso_n1.test.skip
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/examples/wippersnapper_debug/.arduino_nesso_n1.test.skip
@@ -0,0 +1 @@
+
diff --git a/platformio.ini b/platformio.ini
index 7d651d14f..c2143dd82 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -101,7 +101,7 @@ lib_deps =
 
 ; Common build environment for ESP32 platform
 [common:esp32]
-platform = https://github.com/pioarduino/platform-espressif32/releases/download/55.03.33/platform-espressif32.zip
+platform = https://github.com/tyeth/platform-espressif32/releases/download/55.03.33-nesso.1/platform-espressif32-55.03.33-nesso.1.zip
 ; This is needed for occasional new features and bug fixes
 ; platform = https://github.com/pioarduino/platform-espressif32#develop
 lib_ignore = WiFiNINA, WiFiNINA_-_Adafruit_Fork, WiFi101, OneWire
@@ -201,6 +201,26 @@ build_flags =
 board_build.filesystem = littlefs
 board_build.partitions = min_spiffs.csv
 
+; Arduino Nesso-N1 (Espressif ESP32-C5 16MB FLASH)
+[env:arduino_nesso_n1]
+extends = common:esp32
+board = arduino_nesso_n1
+build_type = debug
+; debug_tool = esp-builtin
+; upload_protocol = esp-builtin
+; debug_init_break = tbreak setup
+build_flags =
+    -DARDUINO_ARDUINO_NESSO_N1
+    ; -DDEBUG=1
+    ; -DARDUINO_USB_MODE=1
+    ; -DARDUINO_USB_CDC_ON_BOOT=1
+    ; -DESP_LOG_LEVEL=5
+    ; -DARDUINO_LOG_LEVEL=5
+    ; -DCORE_DEBUG_LEVEL=5
+    ; -DMQTT_DEBUG=1
+board_build.filesystem = littlefs
+board_build.partitions = huge_app.csv
+
 ; Espressif ESP32-C6 4MB NO PSRAM esp32-c6-devkitm-1
 [env:espressif_esp32-c6-devkitm-1]
 extends = common:esp32
diff --git a/src/Wippersnapper_Boards.h b/src/Wippersnapper_Boards.h
index a456c2fc0..b63051cfe 100644
--- a/src/Wippersnapper_Boards.h
+++ b/src/Wippersnapper_Boards.h
@@ -153,6 +153,7 @@
 #define USE_LITTLEFS
 #define USE_STATUS_LED
 #define STATUS_LED_PIN 0
+#define STATUS_LED_INVERTED
 #elif defined(ARDUINO_ADAFRUIT_ITSYBITSY_ESP32)
 #define BOARD_ID "itsybitsy-esp32"
 #define USE_LITTLEFS
@@ -165,6 +166,12 @@
 #define USE_LITTLEFS
 #define USE_STATUS_LED
 #define STATUS_LED_PIN 13
+#elif defined(ARDUINO_ARDUINO_NESSO_N1)
+#define BOARD_ID "arduino-nesso-n1"
+#define USE_LITTLEFS
+#define USE_STATUS_LED
+#define STATUS_LED_PIN LED_BUILTIN
+#define STATUS_LED_INVERTED
 #elif defined(ARDUINO_ADAFRUIT_FEATHER_ESP32C6)
 #define BOARD_ID "feather-esp32c6"
 #define USE_LITTLEFS
diff --git a/src/components/digitalIO/Wippersnapper_DigitalGPIO.cpp b/src/components/digitalIO/Wippersnapper_DigitalGPIO.cpp
index 577c9780d..029548125 100644
--- a/src/components/digitalIO/Wippersnapper_DigitalGPIO.cpp
+++ b/src/components/digitalIO/Wippersnapper_DigitalGPIO.cpp
@@ -66,9 +66,13 @@ void Wippersnapper_DigitalGPIO::initDigitalPin(
       wippersnapper_pin_v1_ConfigurePinRequest_Direction_DIRECTION_OUTPUT) {
 
 #ifdef STATUS_LED_PIN
+#if !defined(ARDUINO_ARDUINO_NESSO_N1)
+//     if (String("D") + pinName == STATUS_LED_PIN.pin)
+// #else
     // deinit status led, use it as a dio component instead
     if (pinName == STATUS_LED_PIN)
       releaseStatusLED();
+#endif
 #endif
     pinMode(pinName, OUTPUT);
 
