diff --git a/.github/workflows/micropython.yml b/.github/workflows/micropython.yml
index 894a4a3..2f0f43b 100644
--- a/.github/workflows/micropython.yml
+++ b/.github/workflows/micropython.yml
@@ -20,6 +20,7 @@ jobs:
         - name: pimoroni_plasma2350
         - name: pimoroni_tiny2350
         - name: pimoroni_pico_plus2
+        - name: pimoroni_interstate75_duo
 
     env:
       # MicroPython version will be contained in github.event.release.tag_name for releases
diff --git a/boards/pimoroni_interstate75_duo/board.json b/boards/pimoroni_interstate75_duo/board.json
new file mode 100644
index 0000000..542163a
--- /dev/null
+++ b/boards/pimoroni_interstate75_duo/board.json
@@ -0,0 +1,19 @@
+{
+    "deploy": [
+        "../deploy.md"
+    ],
+    "docs": "",
+    "features": [
+        "Dual-core",
+        "External Flash",
+        "USB"
+    ],
+    "images": [
+        "rp2-picos.jpg"
+    ],
+    "mcu": "rp2350",
+    "product": "Pico2",
+    "thumbnail": "",
+    "url": "https://www.raspberrypi.com/products/raspberry-pi-pico2/",
+    "vendor": "Raspberry Pi"
+}
diff --git a/boards/pimoroni_interstate75_duo/manifest.py b/boards/pimoroni_interstate75_duo/manifest.py
new file mode 100644
index 0000000..776a9c1
--- /dev/null
+++ b/boards/pimoroni_interstate75_duo/manifest.py
@@ -0,0 +1,8 @@
+require("bundle-networking")
+
+# Bluetooth
+require("aioble")
+
+include("$(PORT_DIR)/boards/manifest.py")
+
+include("../manifest_pico2.py")
\ No newline at end of file
diff --git a/boards/pimoroni_interstate75_duo/mpconfigboard.cmake b/boards/pimoroni_interstate75_duo/mpconfigboard.cmake
new file mode 100644
index 0000000..66ff0f3
--- /dev/null
+++ b/boards/pimoroni_interstate75_duo/mpconfigboard.cmake
@@ -0,0 +1,39 @@
+# cmake file for Raspberry Pi Pico
+set(PICO_BOARD "pimoroni_interstate75_duo")
+set(PICO_BOARD_HEADER_DIRS ${CMAKE_CURRENT_LIST_DIR})
+set(PICO_PLATFORM "rp2350")
+set(PICO_NUM_GPIOS 48)
+
+# Board specific version of the frozen manifest
+set(MICROPY_FROZEN_MANIFEST ${MICROPY_BOARD_DIR}/manifest.py)
+
+set(MICROPY_C_HEAP_SIZE 4096)
+
+# Links micropy_lib_lwip and sets MICROPY_PY_LWIP = 1
+# Picked up and expanded upon in mpconfigboard.h
+set(MICROPY_PY_LWIP ON)
+
+# Links cyw43-driver and sets:
+# MICROPY_PY_NETWORK_CYW43 = 1,
+# MICROPY_PY_SOCKET_DEFAULT_TIMEOUT_MS = 30000
+set(MICROPY_PY_NETWORK_CYW43 ON)
+
+# Adds mpbthciport.c
+# And sets:
+# MICROPY_PY_BLUETOOTH = 1,
+# MICROPY_PY_BLUETOOTH_USE_SYNC_EVENTS = 1,
+# MICROPY_PY_BLUETOOTH_ENABLE_CENTRAL_MODE = 1
+set(MICROPY_PY_BLUETOOTH ON)
+
+# Links pico_btstack_hci_transport_cyw43
+# And sets:
+# MICROPY_BLUETOOTH_BTSTACK = 1,
+# MICROPY_BLUETOOTH_BTSTACK_CONFIG_FILE =
+set(MICROPY_BLUETOOTH_BTSTACK ON)
+
+# Sets:
+# CYW43_ENABLE_BLUETOOTH = 1,
+# MICROPY_PY_BLUETOOTH_CYW43 = 1
+set(MICROPY_PY_BLUETOOTH_CYW43 ON)
+
+include(${CMAKE_CURRENT_LIST_DIR}/../common.cmake)
diff --git a/boards/pimoroni_interstate75_duo/mpconfigboard.h b/boards/pimoroni_interstate75_duo/mpconfigboard.h
new file mode 100644
index 0000000..ae6b170
--- /dev/null
+++ b/boards/pimoroni_interstate75_duo/mpconfigboard.h
@@ -0,0 +1,19 @@
+// Board and hardware specific configuration
+#define MICROPY_HW_FLASH_STORAGE_BYTES          (PICO_FLASH_SIZE_BYTES - (2 * 1024 * 1024))
+
+// Set up networking.
