diff --git a/.github/workflows/compile-examples.yml b/.github/workflows/compile-examples.yml
index 4e286b9f..0965db83 100644
--- a/.github/workflows/compile-examples.yml
+++ b/.github/workflows/compile-examples.yml
@@ -91,6 +91,9 @@ jobs:
           - fqbn: arduino:mbed_edge:edge_control
             type: mbed_edge
             artifact-name-suffix: arduino-mbed_edge-edge_control
+          - fqbn: "rp2040:rp2040:rpipicow"
+            type: rp2040
+            artifact-name-suffix: rp2040-rp2040-rpipicow
 
 
         # make board type-specific customizations to the matrix jobs
@@ -256,6 +259,13 @@ jobs:
                 source-url: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
             sketch-paths: |
               - examples/ArduinoIoTCloud-DeferredOTA
+          # PicoW
+          - board:
+              type: rp2040
+            platforms: |
+              # Install rp2040 platform via Boards Manager
+              - name: rp2040:rp2040
+                source-url: https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json
 
     steps:
       - name: Checkout
diff --git a/src/AIoTC_Config.h b/src/AIoTC_Config.h
index 2efb7021..6276f57c 100644
--- a/src/AIoTC_Config.h
+++ b/src/AIoTC_Config.h
@@ -134,6 +134,11 @@
   #define HAS_TCP
 #endif
 
+#if defined(ARDUINO_RASPBERRY_PI_PICO_W)
+  #define BOARD_HAS_SECRET_KEY
+  #define HAS_TCP
+#endif
+
 #if defined(BOARD_HAS_SOFTSE) || defined(BOARD_HAS_OFFLOADED_ECCX08) || defined(BOARD_HAS_ECCX08) || defined(BOARD_HAS_SE050)
   #define BOARD_HAS_SECURE_ELEMENT
 #endif
diff --git a/src/tls/AIoTCUPCert.h b/src/tls/AIoTCUPCert.h
index 5c933da0..40fe3c00 100644
--- a/src/tls/AIoTCUPCert.h
+++ b/src/tls/AIoTCUPCert.h
@@ -240,7 +240,7 @@ static const unsigned char x509_crt_bundle[] = {
   0x00, 0x01
 };
 
-#elif defined (ARDUINO_EDGE_CONTROL)
+#elif defined (ARDUINO_EDGE_CONTROL) || defined (ARDUINO_RASPBERRY_PI_PICO_W)
   /*
    * https://www.amazontrust.com/repository/AmazonRootCA1.pem
    * https://www.amazontrust.com/repository/AmazonRootCA2.pem
diff --git a/src/tls/utility/TLSClientMqtt.cpp b/src/tls/utility/TLSClientMqtt.cpp
index 831f31cf..449e780f 100644
--- a/src/tls/utility/TLSClientMqtt.cpp
+++ b/src/tls/utility/TLSClientMqtt.cpp
@@ -59,6 +59,8 @@ void TLSClientMqtt::begin(ConnectionHandler & connection) {
    * https://github.com/arduino/uno-r4-wifi-usb-bridge/blob/f09ca94fdcab845b8368d4435fdac9f6999d21d2/certificates/certificates.pem#L852
    */
   (void)connection;
+#elif defined(ARDUINO_RASPBERRY_PI_PICO_W)
+    setCACert(AIoTUPCert);
 #elif defined(ARDUINO_ARCH_ESP32)
   #if (ESP_ARDUINO_VERSION < ESP_ARDUINO_VERSION_VAL(3, 0, 4))
     setCACertBundle(x509_crt_bundle);
diff --git a/src/tls/utility/TLSClientMqtt.h b/src/tls/utility/TLSClientMqtt.h
index 837e76de..11acfb30 100644
--- a/src/tls/utility/TLSClientMqtt.h
+++ b/src/tls/utility/TLSClientMqtt.h
@@ -54,10 +54,11 @@
    */
   #include <WiFiSSLClient.h>
   class TLSClientMqtt : public WiFiSSLClient {
-#elif defined(BOARD_ESP)
+#elif defined(BOARD_ESP) || defined(ARDUINO_RASPBERRY_PI_PICO_W)
   /*
    * ESP32*
    * ESP82*
+   * PICOW
    */
   #include <WiFiClientSecure.h>
   class TLSClientMqtt : public WiFiClientSecure {
diff --git a/src/tls/utility/TLSClientOta.cpp b/src/tls/utility/TLSClientOta.cpp
index f03af769..2d86c54b 100644
--- a/src/tls/utility/TLSClientOta.cpp
+++ b/src/tls/utility/TLSClientOta.cpp
@@ -55,6 +55,8 @@ void TLSClientOta::begin(ConnectionHandler &connection) {
    * https://github.com/arduino-libraries/Arduino_ESP32_OTA/blob/fc755e7d1d3946232107e2590662ee08d6ccdec4/src/tls/amazon_root_ca.h
    */
   (void)connection;
+#elif defined(ARDUINO_RASPBERRY_PI_PICO_W)
+    setCACert(AIoTUPCert);
 #elif defined(ARDUINO_ARCH_ESP32)
   #if (ESP_ARDUINO_VERSION < ESP_ARDUINO_VERSION_VAL(3, 0, 4))
     setCACertBundle(x509_crt_bundle);
diff --git a/src/tls/utility/TLSClientOta.h b/src/tls/utility/TLSClientOta.h
index 3e76433a..4ce90ae9 100644
--- a/src/tls/utility/TLSClientOta.h
+++ b/src/tls/utility/TLSClientOta.h
@@ -54,10 +54,11 @@
    */
   #include <WiFiSSLClient.h>
   class TLSClientOta : public WiFiSSLClient {
-#elif defined(BOARD_ESP)
+#elif defined(BOARD_ESP) || defined(ARDUINO_RASPBERRY_PI_PICO_W)
   /*
    * ESP32*
    * ESP82*
+   * PICOW
    */
   #include <WiFiClientSecure.h>
   class TLSClientOta : public WiFiClientSecure {
diff --git a/src/utility/time/RTCMillis.cpp b/src/utility/time/RTCMillis.cpp
index 419236d1..91741678 100644
--- a/src/utility/time/RTCMillis.cpp
+++ b/src/utility/time/RTCMillis.cpp
@@ -15,7 +15,7 @@
    a commercial license, send an email to license@arduino.cc.
 */
 
