diff --git a/.github/workflows/build-rp2040.yml b/.github/workflows/build-rp2040.yml
index a3091bd..5d19cec 100644
--- a/.github/workflows/build-rp2040.yml
+++ b/.github/workflows/build-rp2040.yml
@@ -30,9 +30,15 @@ jobs:
           PICO_BOARD=remapper cmake ..
           make remapper_dual_a
           cd ..
+          mkdir build-feather
+          cd build-feather
+          PICO_BOARD=feather_host cmake ..
+          make remapper
+          cd ..
           mkdir artifacts
           mv build/*.uf2 artifacts
           mv build-boards/remapper_dual_a.uf2 artifacts/remapper_board.uf2
+          mv build-feather/remapper.uf2 artifacts/remapper_feather.uf2
         working-directory: ./firmware
       - uses: actions/upload-artifact@v3
         with:
diff --git a/firmware/CMakeLists.txt b/firmware/CMakeLists.txt
index 4bae9aa..e1620d3 100644
--- a/firmware/CMakeLists.txt
+++ b/firmware/CMakeLists.txt
@@ -79,9 +79,11 @@ add_executable(remapper
     src/interval_override.cc
 )
 
+if(PICO_BOARD STREQUAL "pico")
 target_compile_definitions(remapper PUBLIC PICO_DEFAULT_UART_TX_PIN=16)
 target_compile_definitions(remapper PUBLIC PICO_DEFAULT_UART_RX_PIN=17)
 target_compile_definitions(remapper PUBLIC PIO_USB_DP_PIN=0)
+endif()
 
 target_include_directories(remapper PRIVATE
     src
diff --git a/firmware/src/boards/feather_host.h b/firmware/src/boards/feather_host.h
new file mode 100644
index 0000000..7513c7e
--- /dev/null
+++ b/firmware/src/boards/feather_host.h
@@ -0,0 +1,60 @@
+// -----------------------------------------------------
+// NOTE: THIS HEADER IS ALSO INCLUDED BY ASSEMBLER SO
+//       SHOULD ONLY CONSIST OF PREPROCESSOR DIRECTIVES
+// -----------------------------------------------------
+
+#ifndef _BOARDS_FEATHER_HOST_H
+#define _BOARDS_FEATHER_HOST_H
+
+#define FEATHER_HOST_BOARD
+
+// On some samples, the xosc can take longer to stabilize than is usual
+#ifndef PICO_XOSC_STARTUP_DELAY_MULTIPLIER
+#define PICO_XOSC_STARTUP_DELAY_MULTIPLIER 64
+#endif
+
+//------------- 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 13
+#endif
+
+#ifndef PICO_DEFAULT_WS2812_PIN
+#define PICO_DEFAULT_WS2812_PIN 21
+#endif
+
+// --- FLASH ---
+
+#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1
+
+#ifndef PICO_FLASH_SPI_CLKDIV
+#define PICO_FLASH_SPI_CLKDIV 2
+#endif
+
+#ifndef PICO_FLASH_SIZE_BYTES
+#define PICO_FLASH_SIZE_BYTES (8 * 1024 * 1024)
+#endif
+
+#ifndef PICO_RP2040_B0_SUPPORTED
+#define PICO_RP2040_B0_SUPPORTED 0
+#endif
+
+// --- PIO USB ---
+
+#ifndef PIO_USB_DP_PIN
+#define PIO_USB_DP_PIN 16
+#endif
+
+#endif