@@ -76,10 +80,14 @@ void Wippersnapper_DigitalGPIO::initDigitalPin(
     WS_DEBUG_PRINTLN(pinName);
 
 // Initialize LOW
-#if defined(ARDUINO_ESP8266_ADAFRUIT_HUZZAH)
-    // The Adafruit Feather ESP8266's built-in LED is reverse wired so setting
-    // the pin LOW will turn the LED on.
-    digitalWrite(STATUS_LED_PIN, !0);
+#if defined(ARDUINO_ESP8266_ADAFRUIT_HUZZAH) // not until we support ExpanderPins || defined(STATUS_LED_INVERTED)
+    if (pinName == STATUS_LED_PIN) {
+      // The Adafruit Feather ESP8266's built-in LED is reverse wired so setting
+      // the pin LOW will turn the LED on.
+      digitalWrite(STATUS_LED_PIN, !0);
+    } else {
+      digitalWrite(pinName, LOW);
+    }
 #else
     pinMode(pinName, OUTPUT);
     digitalWrite(pinName, LOW); // initialize LOW
@@ -155,9 +163,11 @@ void Wippersnapper_DigitalGPIO::deinitDigitalPin(
 
 // if prv. in-use by DIO, release pin back to application
 #ifdef STATUS_LED_PIN
+#if !defined(ARDUINO_ARDUINO_NESSO_N1) // not until we support ExpanderPins
   if (pinName == STATUS_LED_PIN)
     initStatusLED();
 #endif
+#endif
 }
 
 /********************************************************************/
@@ -175,6 +185,40 @@ int Wippersnapper_DigitalGPIO::digitalReadSvc(int pinName) {
   return pinVal;
 }
 
+#if defined(ARDUINO_ARDUINO_NESSO_N1)
+/********************************************************************/
+/*!
+    @brief    High-level digitalRead service impl. which performs a
+                digitalRead.
+    @param    pin
+                The ExpanderPin instance
+    @returns  The pin's value.
+*/
+/********************************************************************/
+int Wippersnapper_DigitalGPIO::digitalReadSvc(ExpanderPin pin) {
+  // Service using arduino `digitalRead`
+  int pinVal = digitalRead(pin);
+  return pinVal;
+}
+
+/*******************************************************************************/
+/*!
+    @brief  Writes a value to a pin.
+    @param  pinName
+                The pin's name.
+    @param  pinValue
+                The pin's value.
+*/
+/*******************************************************************************/
+void Wippersnapper_DigitalGPIO::digitalWriteSvc(ExpanderPin pin, int pinValue) {
+  WS_DEBUG_PRINT("Digital Pin Event: Set ");
+  WS_DEBUG_PRINT(pin.pin);
+  WS_DEBUG_PRINT(" to ");
+  WS_DEBUG_PRINTLN(pinValue);
+  digitalWrite(pin, pinValue);
+}
+#endif
+
 /*******************************************************************************/
 /*!
     @brief  Writes a value to a pin.
diff --git a/src/components/digitalIO/Wippersnapper_DigitalGPIO.h b/src/components/digitalIO/Wippersnapper_DigitalGPIO.h
index 960687ee5..37863e606 100644
--- a/src/components/digitalIO/Wippersnapper_DigitalGPIO.h
+++ b/src/components/digitalIO/Wippersnapper_DigitalGPIO.h
@@ -50,6 +50,18 @@ class Wippersnapper_DigitalGPIO {
 
   int digitalReadSvc(int pinName);
   void digitalWriteSvc(uint8_t pinName, int pinValue);
+#if defined(ARDUINO_ARDUINO_NESSO_N1)
+  // void
+  // initDigitalPin(wippersnapper_pin_v1_ConfigurePinRequest_Direction direction,
+  //                ExpanderPin pinName, float period,
+  //                wippersnapper_pin_v1_ConfigurePinRequest_Pull pull);
+  // void
+  // deinitDigitalPin(wippersnapper_pin_v1_ConfigurePinRequest_Direction direction,
+  //                  ExpanderPin pinName);
+
+  int digitalReadSvc(ExpanderPin pinName);
+  void digitalWriteSvc(ExpanderPin pinName, int pinValue);
+#endif
   void processDigitalInputs();
 