-#ifdef ARDUINO_ARCH_ESP8266
+#if defined (ARDUINO_ARCH_ESP8266) || defined (ARDUINO_RASPBERRY_PI_PICO_W)
 
 /**************************************************************************************
  * INCLUDE
@@ -59,4 +59,4 @@ unsigned long RTCMillis::get()
   return _last_rtc_update_value;
 }
 
-#endif /* ARDUINO_ARCH_ESP8266 */
+#endif /* ARDUINO_ARCH_ESP8266 || ARDUINO_RASPBERRY_PI_PICO_W */
diff --git a/src/utility/time/RTCMillis.h b/src/utility/time/RTCMillis.h
index 1fa7e0f4..fce881fd 100644
--- a/src/utility/time/RTCMillis.h
+++ b/src/utility/time/RTCMillis.h
@@ -18,7 +18,7 @@
 #ifndef ARDUINO_IOT_CLOUD_RTC_MILLIS_H_
 #define ARDUINO_IOT_CLOUD_RTC_MILLIS_H_
 
-#ifdef ARDUINO_ARCH_ESP8266
+#if defined (ARDUINO_ARCH_ESP8266) || defined (ARDUINO_RASPBERRY_PI_PICO_W)
 
 /**************************************************************************************
  * INCLUDE
@@ -45,6 +45,6 @@ class RTCMillis
 
 };
 
-#endif /* ARDUINO_ARCH_ESP8266 */
+#endif /* ARDUINO_ARCH_ESP8266 || ARDUINO_RASPBERRY_PI_PICO_W */
 
 #endif /* ARDUINO_IOT_CLOUD_RTC_MILLIS_H_ */
diff --git a/src/utility/time/TimeService.cpp b/src/utility/time/TimeService.cpp
index 5bf081de..82f3a693 100644
--- a/src/utility/time/TimeService.cpp
+++ b/src/utility/time/TimeService.cpp
@@ -34,7 +34,7 @@
   #include <mbed_rtc_time.h>
 #endif
 
-#ifdef ARDUINO_ARCH_ESP8266
+#if defined (ARDUINO_ARCH_ESP8266) || defined (ARDUINO_RASPBERRY_PI_PICO_W)
   #include "RTCMillis.h"
 #endif
 
@@ -50,7 +50,7 @@
 RTCZero rtc;
 #endif
 
-#ifdef ARDUINO_ARCH_ESP8266
+#if defined (ARDUINO_ARCH_ESP8266) || defined (ARDUINO_RASPBERRY_PI_PICO_W)
 RTCMillis rtc;
 #endif
 
@@ -90,6 +90,12 @@ void renesas_setRTC(unsigned long time);
 unsigned long renesas_getRTC();
 #endif
 
+#ifdef ARDUINO_RASPBERRY_PI_PICO_W
+void pico_w_initRTC();
+void pico_w_setRTC(unsigned long time);
+unsigned long pico_w_getRTC();
+#endif
+
 /**************************************************************************************
  * DEFINES
  **************************************************************************************/
@@ -341,6 +347,8 @@ void TimeServiceClass::initRTC()
   esp8266_initRTC();
 #elif defined (ARDUINO_ARCH_RENESAS)
   renesas_initRTC();
+#elif defined (ARDUINO_RASPBERRY_PI_PICO_W)
+  pico_w_initRTC();
 #else
   #error "RTC not available for this architecture"
 #endif
@@ -358,6 +366,8 @@ void TimeServiceClass::setRTC(unsigned long time)
   esp8266_setRTC(time);
 #elif defined (ARDUINO_ARCH_RENESAS)
   renesas_setRTC(time);
+#elif defined (ARDUINO_RASPBERRY_PI_PICO_W)
+  pico_w_setRTC(time);
 #else
   #error "RTC not available for this architecture"
 #endif
@@ -375,6 +385,8 @@ unsigned long TimeServiceClass::getRTC()
   return esp8266_getRTC();
 #elif defined (ARDUINO_ARCH_RENESAS)
   return renesas_getRTC();
+#elif defined (ARDUINO_RASPBERRY_PI_PICO_W)
+  return pico_w_getRTC();
 #else
   #error "RTC not available for this architecture"
 #endif
@@ -509,6 +521,23 @@ unsigned long renesas_getRTC()
 }
 #endif
 
+#ifdef ARDUINO_RASPBERRY_PI_PICO_W
+void pico_w_initRTC()
+{
+  rtc.begin();
+}
+
+void pico_w_setRTC(unsigned long time)
+{
+  rtc.set(time);
+}
+
+unsigned long pico_w_getRTC()
+{
+  return rtc.get();
+}
+#endif
+
 /******************************************************************************
  * EXTERN DEFINITION
  ******************************************************************************/