diff --git a/ports/atmel-samd/boards/adafruit_sht4x_trinkey_m0/pins.c b/ports/atmel-samd/boards/adafruit_sht4x_trinkey_m0/pins.c
new file mode 100644
index 0000000000000..644a081a4eb23
--- /dev/null
+++ b/ports/atmel-samd/boards/adafruit_sht4x_trinkey_m0/pins.c
@@ -0,0 +1,14 @@
+#include "shared-bindings/board/__init__.h"
+
+STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
+    CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
+
+    { MP_ROM_QSTR(MP_QSTR_TOUCH), MP_ROM_PTR(&pin_PA07) },
+
+    { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_PA03) },
+    { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_PA04) },
+    { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_PA05) },
+
+    { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);