   digitalInputPin *_digital_input_pins; /*!< Array of gpio pin objects */
diff --git a/src/components/pwm/ws_pwm.cpp b/src/components/pwm/ws_pwm.cpp
index 2e3ba0dc2..ee8c19570 100644
--- a/src/components/pwm/ws_pwm.cpp
+++ b/src/components/pwm/ws_pwm.cpp
@@ -88,7 +88,7 @@ void ws_pwm::detach(uint8_t pin) {
 void ws_pwm::writeDutyCycle(uint8_t pin, int dutyCycle) {
 #if defined(ARDUINO_ARCH_ESP32)
   _ledcMgr->analogWrite(pin, dutyCycle);
-#elif defined(ARDUINO_ESP8266_ADAFRUIT_HUZZAH) && defined(STATUS_LED_PIN)
+#elif (defined(ARDUINO_ESP8266_ADAFRUIT_HUZZAH) || defined(STATUS_LED_INVERTED)) && defined(STATUS_LED_PIN)
   // Adafruit Feather ESP8266's analogWrite() is inverted because its LED pin is
   // reverse-wired
   analogWrite(pin, 255 - dutyCycle);
diff --git a/src/components/statusLED/Wippersnapper_StatusLED.cpp b/src/components/statusLED/Wippersnapper_StatusLED.cpp
index 4cbdd4c85..6b7e9e8b2 100644
--- a/src/components/statusLED/Wippersnapper_StatusLED.cpp
+++ b/src/components/statusLED/Wippersnapper_StatusLED.cpp
@@ -82,13 +82,33 @@ void initStatusLED() {
 // Turn off LED initially
 #if defined(ARDUINO_ESP8266_ADAFRUIT_HUZZAH)
   analogWrite(STATUS_LED_PIN, 255);
+#elif defined(ARDUINO_ARDUINO_NESSO_N1) || defined(STATUS_LED_INVERTED)
+  digitalWrite(STATUS_LED_PIN, HIGH);
 #elif defined(ARDUINO_ARCH_ESP32)
   WS._pwmComponent->attach(STATUS_LED_PIN, LEDC_BASE_FREQ, LEDC_TIMER_12_BIT);
-  WS._pwmComponent->writeDutyCycle(STATUS_LED_PIN, 0); // turn OFF
+  WS._pwmComponent->writeDutyCycle(STATUS_LED_PIN, 
+#if defined(STATUS_LED_INVERTED)
+255
+#else
+0
+#endif
+  ); // turn OFF
 #elif defined(ARDUINO_ARCH_RP2040)
-  digitalWrite(STATUS_LED_PIN, 0);
+  digitalWrite(STATUS_LED_PIN, 
+#if defined(STATUS_LED_INVERTED)
+255
+#else
+0
+#endif
+  ); // turn OFF
+#else
+  analogWrite(STATUS_LED_PIN, 
+#if defined(STATUS_LED_INVERTED)
+255
 #else
-  analogWrite(STATUS_LED_PIN, 0);
+0
+#endif
+  ); // turn OFF
 #endif
 
   WS.lockStatusLED = true; // set global pin "lock" flag
@@ -116,7 +136,13 @@ void releaseStatusLED() {
 #endif
 
 #ifdef USE_STATUS_LED
-  digitalWrite(STATUS_LED_PIN, 0); // turn off
+  digitalWrite(STATUS_LED_PIN, 
+#if defined(STATUS_LED_INVERTED)
+255
+#else
+0
+#endif
+  ); // turn OFF
   pinMode(STATUS_LED_PIN,
           INPUT);           // "release" for use by setting to input (hi-z)
   WS.lockStatusLED = false; // un-set global pin "lock" flag
@@ -181,14 +207,32 @@ void setStatusLEDColor(uint32_t color) {
 #ifdef USE_STATUS_LED
   if (!WS.lockStatusLED)
     return; // status pixel is in-use elsewhere
-#ifdef ARDUINO_ARCH_RP2040
-  digitalWrite(STATUS_LED_PIN, color > 0);
+#if defined(ARDUINO_ARCH_RP2040) || defined(ARDUINO_ARDUINO_NESSO_N1) || defined(STATUS_LED_INVERTED)
+  digitalWrite(STATUS_LED_PIN, 
+#if defined(STATUS_LED_INVERTED)
+    !(color > 0)
+#else
+    color > 0
+#endif
+  );
 #else
   if (color != BLACK)
     WS._pwmComponent->writeDutyCycle(
-        STATUS_LED_PIN, map(WS.status_pixel_brightness, 0.0, 1.0, 0, 1023));
+        STATUS_LED_PIN, map(WS.status_pixel_brightness, 0.0, 1.0,
+#if defined(STATUS_LED_INVERTED)
+1023, 0
+#else
+0, 1023
+#endif
+        ));
   else
-    WS._pwmComponent->writeDutyCycle(STATUS_LED_PIN, 0);
+    WS._pwmComponent->writeDutyCycle(STATUS_LED_PIN, 
+#if defined(STATUS_LED_INVERTED)
+      1023
+#else
+      0
+#endif
+    );
 #endif
 #endif
 }
@@ -240,15 +284,33 @@ void setStatusLEDColor(uint32_t color, int brightness) {
   if (!WS.lockStatusLED)
     return;
 