+#define MICROPY_PY_NETWORK_HOSTNAME_DEFAULT     "Interstate75Duo"
+
+#define MICROPY_HW_BOARD_NAME                   "Pimoroni Interstate 75 Duo"
+
+// Enable WiFi & PPP
+#define MICROPY_PY_NETWORK                      (1)
+
+// CYW43 driver configuration.
+#define CYW43_USE_SPI                           (1)
+#define CYW43_LWIP                              (1)
+#define CYW43_GPIO                              (0)
+#define CYW43_SPI_PIO                           (1)
+
+int mp_hal_is_pin_reserved(int n);
+#define MICROPY_HW_PIN_RESERVED(i) mp_hal_is_pin_reserved(i)
diff --git a/boards/pimoroni_interstate75_duo/pimoroni_interstate75_duo.h b/boards/pimoroni_interstate75_duo/pimoroni_interstate75_duo.h
new file mode 100644
index 0000000..e320973
--- /dev/null
+++ b/boards/pimoroni_interstate75_duo/pimoroni_interstate75_duo.h
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+// -----------------------------------------------------
+// NOTE: THIS HEADER IS ALSO INCLUDED BY ASSEMBLER SO
+//       SHOULD ONLY CONSIST OF PREPROCESSOR DIRECTIVES
+// -----------------------------------------------------
+
+// This header may be included by other board headers as "boards/pico.h"
+
+// pico_cmake_set PICO_PLATFORM=rp2350
+
+#ifndef _BOARDS_PICO2_H
+#define _BOARDS_PICO2_H
+
+// For board detection
+#define RASPBERRYPI_PICO2
+
+// --- RP2350 VARIANT ---
+// not PICO_RP2350A
+
+// --- UART ---
+#ifndef PICO_DEFAULT_UART
+#define PICO_DEFAULT_UART 0
+#endif
+#ifndef PICO_DEFAULT_UART_TX_PIN
+#define PICO_DEFAULT_UART_TX_PIN 0
+#endif
+#ifndef PICO_DEFAULT_UART_RX_PIN
+#define PICO_DEFAULT_UART_RX_PIN 1
+#endif
+
+// --- LED ---
+#ifndef PICO_DEFAULT_LED_PIN
+#define PICO_DEFAULT_LED_PIN 25
+#endif
+// no PICO_DEFAULT_WS2812_PIN
+
+// --- I2C ---
+#ifndef PICO_DEFAULT_I2C
+#define PICO_DEFAULT_I2C 0
+#endif
+#ifndef PICO_DEFAULT_I2C_SDA_PIN
+#define PICO_DEFAULT_I2C_SDA_PIN 4
+#endif
+#ifndef PICO_DEFAULT_I2C_SCL_PIN
+#define PICO_DEFAULT_I2C_SCL_PIN 5
+#endif
+
+// --- SPI ---
+#ifndef PICO_DEFAULT_SPI
+#define PICO_DEFAULT_SPI 0
+#endif
+#ifndef PICO_DEFAULT_SPI_SCK_PIN
+#define PICO_DEFAULT_SPI_SCK_PIN 18
+#endif
+#ifndef PICO_DEFAULT_SPI_TX_PIN
+#define PICO_DEFAULT_SPI_TX_PIN 19
+#endif
+#ifndef PICO_DEFAULT_SPI_RX_PIN
+#define PICO_DEFAULT_SPI_RX_PIN 16
+#endif
+#ifndef PICO_DEFAULT_SPI_CSN_PIN
+#define PICO_DEFAULT_SPI_CSN_PIN 17
+#endif
+
+// --- FLASH ---
+
+#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1
+
+#ifndef PICO_FLASH_SPI_CLKDIV
+#define PICO_FLASH_SPI_CLKDIV 2
+#endif
+
+// pico_cmake_set_default PICO_FLASH_SIZE_BYTES = (4 * 1024 * 1024)
+#ifndef PICO_FLASH_SIZE_BYTES
+#define PICO_FLASH_SIZE_BYTES (4 * 1024 * 1024)
+#endif
+// Drive high to force power supply into PWM mode (lower ripple on 3V3 at light loads)
+#define PICO_SMPS_MODE_PIN 23
+
+// The GPIO Pin used to read VBUS to determine if the device is battery powered.
+#ifndef PICO_VBUS_PIN
+#define PICO_VBUS_PIN 24
+#endif
+
+// The GPIO Pin used to monitor VSYS. Typically you would use this with ADC.
+// There is an example in adc/read_vsys in pico-examples.
