diff --git a/ports/esp32/boards/GENERIC_C3/mpconfigboard.cmake b/ports/esp32/boards/GENERIC_C3/mpconfigboard.cmake
new file mode 100644
index 0000000000..4f31884231
--- /dev/null
+++ b/ports/esp32/boards/GENERIC_C3/mpconfigboard.cmake
@@ -0,0 +1,10 @@
+set(IDF_TARGET esp32c3)
+
+set(SDKCONFIG_DEFAULTS
+    boards/sdkconfig.base
+    boards/sdkconfig.ble
+)
+
+if(NOT MICROPY_FROZEN_MANIFEST)
+    set(MICROPY_FROZEN_MANIFEST ${MICROPY_PORT_DIR}/boards/manifest.py)
+endif()
diff --git a/ports/esp32/boards/GENERIC_C3/mpconfigboard.h b/ports/esp32/boards/GENERIC_C3/mpconfigboard.h
new file mode 100644
index 0000000000..d403e70e46
--- /dev/null
+++ b/ports/esp32/boards/GENERIC_C3/mpconfigboard.h
@@ -0,0 +1,8 @@
+// This configuration is for a generic ESP32C3 board with 4MiB (or more) of flash.
+
+#define MICROPY_HW_BOARD_NAME               "ESP32C3 module"
+#define MICROPY_HW_MCU_NAME                 "ESP32C3"
+
+#define MICROPY_HW_ENABLE_SDCARD            (0)
+#define MICROPY_PY_MACHINE_DAC              (0)
+#define MICROPY_PY_MACHINE_I2S              (0)