diff --git a/boards/esp32-c5-devkitc-1.json b/boards/esp32-c5-devkitc-1.json
new file mode 100644
index 000000000..30e9546ca
--- /dev/null
+++ b/boards/esp32-c5-devkitc-1.json
@@ -0,0 +1,37 @@
+{
+  "build": {
+    "arduino":{
+    },
+    "core": "esp32",
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "extra_flags": [
+        "-DBOARD_HAS_PSRAM",
+        "-DARDUINO_ESP32C3_DEV"
+    ],
+    "mcu": "esp32c5",
+    "variant": "esp32c5"
+  },
+  "connectivity": [
+    "wifi",
+    "bluetooth"
+  ],
+  "debug": {
+    "openocd_target": "esp32c5.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "Espressif ESP32-C3-DevKitC-1 v1.2 (ESP32-C5-WROOM-1-N8R4)",
+  "upload": {
+    "flash_size": "8MB",
+    "maximum_ram_size": 393216,
+    "maximum_size": 8388608,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://docs.espressif.com/projects/esp-dev-kits/en/latest/esp32c5/esp32-c5-devkitc-1/user_guide.html",
+  "vendor": "Espressif"
+}
diff --git a/builder/frameworks/_embed_files.py b/builder/frameworks/_embed_files.py
index c89dc4338..5d0d9d206 100644
--- a/builder/frameworks/_embed_files.py
+++ b/builder/frameworks/_embed_files.py
@@ -110,14 +110,14 @@ def transform_to_asm(target, source, env):
                 " ".join(
                     [
                         "riscv32-esp-elf-objcopy"
-                        if mcu in ("esp32c3", "esp32c6")
+                        if mcu in ("esp32c3", "esp32c5", "esp32c6")
                         else "xtensa-%s-elf-objcopy" % mcu,
                         "--input-target",
                         "binary",
                         "--output-target",
-                        "elf32-littleriscv" if mcu in ("esp32c3","esp32c6") else "elf32-xtensa-le",
+                        "elf32-littleriscv" if mcu in ("esp32c3", "esp32c5", "esp32c6") else "elf32-xtensa-le",
                         "--binary-architecture",
-                        "riscv" if mcu in ("esp32c3","esp32c6") else "xtensa",
+                        "riscv" if mcu in ("esp32c3","esp32c5","esp32c6") else "xtensa",
                         "--rename-section",
                         ".data=.rodata.embedded",
                         "$SOURCE",
diff --git a/builder/frameworks/espidf.py b/builder/frameworks/espidf.py
index a939c6889..4fd65a5c2 100644
--- a/builder/frameworks/espidf.py
+++ b/builder/frameworks/espidf.py
@@ -68,7 +68,7 @@
 FRAMEWORK_DIR = platform.get_package_dir("framework-espidf")
 TOOLCHAIN_DIR = platform.get_package_dir(
     "toolchain-riscv32-esp"
-    if mcu in ("esp32c3", "esp32c6")
+    if mcu in ("esp32c3", "esp32c5", "esp32c6")
     else (
         (
             "toolchain-xtensa-esp-elf"
@@ -262,7 +262,7 @@ def populate_idf_env_vars(idf_env):
         os.path.dirname(get_python_exe()),
     ]
 
-    if mcu not in ("esp32c3", "esp32c6"):
+    if mcu not in ("esp32c3", "esp32c5", "esp32c6"):
         additional_packages.append(
             os.path.join(platform.get_package_dir("toolchain-esp32ulp"), "bin"),
         )
@@ -530,7 +530,7 @@ def extract_linker_script_fragments_backup(framework_components_dir, sdk_config)
         sys.stderr.write("Error: Failed to extract paths to linker script fragments\n")
         env.Exit(1)
 
-    if mcu in ("esp32c3", "esp32c6"):
+    if mcu in ("esp32c3", "esp32c5", "esp32c6"):
         result.append(os.path.join(framework_components_dir, "riscv", "linker.lf"))
 
     # Add extra linker fragments
@@ -1736,7 +1736,7 @@ def _skip_prj_source_files(node):
         (
             board.get(
                 "upload.bootloader_offset",
-                "0x0" if mcu in ("esp32c3", "esp32c6", "esp32s3") else "0x1000",
+                "0x0" if mcu in ("esp32c3", "esp32c5", "esp32c6", "esp32s3") else "0x1000",
             ),
             os.path.join("$BUILD_DIR", "bootloader.bin"),
         ),
diff --git a/builder/main.py b/builder/main.py
index 2cb21d1ab..fb7bf6a46 100644
--- a/builder/main.py
+++ b/builder/main.py
@@ -236,7 +236,7 @@ def __fetch_fs_size(target, source, env):
 mcu = board.get("build.mcu", "esp32")
 toolchain_arch = "xtensa-%s" % mcu
 filesystem = board.get("build.filesystem", "spiffs")
-if mcu in ("esp32c3", "esp32c6"):
+if mcu in ("esp32c3", "esp32c5", "esp32c6"):
     toolchain_arch = "riscv32-esp"
 
 if "INTEGRATION_EXTRA_DATA" not in env:
@@ -257,7 +257,7 @@ def __fetch_fs_size(target, source, env):
     GDB=join(
         platform.get_package_dir(
             "tool-riscv32-esp-elf-gdb"
-            if mcu in ("esp32c3", "esp32c6")
+            if mcu in ("esp32c3", "esp32c5", "esp32c6")
             else "tool-xtensa-esp-elf-gdb"
         )
         or "",
diff --git a/platform.py b/platform.py
index f71a4f7fb..10b9a6db3 100644
--- a/platform.py
+++ b/platform.py
@@ -155,7 +155,7 @@ def configure_default_packages(self, variables, targets):
                 else:
                     self.packages.pop("toolchain-xtensa-%s" % available_mcu, None)
 
-        if mcu in ("esp32s2", "esp32s3", "esp32c3", "esp32c6"):
+        if mcu in ("esp32s2", "esp32s3", "esp32c3", "esp32c5", "esp32c6"):
             # RISC-V based toolchain for ESP32C3, ESP32C6 ESP32S2, ESP32S3 ULP
             self.packages["toolchain-riscv32-esp"]["optional"] = False