+#ifndef PICO_VSYS_PIN
+#define PICO_VSYS_PIN 29
+#endif
+
+#ifndef PICO_RP2350_A2_SUPPORTED
+#define PICO_RP2350_A2_SUPPORTED 1
+#endif
+
+// PICO_CONFIG: CYW43_PIN_WL_DYNAMIC, flag to indicate if cyw43 SPI pins can be changed at runtime, type=bool, default=false, advanced=true, group=pico_cyw43_driver
+#ifndef CYW43_PIN_WL_DYNAMIC
+#define CYW43_PIN_WL_DYNAMIC 1
+#endif
+
+// PICO_CONFIG: CYW43_DEFAULT_PIN_WL_REG_ON, gpio pin to power up the cyw43 chip, type=int, default=23, advanced=true, group=pico_cyw43_driver
+#ifndef CYW43_DEFAULT_PIN_WL_REG_ON
+#define CYW43_DEFAULT_PIN_WL_REG_ON 23u
+#endif
+
+// PICO_CONFIG: CYW43_DEFAULT_PIN_WL_DATA_OUT, gpio pin for spi data out to the cyw43 chip, type=int, default=24, advanced=true, group=pico_cyw43_driver
+#ifndef CYW43_DEFAULT_PIN_WL_DATA_OUT
+#define CYW43_DEFAULT_PIN_WL_DATA_OUT 24u
+#endif
+
+// PICO_CONFIG: CYW43_DEFAULT_PIN_WL_DATA_IN, gpio pin for spi data in from the cyw43 chip, type=int, default=24, advanced=true, group=pico_cyw43_driver
+#ifndef CYW43_DEFAULT_PIN_WL_DATA_IN
+#define CYW43_DEFAULT_PIN_WL_DATA_IN 24u
+#endif
+
+// PICO_CONFIG: CYW43_DEFAULT_PIN_WL_HOST_WAKE, gpio (irq) pin for the irq line from the cyw43 chip, type=int, default=24, advanced=true, group=pico_cyw43_driver
+#ifndef CYW43_DEFAULT_PIN_WL_HOST_WAKE
+#define CYW43_DEFAULT_PIN_WL_HOST_WAKE 24u
+#endif
+
+// PICO_CONFIG: CYW43_DEFAULT_PIN_WL_CLOCK, gpio pin for the spi clock line to the cyw43 chip, type=int, default=29, advanced=true, group=pico_cyw43_driver
+#ifndef CYW43_DEFAULT_PIN_WL_CLOCK
+#define CYW43_DEFAULT_PIN_WL_CLOCK 29u
+#endif
+
+// PICO_CONFIG: CYW43_DEFAULT_PIN_WL_CS, gpio pin for the spi chip select to the cyw43 chip, type=int, default=25, advanced=true, group=pico_cyw43_driver
+#ifndef CYW43_DEFAULT_PIN_WL_CS
+#define CYW43_DEFAULT_PIN_WL_CS 25u
+#endif
+
+#endif
diff --git a/boards/pimoroni_interstate75_duo/pins.csv b/boards/pimoroni_interstate75_duo/pins.csv
new file mode 100644
index 0000000..24d614a
--- /dev/null
+++ b/boards/pimoroni_interstate75_duo/pins.csv
@@ -0,0 +1,47 @@
+GP0,GPIO0
+GP1,GPIO1
+GP2,GPIO2
+GP3,GPIO3
+GP4,GPIO4
+GP5,GPIO5
+GP6,GPIO6
+GP7,GPIO7
+GP8,GPIO8
+GP9,GPIO9
+GP10,GPIO10
+GP11,GPIO11
+GP12,GPIO12
+GP13,GPIO13
+GP14,GPIO14
+GP15,GPIO15
+GP16,GPIO16
+GP17,GPIO17
+GP18,GPIO18
+GP19,GPIO19
+GP20,GPIO20
+GP21,GPIO21
+GP22,GPIO22
+GP25,GPIO25
+GP26,GPIO26
+GP27,GPIO27
+GP28,GPIO28
+GP29,GPIO29
+GP30,GPIO30
+GP31,GPIO31
+GP32,GPIO32
+GP33,GPIO33
+GP34,GPIO34
+GP35,GPIO35
+GP36,GPIO36
+GP37,GPIO37
+GP38,GPIO38
+GP39,GPIO39
+GP40,GPIO40
+GP41,GPIO41
+GP42,GPIO42
+GP43,GPIO43
+GP44,GPIO44
+GP45,GPIO45
+GP46,GPIO46
+GP47,GPIO47
+LED,GPIO25
\ No newline at end of file
diff --git a/boards/pimoroni_interstate75_duo/usermodules.cmake b/boards/pimoroni_interstate75_duo/usermodules.cmake
new file mode 100644
index 0000000..b4fd6c9
--- /dev/null
+++ b/boards/pimoroni_interstate75_duo/usermodules.cmake
@@ -0,0 +1,3 @@
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/../")
+
+include(usermod-common)
\ No newline at end of file