6 files changed, 80 insertions, 0 deletions
diff --git a/ports/esp32/boards/LOLIN_C3_MINI/board.json b/ports/esp32/boards/LOLIN_C3_MINI/board.json
new file mode 100644
index 000000000..f47c672fa
--- /dev/null
+++ b/ports/esp32/boards/LOLIN_C3_MINI/board.json
@@ -0,0 +1,19 @@
+{
+    "deploy": [
+        "../deploy_c3.md"
+    ],
+    "docs": "",
+    "features": [
+        "BLE",
+        "USB-C",
+        "WiFi"
+    ],
+    "images": [
+        "lolin_c3_mini.jpg"
+    ],
+    "mcu": "esp32c3",
+    "product": "C3 mini",
+    "thumbnail": "",
+    "url": "https://www.wemos.cc/en/latest/c3/c3_mini.html",
+    "vendor": "Wemos"
+}
diff --git a/ports/esp32/boards/LOLIN_C3_MINI/manifest.py b/ports/esp32/boards/LOLIN_C3_MINI/manifest.py
new file mode 100644
index 000000000..f993d4fa6
--- /dev/null
+++ b/ports/esp32/boards/LOLIN_C3_MINI/manifest.py
@@ -0,0 +1,2 @@
+include("$(PORT_DIR)/boards/manifest.py")
+freeze("./modules")
diff --git a/ports/esp32/boards/LOLIN_C3_MINI/modules/c3mini.py b/ports/esp32/boards/LOLIN_C3_MINI/modules/c3mini.py
new file mode 100644
index 000000000..ce167303e
--- /dev/null
+++ b/ports/esp32/boards/LOLIN_C3_MINI/modules/c3mini.py
@@ -0,0 +1,26 @@
+# LOLIN C3 MINI MicroPython Helper Library
+
+from micropython import const
+from machine import Pin
+
+# Pin Assignments
+
+# SPI
+SPI_MOSI = const(4)
+SPI_MISO = const(3)
+SPI_CLK = const(2)
+
+# I2C
+I2C_SDA = const(8)
+I2C_SCL = const(10)
+
+# LED
+LED = const(7)
+
+# BUTTON
+BUTTON = const(0)
+
+# Built-in peripherals
+
+led = Pin(LED, Pin.OUT, value=0)
+button = Pin(BUTTON, Pin.IN, Pin.PULL_UP)
diff --git a/ports/esp32/boards/LOLIN_C3_MINI/mpconfigboard.cmake b/ports/esp32/boards/LOLIN_C3_MINI/mpconfigboard.cmake
new file mode 100644
index 000000000..9fe3b6411
--- /dev/null
+++ b/ports/esp32/boards/LOLIN_C3_MINI/mpconfigboard.cmake
@@ -0,0 +1,11 @@
+set(IDF_TARGET esp32c3)
+
+set(SDKCONFIG_DEFAULTS
+    boards/sdkconfig.base
+    boards/sdkconfig.ble
+    boards/LOLIN_C3_MINI/sdkconfig.board
+)
+
+if(NOT MICROPY_FROZEN_MANIFEST)
+    set(MICROPY_FROZEN_MANIFEST ${MICROPY_BOARD_DIR}/manifest.py)
+endif()
diff --git a/ports/esp32/boards/LOLIN_C3_MINI/mpconfigboard.h b/ports/esp32/boards/LOLIN_C3_MINI/mpconfigboard.h
new file mode 100644
index 000000000..5872bdc8a
--- /dev/null
+++ b/ports/esp32/boards/LOLIN_C3_MINI/mpconfigboard.h
@@ -0,0 +1,13 @@
+#define MICROPY_HW_BOARD_NAME               "LOLIN_C3_MINI"
+#define MICROPY_HW_MCU_NAME                 "ESP32-C3FH4"
+
+#define MICROPY_HW_ENABLE_SDCARD            (0)
+#define MICROPY_PY_MACHINE_DAC              (0)
+#define MICROPY_PY_MACHINE_I2S              (0)
+
+#define MICROPY_HW_I2C0_SCL                 (10)
+#define MICROPY_HW_I2C0_SDA                 (8)
+
+#define MICROPY_HW_SPI1_MOSI                (4)
+#define MICROPY_HW_SPI1_MISO                (3)
+#define MICROPY_HW_SPI1_SCK                 (2)
diff --git a/ports/esp32/boards/LOLIN_C3_MINI/sdkconfig.board b/ports/esp32/boards/LOLIN_C3_MINI/sdkconfig.board
new file mode 100644
index 000000000..f0cbad00e
--- /dev/null
+++ b/ports/esp32/boards/LOLIN_C3_MINI/sdkconfig.board
@@ -0,0 +1,9 @@
+CONFIG_ESP32C3_REV_MIN_3=y
+CONFIG_ESP32C3_REV_MIN=3
+CONFIG_ESP32C3_BROWNOUT_DET=y
+CONFIG_ESP32C3_BROWNOUT_DET_LVL_SEL_7=
+CONFIG_ESP32C3_BROWNOUT_DET_LVL_SEL_4=y
+CONFIG_ESP32C3_BROWNOUT_DET_LVL=4
+CONFIG_ESP_CONSOLE_UART_DEFAULT=
+CONFIG_ESP_CONSOLE_USB_CDC=
+CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG=y