-#ifdef ARDUINO_ARCH_RP2040
-  digitalWrite(STATUS_LED_PIN, color > 0);
+#if defined(ARDUINO_ARCH_RP2040) || defined(ARDUINO_ARDUINO_NESSO_N1)
+  digitalWrite(STATUS_LED_PIN,
+#if defined(STATUS_LED_INVERTED)
+    !(color > 0)
+#else
+    color > 0
+#endif
+  );
 #else
   if (color != BLACK) {
     // re-map for pixel as a LED
-    int pulseWidth = map(brightness, 0, 255, 0, 1023);
+    int pulseWidth = map(brightness, 0, 255, 
+#if defined(STATUS_LED_INVERTED)
+      1023, 0
+#else
+      0, 1023
+#endif
+    );
     WS._pwmComponent->writeDutyCycle(STATUS_LED_PIN, pulseWidth);
   } else {
-    WS._pwmComponent->writeDutyCycle(STATUS_LED_PIN, 0);
+    WS._pwmComponent->writeDutyCycle(STATUS_LED_PIN,
+#if defined(STATUS_LED_INVERTED)
+      1023
+#else
+      0
+#endif
+    );
   }
 #endif
 #endif
diff --git a/src/provisioning/littlefs/WipperSnapper_LittleFS.cpp b/src/provisioning/littlefs/WipperSnapper_LittleFS.cpp
index 5c58b8b22..5cca6b684 100644
--- a/src/provisioning/littlefs/WipperSnapper_LittleFS.cpp
+++ b/src/provisioning/littlefs/WipperSnapper_LittleFS.cpp
@@ -12,7 +12,7 @@
  * BSD license, all text here must be included in any redistribution.
  *
  */
-#if defined(ARDUINO_FEATHER_ESP32) ||                                          \
+#if defined(ARDUINO_FEATHER_ESP32) || defined(ARDUINO_ARDUINO_NESSO_N1) ||     \
     defined(ARDUINO_ESP8266_ADAFRUIT_HUZZAH) ||                                \
     defined(ARDUINO_ADAFRUIT_ITSYBITSY_ESP32) ||                               \
     defined(ARDUINO_ADAFRUIT_FEATHER_ESP32_V2) ||                              \
diff --git a/src/provisioning/tinyusb/Wippersnapper_FS.cpp b/src/provisioning/tinyusb/Wippersnapper_FS.cpp
index 2db5d1bde..243195539 100644
--- a/src/provisioning/tinyusb/Wippersnapper_FS.cpp
+++ b/src/provisioning/tinyusb/Wippersnapper_FS.cpp
@@ -28,7 +28,7 @@
     defined(ARDUINO_ADAFRUIT_FEATHER_ESP32S3_REVTFT) ||                        \
     defined(ARDUINO_ADAFRUIT_FEATHER_ESP32S2_REVTFT) ||                        \
     defined(ARDUINO_ADAFRUIT_QTPY_ESP32S3_N4R2) ||                             \
-    defined(ARDUINO_XIAO_ESP32S3) || \
+    defined(ARDUINO_XIAO_ESP32S3) ||                                           \
     defined(ARDUINO_ADAFRUIT_FRUITJAM_RP2350)
 
 #include "Wippersnapper_FS.h"