diff --git a/README.md b/README.md
index 7013014..82d8a48 100644
--- a/README.md
+++ b/README.md
@@ -122,6 +122,20 @@ Implemented interfaces:
 
 </details>
 
+### Adafruit Feather ThinkInk RP2040
+<details>
+
+Implemented interfaces:
+ - GPIO
+ - ADC
+ - PWM
+ - UART0
+ - I2C0 & I2C1
+ - SPI0 & SPI1
+ - WS2812B
+
+</details>
+
 ### Adafruit Qt Py RP2040
 <details>
 
diff --git a/firmware/README.md b/firmware/README.md
index 56007d0..c614686 100644
--- a/firmware/README.md
+++ b/firmware/README.md
@@ -33,6 +33,8 @@ SUBSYSTEM=="usb", ATTR{idVendor}=="239a", ATTR{idProduct}=="00f7", MODE="0666"
 KERNEL=="hidraw*", ATTRS{idVendor}=="cafe", ATTRS{idProduct}=="4005", TAG+="uaccess", GROUP="plugdev", MODE="0660"
 # Adafruit Feather
 KERNEL=="hidraw*", ATTRS{idVendor}=="239a", ATTRS{idProduct}=="00f1", TAG+="uaccess", GROUP="plugdev", MODE="0660"
+# Adafruit Feather ThinkInk
+KERNEL=="hidraw*", ATTRS{idVendor}=="239a", ATTRS{idProduct}=="812C", TAG+="uaccess", GROUP="plugdev", MODE="0660"
 # Adafruit ItsyBitsy
 KERNEL=="hidraw*", ATTRS{idVendor}=="239a", ATTRS{idProduct}=="00fd", TAG+="uaccess", GROUP="plugdev", MODE="0660"
 # Adafruit QT2040 Trinkey
@@ -64,6 +66,7 @@ The firmware to upload to Pico is u2if/firmware/source/build/u2if.uf2
 Compatible board can be:
  - PICO
  - FEATHER
+ - FEATHER_EPD
  - ITSYBITSY 
  - QTPY
  - QT2040_TRINKEY
diff --git a/firmware/build-all.sh b/firmware/build-all.sh
index 9dc0864..6e6747c 100755
--- a/firmware/build-all.sh
+++ b/firmware/build-all.sh
@@ -30,4 +30,5 @@ build feather FEATHER 0 0 1000 0
 build itsybitsy ITSYBITSY 0 0 1000 0
 build qtpy QTPY 0 0 1000 0
 build qt2040_trinkey QT2040_TRINKEY 0 0 1000 0
+build feather_epd FEATHER_EPD 0 1 1 0
 
diff --git a/firmware/source/CMakeLists.txt b/firmware/source/CMakeLists.txt
index f6219bb..a6805a9 100644
--- a/firmware/source/CMakeLists.txt
+++ b/firmware/source/CMakeLists.txt
@@ -14,7 +14,7 @@ pico_sdk_init()
 
 
 set(BOARD "PICO" CACHE STRING "BaseName chosen by the user at CMake configure time")
-set_property(CACHE BOARD PROPERTY STRINGS PICO FEATHER ITSYBITSY QTPY QT2040_TRINKEY)
+set_property(CACHE BOARD PROPERTY STRINGS PICO FEATHER FEATHER_EPD ITSYBITSY QTPY QT2040_TRINKEY)
 message(STATUS "Selected board:'${BOARD}'")
 
 # might help for feather?
diff --git a/firmware/source/board_config.h.in b/firmware/source/board_config.h.in
index ed450d2..1b3cf46 100644
--- a/firmware/source/board_config.h.in
+++ b/firmware/source/board_config.h.in
@@ -13,6 +13,7 @@
 #define ITSYBITSY       3
 #define QTPY            4
 #define QT2040_TRINKEY  5
+#define FEATHER_EPD		6
 
 #define BOARD ${BOARD}
 
@@ -131,6 +132,33 @@
   #define U2IF_UART0_TX 1
   #define U2IF_UART0_RX 2
 
+//---------------------------------------------------------
+// Feather ThinkInk
+//---------------------------------------------------------
+#elif BOARD == FEATHER_EPD
+  // I2C0
+  #define I2C0_ENABLED 1
+  #define U2IF_I2C0_SDA 4
+  #define U2IF_I2C0_SCL 5
+  // I2C1
+  #define I2C1_ENABLED 1
+  #define U2IF_I2C1_SDA 2
+  #define U2IF_I2C1_SCL 3
+  // SPI0
+  #define SPI0_ENABLED 1
+  #define U2IF_SPI0_CK 22
+  #define U2IF_SPI0_MOSI 23
+  #define U2IF_SPI0_MISO 99
+  // SPI1
+  #define SPI1_ENABLED 1
+  #define U2IF_SPI1_CK 14
+  #define U2IF_SPI1_MOSI 15
+  #define U2IF_SPI1_MISO 8
+  // UART0
+  #define UART0_ENABLED 1
+  #define U2IF_UART0_TX 0
+  #define U2IF_UART0_RX 1
+
 //---------------------------------------------------------
 // Pico (default)
 //---------------------------------------------------------
diff --git a/firmware/source/usb_descriptors.c b/firmware/source/usb_descriptors.c
index ffcb772..77dbfa6 100644
--- a/firmware/source/usb_descriptors.c
+++ b/firmware/source/usb_descriptors.c
@@ -44,6 +44,11 @@
   #define USB_PRD "Feather RP2040 U2IF"
   #define USB_VID 0x239A
   #define USB_PID 0x00F1
+#elif BOARD == FEATHER_EPD
+  #define USB_MFG "Adafruit"
+  #define USB_PRD "Feather RP2040 ThinkInk U2IF"
+  #define USB_VID 0x239A
+  #define USB_PID 0x812C
 #elif BOARD == ITSYBITSY
   #define USB_MFG "Adafruit"
   #define USB_PRD "ItsyBitsy RP2040 U2IF"
diff --git a/source/machine/u2if.py b/source/machine/u2if.py
index 7344050..8161fd5 100644
--- a/source/machine/u2if.py
+++ b/source/machine/u2if.py
@@ -8,6 +8,7 @@
     # (VID, PID)
     (0xcafe, 0x4005),  # pico
     (0x239a, 0x00f1),  # Adafruit Feather
+    (0x239a, 0x812C),  # Adafruit Feather ThinkInk
     (0x239a, 0x00fd),  # Adafruit ItsyBitsy
     (0x239a, 0x0109),  # Adafruit QT2040 Trinket
     (0x239a, 0x00f7),  # Adafruit QTPY